Hydraulic Honed Tube with Stress Relieved Condition After Cold Drawing

Product Description

Factory Introduction

INTRODUCTION OF COMPANY - A LEADING SUPPLIER OF HYDRAULIC CYLINDER HONED TUBES IN CHINA

At East Ai Machinery Co., Limited, we proudly stand as the pinnacle of excellence, establishing ourselves as the premier supplier and manufacturer of hydraulic honed tubes in China. Strategically located in the bustling industrial hub of Wuxi, Jiangsu, we are the epitome of quality and reliability. For nearly three illustrious decades, our factory has been at the forefront of innovation, expertly producing and supplying an extensive range of honed tubes (honed pipes) in a variety of dimensions. These premium products are meticulously crafted from top-tier materials such as SAE1020, ST52, SAE1045, 4140, and the finest stainless steels, ensuring unparalleled durability and performance.

 

Spanning an expansive area of 20,000 square meters, our cutting-edge facility houses specialized factories dedicated to the production of hydraulic cylinder honed tubes, hard chrome plated shafts, and chrome plated OD tubing. Our dynamic team of approximately 180 highly skilled professionals includes 20 experts solely focused on ensuring quality and fostering technological advancements.

 

OUR DISTINCTIVE ADVANTAGES

 

* Extensive Manufacturing Experience: With an impressive legacy spanning nearly 15 years, our factory emerges as a leader in the production of honed cylinder tubes (honed ID tubing), delivering unmatched expertise and craftsmanship.
* Cutting-Edge Manufacturing Infrastructure: Our facility, brimming with state-of-the-art machinery, including cold drawing, cold rolling, honing, skiving & roller burnishing, straightening, polishing, and grinding machines, is complemented by advanced heat treatment furnaces and precision cutting tools. The equipment is meticulously maintained by adept engineers, ensuring peak operational efficiency and precision.
* Superior Quality Raw Materials: Our honed cylinder tubes are crafted from high-grade raw materials, sourced from esteemed steel producers in China such as TPCO, SHA STEEL, and BAO STEEL. This guarantees our products are of exceptional quality, setting a standard that is second to none.
* High-Precision Manufacturing: Our honed tubes boast unrivaled dimensional precision, adhering meticulously to ISO standards H7, H8, H9, or H10. Tailored to size and aligned with specific customer requirements, they assure precise and reliable hydraulic cylinder performance, meeting the most stringent demands.
* Secure Packaging Solutions: Each honed pipe undergoes a comprehensive anti-rust oil treatment before delivery. Tube ends are securely safeguarded by plastic or steel caps per customer preferences, then encased in seaworthy packaging, such as wooden crates or durable plastic bags, to ensure safe and intact delivery.
To maintain the pristine surface of the honed ID tubing, we cap the tube ends with plastic end caps, or, upon customer request, weld a steel cap to protect the inner diameter during loading and unloading. Subsequently, the honed pipes are meticulously packaged in seaworthy materials, such as robust wooden cases or protective plastic bags, ensuring their safe transit.
* Rigorous Quality Control: Our dedicated quality control team, consisting of over 10 highly proficient experts, conducts meticulous inspections of each honed cylinder tube. Adhering to stringent standards and specific customer requirements, our rigorous tests include Chemical Analysis, Tensile Testing, Dimension Checks, Roughness and Chrome Plating Thickness Tests, among others, guaranteeing the highest quality and performance.
* Comprehensive Quality Management System: Our Total Quality Management System diligently oversees all aspects related to product quality, ensuring unparalleled excellence in every process and product facet, from development to delivery.

 

Our honed cylinder tubes enjoy global acclaim, serving a multitude of hydraulic cylinder applications across various machinery and industries. Our esteemed clientele stretches across continents, including the USA, Canada, Mexico, Colombia, Saudi Arabia, UAE, South Africa, Russia, and many more, reinforcing our exceptional reputation and trustworthiness both domestically and internationally.

Product Description

HONED TUBE / HYDRAULIC CYLINDER TUBE BRIEF INTRODUCTION

Renowned and highly sought after across countless industries, the honed tube is the embodiment of supreme quality and unwavering reliability. Universally celebrated as the ultimate hydraulic cylinder tube, its precision-honed interior surface eliminates the need for any additional ID finishing, making it the quintessential solution for seamless implementation in hydraulic cylinder applications. As the foundational material in the creation of hydraulic cylinders, its exceptional interior diameter precision has rightfully earned it the esteemed title of 'honed ID tubing.'

 

With an impressive legacy spanning nearly 15 years of unparalleled expertise, our factory remains passionately dedicated to the production and distribution of superior honed tubes and hydraulic cylinder tubes. Below, we delve into the extraordinary features that distinguish our honed tubes, setting the ultimate benchmark for quality and performance within the industry.

 

OVERVIEW OF OUR HONED TUBES

PRODUCT NAME: HONED TUBE

ALSO KNOWN AS PRODUCT NAME: HONED TUBING / CYLINDER TUBE / CYLINDER TUBING / HONED CYLINDER TUBE / HYDRAULIC CYLINDER TUBING / HONED ID TUBING

Crafted from our exclusive cold drawn seamless tube, the honed tube designed for hydraulic cylinders undergoes a meticulous honing or Skiving & Roller Burnishing process, ensuring unmatched quality and structural integrity. Roller Burnishing process.

 

PRODUCT STANDARD:

Our honed hydraulic cylinder tubes are meticulously engineered in compliance with stringent industry standards, such as ASTM A513, DIN 2391, DIN 1630, DIN 1629, EN10305-1, EN 10216-2, A 519, among others, offering expert customization to cater to specific customer needs.

 

SIZE RANGE:

Embracing versatility and adaptability, we present an expansive array of honed tubes available in both metric and imperial dimensions, with sizes ranging from I.D 30 mm to I.D 500 mm (1.5″ - 20″) and wall thicknesses extending from 3 mm to 50 mm (1/8″ - 2″).

 

STEEL GRADES:

At EASTAI, we pride ourselves in producing honed tubes in an extensive selection of premium quality carbon steel and stainless steel grades, ensuring unparalleled performance in various applications.

 

CARBON STEEL HYDRAULIC CYLINDER TUBING IS AVAILABLE WITH GRADES AS BELOW:

* SAE 1020
* SAE 1026
* SAE1030/1035
* E355, E255, E215, E235
* ST52.3, St35, ST 52.4, St 37.4

 

STAINLESS STEEL HONED TUBE CAN BE SUPPLIED IN GRADES AS BELOW:

* TP 304 / 304L
* TP316 / 316L
* TP 316Ti

Additional steel grades for honed tubes or pipes can be precisely crafted to meet bespoke customer specifications.

 

ADVANTAGES OF EASTAI'S HONED TUBE

* High precision tolerances;
Our honed tubes are meticulously crafted to achieve exceptional interior diameter tolerances such as H7, H8, H9, and beyond, offering full customization to meet the unique and specific requirements of our diverse clientele.
* Seamless tube with high pressure resistance;
Harness the remarkable resilience of our seamless cold drawn tubes, as our honed pipes deliver extraordinary endurance under elevated pressures. This ensures unmatched reliability and safety within hydraulic cylinder applications, establishing a new standard of performance excellence.
* High Smooth Inside Surface: Dive into the exquisite elegance of our interior surfaces. Meticulously crafted for superior performance, our surfaces redefine excellence, offering an unparalleled experience in hydraulic applications.
Our unwavering dedication to quality shines through in the pristine finish we offer. Achieving an impressive maximum roughness of Ra 0.4 microns ID finish (16Max Ra ID Finish), our honed pipes epitomize unmatched excellence. This meticulous attention to detail ensures a product that stands out in both quality and precision.
* Flexible Order Quantity: Embrace the freedom of flexibility with East Ai Machinery Co., Limited. Whether you need a single high-quality honed pipe or a large order for hydraulic cylinder tubing, we are committed to meeting your needs. Our mission is to deliver exactly what you require to drive your success.
* Exceptional Weldability: Our expertly engineered honed steel tubing provides unparalleled weldability, ensuring each weld is strong, durable, and reliable. This makes it the top choice for artisans focused on quality craftsmanship.
cylinders, ensuring seamless integration and delivering superior performance with every application.

 

MAJOR APPLICATIONS OF HYDRAULIC HONED TUBING

Pioneering the forefront of innovation, honed tubing and SRB tubes (skived and roller burnished tubes) are vital for cylinder tubes in hydraulic and pneumatic systems. They are crucial in the manufacturing and repair industries, ensuring robust, trustworthy, and enduring performance in hydraulic and pneumatic cylinders.

Celebrated for their precise dimensional accuracy and exceptional surface smoothness, honed tubing represents the pinnacle of precision engineering. Ideal for applications demanding precision or superior surface finish, our tubes excel across fields from Precision Mechanical Tubes and Honed Cylinder Tubing to Hydraulic Cylinders. Furthermore, they are indispensable for Construction Use Multi Joint Tubes, Steel Axis Pipes, Injection Machines, the advanced movements of Robotic Arms, and other sophisticated applications.

Size List

EASTAI proudly unveils a vast selection of honed hydraulic cylinder tubes, masterfully crafted to encompass an extensive range of metric and imperial sizes. These remarkable products are meticulously engineered to adapt flawlessly to any conceivable application, ensuring versatility and top-notch performance across a multitude of industries.

* Metric size honed tubes: Our tubes feature expertly engineered diameters from an I.D 30 mm to an impressive I.D 800 mm, with wall thicknesses varying from 3 - 50 mm. This delivers exceptional precision to satisfy the diverse and intricate demands of the industrial sector.
* Imperial size honed tubes / inch size honed pipe: Immerse yourself in the precision of honed inner diameters ranging from a neat 1.5" ID to a commanding 30.0" Honed ID, complemented by wall thickness choices from 1/8" to 2". This ensures impeccable accuracy and unwavering reliability for your pivotal projects.
* Length: Our honed tubes, available in both metric and imperial sizes, are offered in random or fixed lengths reaching an extraordinary 14 meters, skillfully catering to a wide range of project requirements with poise.

Our tailored metric honed tubing is meticulously designed to offer flexible and bespoke solutions that align seamlessly with your distinctive project specifications.

As a leading China-based manufacturer and esteemed supplier, our factory focuses on producing an extensive range of precision-engineered imperial-sized honed tubings, underscoring our dedication to excellence and expertise.

HERE BELOW IS THE DETAILED CHART OF METRIC HONED TUBING
STANDARD SIZES AND IMPERIAL HONED TUBE STANDARD SIZES, crafted with meticulous precision to meet the industry's highest standards with exceptional accuracy.

 

METRIC HONED CYLINDER TUBE SIZES, artfully designed for the most demanding applications that demand extraordinary precision.

Inside diameter	Outside Diameter	Wall thickness	Length
mm	mm	mm	m
32	40	4	6
35	45	5	6
40	50	5	6
50	60	5	6
55	65	5	6
60	70	5	6
60	75	7.5	6
60	80	10	6
63	75	6	6
63	78	7.5	6
65	75	5	6
65	80	7.5	6
70	80	5	6
70	85	7.5	6
70	90	10	6
75	90	7.5	6
75	95	10	6
80	90	5	6
80	95	7.5	6
80	100	10	6
85	100	7.5	6
90	105	7.5	6
100	115	7.5	6
100	120	10	6
100	125	12.5	6
110	125	7.5	6
110	130	10	6
115	130	7.5	6
120	140	10	6
120	145	12.5	6
120	150	15	6
125	145	10	6
125	150	12.5	6
130	150	10	6
140	160	10	6
140	165	12.5	6
140	170	15	6
145	170	12.5	6
145	175	15	6
150	170	10	6
150	180	15	6
160	180	10	6
160	185	12.5	6
160	190	15	6
160	200	20	6
180	200	10	6
180	210	15	6
180	220	20	6
200	220	10	6
200	230	15	6
200	245	22.5	6
250	300	25	6

IMPERIAL HONED CYLINDER TUBING SIZES, constructed with superior engineering for exceptional performance across a wide range of applications.

Inside Diameter	Outside Diameter	Wall Thickness	Weight / Foot
(Inch)	(Inch)	(Inch)	(Lbs.)
1	1.5	0.25	3.337
1.125	1.5	0.188	2.634
1.25	1.625	0.188	2.885
1.375	1.75	0.188	3.136
1.5	1.75	0.125	2.169
1.5	1.875	0.188	3.379
1.5	2	0.25	4.673
1.625	2	0.188	3.63
1.75	2	0.125	2.503
1.75	2.125	0.188	3.88
1.75	2.25	0.25	5.34
1.875	2.25	0.188	4.13
2	2.375	0.188	4.38
2	2.5	0.25	6.008
2	2.75	0.375	9.512
2	3	0.5	13.35
2.125	2.5	0.188	4.631
2.125	2.75	0.313	8.135
2.25	2.5	0.125	3.171
2.25	2.625	0.188	4.881
2.25	2.75	0.25	6.675
2.25	3	0.375	10.513
2.25	3.25	0.5	14.685
2.375	2.5	0.063	1.627
2.375	2.75	0.188	5.131
2.5	2.75	0.125	3.504
2.5	2.875	0.188	5.382
2.5	3	0.25	7.343
2.5	3.125	0.313	9.387
2.5	3.25	0.375	11.514
2.5	3.5	0.5	16.02
2.75	3.125	0.188	5.882
2.75	3.25	0.25	8.01
2.75	3.5	0.375	12.516
2.75	3.625	0.438	14.894
2.875	3.5	0.313	10.638
2.875	4	0.563	20.651
3	3.25	0.125	4.172
3	3.375	0.188	6.383
3	3.5	0.25	8.678
3	3.625	0.313	11.055
3	3.75	0.375	13.517
3	4	0.5	18.69
3	4.500*	0.75	30.038
3.25	3.5	0.125	4.506
3.25	3.625	0.188	6.884
3.25	3.75	0.25	9.345
3.25	3.875	0.313	11.89
3.25	4	0.375	14.518
3.25	4.25	0.5	20.025
3.5	3.75	0.125	4.839
3.5	3.875	0.188	7.384
3.5	4	0.25	10.013
3.5	4.125	0.313	12.724
3.5	4.25	0.375	15.519
3.5	4.5	0.5	21.36
3.5	4.75	0.625	27.534
3.625	4	0.188	7.653
3.75	4	0.125	5.173
3.75	4.25	0.25	10.68
3.75	4.5	0.375	16.521
4	4.375	0.188	8.385
4	4.5	0.25	11.348
4	4.625	0.313	14.393
4	4.75	0.375	17.522
4	5	0.5	24.03
4	5.25	0.625	30.872
4	5.750*	0.875	45.557
4.25	4.75	0.25	12.015
4.25	5	0.375	18.523
4.5	5	0.25	12.683
4.5	5.125	0.313	16.062
4.5	5.25	0.375	19.524
4.5	5.5	0.5	26.7
4.75	5.25	0.25	13.35
4.75	5.5	0.375	20.526
5	5.25	0.125	6.842
5	5.5	0.25	14.018
5	5.625	0.313	17.73
5	5.75	0.375	21.527
5	6	0.5	29.37
5	6.25	0.625	37.547
5.25	5.75	0.25	14.685
5.25	6	0.375	22.528
5.25	6.25	0.5	30.705
5.5	6	0.25	15.353
5.5	6.25	0.375	23.529
5.5	6.5	0.5	32.04
5.5	7.000*	0.75	50.063
5.75	6.5	0.375	24.531
5.75	6.75	0.5	33.375
6	6.25	0.125	8.177
6	6.375	0.188	12.39
6	6.5	0.25	16.688
6	6.625	0.313	21.068
6	6.75	0.375	25.532
6	7	0.5	34.71
6	7.25	0.625	44.222
6	7.500*	0.75	54.068
6	8.000*	1	74.76
6.25	6.75	0.25	17.355
6.25	7	0.375	26.533
6.25	7.25	0.5	36.045
6.5	7	0.25	18.023
6.5	7.25	0.375	27.534
6.5	7.5	0.5	37.38
6.5	7.75	0.625	47.559
6.5	8.000*	0.75	58.073
6.75	7.5	0.375	28.536
7	7.5	0.25	19.358
7	7.75	0.375	29.537
7	8	0.5	40.05
7	8.25	0.625	50.897
7	8.500*	0.75	62.078
7	9.000*	1	85.44
7.25	8	0.375	30.538
7.25	8.25	0.5	41.385
7.25	8.750*	0.75	64.08
7.5	8	0.25	20.693
7.5	8.25	0.375	31.539
7.5	8.5	0.5	42.72
7.5	9.000*	0.75	66.083
7.75	8.5	0.375	32.541
8	8.5	0.25	22.028
8	8.75	0.375	33.542
8	9	0.5	45.39
8	9.25	0.625	57.572
8	9.500*	0.75	70.088
8	10.000*	1	96.12
8.25	9	0.375	34.543
8.25	9.25	0.5	46.725
8.5	9	0.25	23.363
8.5	9.5	0.5	48.06
8.5	10.000*	0.75	74.093
8.75	9.75	0.5	49.395
9	10	0.5	50.73
9	10.25	0.625	64.247
9	10.500*	0.75	78.098
9.25	10	0.375	38.548
9.25	10.25	0.5	52.065
9.25	10.5	0.625	65.916
9.75	10.5	0.375	40.551
10	10.75	0.375	41.552
10	11	0.5	56.07
10	11.500*	0.75	86.108
10	11.750*	0.875	101.627
10	12.000*	1	117.48
10.5	12.000*	0.75	90.113
11	12	0.5	61.41
12	14.000*	1	138.84
14	16.000*	1	160.2

As a pioneering supplier of hydraulic cylinder honed tubes, we expertly employ 'Suitable To Hone' Steel Cold Drawn Seamless Tubes (CDS tubes). Our advanced honing process, using abrasive polishing stones and paper, ensures extraordinary ID precision and a flawlessly smooth surface finish.

 

Beyond honing, we apply the cutting-edge SRB process (skiving and roller burnishing) to create honed tubing of unparalleled quality, significantly boosting performance.

Our honed tubes are ingeniously engineered for rapid deployment, whether for manufacturing or repair, effectively eliminating any need for additional ID processing.
This innovation considerably amplifies your operational efficiency and productivity.

HOW TO PURCHASE HYDRAULIC CYLINDER TUBE FROM US?

As a leading authority in the manufacture and supply of hydraulic cylinder honed tubes in China, we deliver not only superior products but also comprehensive technical support. Connect with us through the provided channels for detailed information and expert guidance.

 

Specification

MAIN SPECIFICATIONS OF OUR HYDRAULIC CYLINDER TUBING

Elevate your hydraulic system's capabilities with our honed cylinder tubing, designed for unparalleled excellence. Our tubes offer an extraordinarily smooth inner diameter with a surface roughness of Ra 0.2μm (RA8) to 0.4μm (RA16), ensuring not only exceptional operational efficiency but also a seamless, unobstructed fluid flow, enhancing your system's performance.

Explore the remarkable chemical composition and steadfast mechanical properties that form the backbone of our honed cylinder tubes. These high-grade steel tubes embody extraordinary durability and steadfast reliability, crafted to excel in the harshest applications, showcasing our commitment to product excellence.

Grade	Chemistry	%	Yield	Tensile	Elongation	Typical Hardness
			PSI	PSI	% in 2″ section	Min
1020	Carbon	0.150 - 0.200	60,000	70,000	10	B-75
	Mn	0.300 - 0.600
	P	0.035 Max
	S	0.035 Max
ST52.3	Carbon	0.140 - 0.180	75,000	85,000	15	B-80
	Si	0.150 - 0.300
	Mn	1.200 - 1.400
	P	0.020 max
	S	0.010 max

Our diverse range of steel grades is crafted to meet a wide array of application needs. We go beyond the standard offerings with customizable specifications tailored precisely to your unique requirements, ensuring perfect compatibility with even the most stringent demands.

Tolerance

HONED TUBING TOLERANCE STANDARD (METRIC SIZE)

Our meticulously crafted honed ID tubing showcases an exquisite array of ID tolerance specifications, ranging from H7, H8, H9, H10, to H11. These precision-engineered tolerances are thoughtfully designed to fulfill the distinct needs of our esteemed clientele, ensuring that each dimension resonates perfectly with the unrivaled standards of our products. Below, you will discover a comprehensive and expertly curated list detailing the precision Inside Diameter (ID) tolerance values that we offer with immense pride.

Inner Diameter	Inner Diameter Tolerance					Honed Tube Wall Thickness Tolerance
	H7	H8	H9	H10	H11
30	+ 0.021 0	+ 0.033 0	+ 0.052 0	+ 0.084 0	+ 0.130 0	±5%
> 30-50	+ 0.025 0	+ 0.039 0	+ 0.062 0	+ 0.100 0	+ 0.160 0
> 50-80	+ 0.030 0	+ 0.046 0	+ 0.074 0	+ 0.120 0	+ 0.190 0
> 80-120	+ 0.035 0	+ 0.054 0	+ 0.087 0	+ 0.140 0	+ 0.220 0
> 120-180	+ 0.040 0	+ 0.063 0	+ 0.100 0	+ 0.160 0	+ 0.250 0
> 180-250	+ 0.046 0	+ 0.072 0	+ 0.115 0	+ 0.185 0	+ 0.290 0
> 250-315	+ 0.052 0	+ 0.081 0	+ 0.130 0	+ 0.210 0	+ 0.320 0
> 315-400	+ 0.057 0	+ 0.089 0	+ 0.140 0	+ 0.230 0	+ 0.360 0

Outside Diameter Tolerance:

Our premium honed steel tubing stands as a beacon of excellence, meeting and exceeding the highest industry standards for outside diameter (O.D) tolerance. We adhere to renowned benchmarks such as DIN2391, DIN1629, DIN 1630, ASTM A513, A519, and more. Furthermore, we are passionately committed to offering adaptability through bespoke adjustments, catering to the specific requirements of our valued customers.

Materials

Our factory is renowned for supplying an extraordinary range of honed tubes: honed cylinder tubes and hydraulic cylinder tubes, crafted from an array of premium materials.

Crafted with unparalleled precision, hydraulic cylinder tubes, also known as honed tubes, are meticulously manufactured from cold drawn seamless or DOM tubes. As the essential core of hydraulic cylinder structures, these indispensable tubes, often referred to as hydraulic cylinder barrels, form the backbone of resilient machinery. With a diverse selection of steel grades, we proudly present our most sought-after materials, ideal for creating these vital components.

* Carbon steel ST52, ST52.3,
* Carbon steel E355
* Steel SAE 4140: also known as 42CrMo
* Steel 27SiMn
* Carbon steel SAE 1020, Chinese 20#, C20
* Stainless steel 304
* Stainless steel 316

At East Ai, we take immense pride in being the leading manufacturer and supplier of honed tubes specifically engineered for cylinders. Our state-of-the-art facility is devoted to producing honed cylinder tubes from these high-grade materials, ensuring exceptional quality and reliability.

 

1. Honed cylinder tubes meticulously crafted from the versatile material ST52 /ST52.3, ensuring unparalleled quality.
2. Exceptionally honed tubes expertly crafted from the high-grade material E355, offering superior performance.
3. Premium quality honed cylinder tubes made from material SAE 1020, providing an extraordinary standard of durability.
4. Resilient SAE 4140 hydraulic cylinder barrel tubes, representing the pinnacle of durability and performance.
5. 27SiMn honed tubes, epitomizing strength and enduring performance in demanding applications.
6. Precision-engineered 20MnV6 hydraulic cylinder tubes, crafted for ultimate precision and performance.
7. Stainless steel honed tubes, where exquisite design meets superior functionality for advanced applications.

 

Hydraulic Cylinder Tube of Material ST52 /ST52.3

ST52 honed cylinder tubes, meticulously crafted from steel grade ST52 in strict adherence to DIN 2391 standards, represent the pinnacle of high-quality manufacturing. Comparable to St52.3, these tubes, often referred to as cold drawn seamless honed tubes according to DIN 2391 /ST52-BKS, undergo stress-relieved heat treatment to enhance their robustness. Discover the exceptional specifications of steel ST52 below.

Grade	Chemistry	%	Yield	Tensile	Elongation	Typical Hardness
			min. Mpa	min. Mpa	% in 2″ section	Min
ST52.3	Carbon	0.140 - 0.180	420	580	15	B-80
	Si	0.150 - 0.300
	Mn	1.200 - 1.400
	P	0.020 max
	S	0.010 max

Honed Tubes of Material E355

 

E355 honed tubes, marvels of contemporary engineering, are crafted from premium steel grade E355 following the demanding EN 10305-1 standards. Sharing remarkable similarities with ST52 / St52.3, they are classified as cold drawn seamless honed tubes, meeting the rigorous criteria of EN10305-1 /E355 +SR. The +SR standard signifies a stress-relieved heat treatment, significantly boosting their performance and durability.

Below are the detailed specifications for the distinguished steel E355, showcasing its superior qualities.

Grade	Chemistry	%	Yield	Tensile	Elongation	Typical Hardness
			min. Mpa	min. Mpa	% in 2″ section	Min
E355	Carbon	0.140 - 0.180	420	580	15	B-80
	Si	0.150 - 0.300
	Mn	1.200 - 1.400
	P	0.020 max
	S	0.010 max

Materials ST52 /ST52.3 and E355 are extensively utilized in the manufacturing of hard chrome plated hollow bars, renowned as chrome plated OD tubes, catering to a multitude of industrial applications.

 

Hydraulic Cylinder Tube of Material SAE 1020

SAE 1020 cylinder tubes are honed tubes expertly crafted from steel grade SAE 1020, conforming to the Chinese steel grade 20#. With its lower hardness and tensile strength, SAE 1020 carbon steel presents an economical yet versatile alternative to ST52 honed pipes, rendering it adaptable for a wide array of applications.

Grade	Chemistry	%	Yield	Tensile	Elongation	Typical Hardness
			Min. Mpa	Min. Mpa	% in 2″ section	Min
1020	Carbon	0.150 - 0.200	375	485	15	B-75
	Mn	0.300 - 0.600
	P	0.035 Max
	S	0.035 Max

SAE 4140 Hydraulic Cylinder Barrel Tube

Introducing our magnificent SAE 4140 honed tubes - the epitome of engineering excellence and steadfast endurance. These premium cold-drawn seamless honed tubes are meticulously crafted from the illustrious steel grade SAE4140, celebrated globally for its extraordinary properties. Tailored for the most stringent and robust applications, these 4140 honed hydraulic cylinder barrel tubes are engineered with precision to withstand immense pressure and deliver outstanding heavy-duty performance. With superior tensile and yield strength, SAE 4140 epitomizes durability and resilience at its finest. Equally comparable to the prestigious German steel grade 42CrMo, these tubes set the international standard for unparalleled strength and reliability.

 

DELVE INTO THE COMPLEX CHEMICAL COMPOSITION OF THE REMARKABLE 4140 MATERIAL. UNVEIL THE SECRETS THAT GRANT IT UNSURPASSED STRENGTH AND EXTRAORDINARY VERSATILITY.

SAE 4140 /42CrMo	C%	Si%	Mn%	P%	S%	Cr%	Mo%
Min	0.36	0.1	0.65			0.75	0.15
Max	0.44	0.4	1.1	0.04	0.04	1.2	0.35

Steel 4140 / 42CrMo emerges as the preeminent material for fabricating Chrome Plated Bars. With its exceptional high yield strength and impressive tensile strength, the 4140 chrome plated bar is indispensable for applications requiring superior robustness. This steel is the ultimate choice for the most challenging environments, where unmatched reliability and uncompromised strength are imperative.

FAQ

QUESTION 1: WHAT IS THE DELIVERY TIME OF HYDRAULIC HONED TUBES?

Answer: As one of the largest hydraulic honed tube suppliers in the area, we stock a lot ofdifferent sizes and materials of mother tubes for honed tubes, so normally our delivery time is 10-20 days depends on the quantity and size.

 

QUESTION 2: CAN YOU ENSURE THE QUALITY OF THE HYDRAULIC CYLINDER TUBE?

Answer: Yes, we execute Total Quality M anagement System in our hydraulic cylinder tube factory.We only use raw materials (mother tube) made in China top quality steel maker such as TPCOSha-Steel, Huaigang Special Steel and so on. And we will inspect every honed tube for hydrauliccylinder before packing, the honed cylinder tube will be supplied with mill test certificateaccording to EN 10204 /3.1.

 

QUESTION 3: IS YOUR COMPANY HYDRAULIC CYLINDER TUBE MANUFACTURERS OR TRADINGCOMPANY?

Answer: Yes, we are true hydraulic cylinder tube factory company located in Wuxi, Jiangsu, weare one of the professional hydraulic cylinder tube manufacturers in China, we welcomecustomers to come to visit our factory, Then you can see the details.

 

QUESTION 4: HOW CAN YOU PROTECT THE INSIDE SURFACE OF THE HONED TUBES FROMDAMAGE DURING TRANSPORTATION?
Answer: To protect the inner surface of the honed lD tubing, we will plug each tube with tubecaps on each end, the tube caps usually are plastic in green or yellow. And for big lD honed tubeswe can weld a steel cap on each tube end to protect thelD surface on customers request.

 

QUESTION 5: DID YOU EXPORT YOUR HONED PIPES TO OVERSEA COUNTRIES? AND WHAT ISYOUR MAIN OVERSEA MARKET?
Answer: Yes, as the one of the largest hydraulic cylinder honed tube suppliers in china, weexported our cylinder tubes to many customers in oversea countries, our main market includingUSA, Vietnam, Australia, Russia, UAE, Saudi Arabia, Canada, South Africa, Thailand, Brazil, Mexico,etc.