Professional Manufacturing / Turning / Oil Cylinder / Cylinder Barrel / High Precision Honing Pipe

• After-sales Service: Yes
• Warranty: 1 Year
• Type: Welded
• Technique: Cold Drawn
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Transport Package: Wooden Box Packaging
• Specification: 12M, 6m, 6.4M
• Trademark: ISO
• Origin: China
• HS Code: 7304399000
• Production Capacity: 100000 Ton/Tons Per Month

Product Description

Inside Dia (mm)	ID Tolerance (mm)				WT Tolerance (mm)
	H7	H8	H9	H10
≤30	+0.021/0	+0.033/0	+0.052/0	+0.084/0	±7.5% >210mm ±10%
30 - ≤50	+0.025/0	+0.039/0	+0.062/0	+0.100/0
50 - ≤80	+0.030/0	+0.046/0	+0.074/0	+0.120/0
80 - ≤120	+0.035/0	+0.054/0	+0.087/0	+0.140/0
120 - ≤180	+0.040/0	+0.063/0	+0.100/0	+0.160/0
180 - ≤250	+0.046/0	+0.072/0	+0.115/0	+0.185/0

250 - ≤315	+0.052/0	+0.081/0	+0.130/0	+0.210/0	±7.5% >210mm ±10%
315 - ≤700	+0.057/0	+0.089/0	+0.140/0	+0.230/0

Steel Grade	Chemical composition %
	C	Si	Mn	P	S	Al
				≤		≥
20#	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	/
45#	0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	/
Q345B	≤0.2	≤0.5	1.00-1.60	0.03	0.03	/
Q345D	≤0.2	≤0.5	1.00-1.60	0.03	0.03	0.015
25Mn	0.22-0.29	0.17-0.37	0.70-1.00	0.035	0.035	/
27SiMn	0.24-0.32	1.10-1.40	1.10-1.40	0.035	0.035	/
ST52	≤0.22	≤0.55	≤1.6	0.025	0.025	/
SAE1026	0.22-0.28	0.15-0.35	0.60-0.90	0.04	0.05	/

Delivery Condition	Cold Finished (hard) (BK)	Cold Drawn and Stress-Relieved (BK+S)
Steel Grade	Tensile Strength (Mpa)	Elongation (%)	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
20#	≥550	≥8	≥520	≥375	≥15
45#	≥640	≥5	≥600	≥520	≥10
16Mn	≥640		≥600	≥520	≥14
25Mn	≥640		≥600	≥510	≥15
27SiMn	≥800		≥760	≥610	≥10
ST52	≥640		≥600	≥520	≥14
SAE1026	≥640		≥600	≥510	≥15

Honed Tube Specifications:

1.Steel grade: ST52.3, 1020, CK45, 4140 , E355,4130, Stainless Steel 304/316, Duplex 2205, Alloy Steel etc.
2.ID: 15mm-1500mm
3.OD:18mm-1800mm
4.Length: max 16m
5.Straightness: 0.5/1000 6.Roughness(Ra): 0.2-0.4um 7.ToleranceEXT:DIN2391,DIN17175,DIN1629,ASTM519,ASTMA106,JISG3441,GB/T8163,GB/T3639,GB9948,GB/T5312 etc.
8.Tolerance INT: ISO H8
9.Surface treatment:galvanized
10.Tolerance:±7%
11.Oiled or unoiled:Slightly Oiled
12.Delivery date:22-30
13.Type: cold drawing, cold rolling, honed
14.Conservation: anti rust oiled inside and outside surface, plastic caps in both ends
15.Package: bundle with steel strip and knitting strip, or wooden case.

EAST AI's Hot Sale product features seamless galvanized steel tubes, expertly honed for use in hydraulic
cylinders. These tubes are crafted for durability and precision, providing a reliable and efficient solution for
industrial hydraulic systems.

Experience unparalleled performance with our High-Precision St52 Hard Chrome Plated Honed Tube, designed specifically for hydraulic cylinders. Manufactured for durability and precision, this chrome-plated steel pipe ensures optimal functionality in demanding industrial environments. Its corrosion-resistant finish and seamless construction provide superior reliability and longevity. Ideal for custom hydraulic applications, our honed tube offers the perfect balance of strength and precision, making it an essential component for any high-performance hydraulic system.

Company Profile

FAQ

Q1: Are You Manufacture or Trade Company?

We are manufacture,we have 10 years experience for supply Metal material and products in domestic.

Q2: How can we guarantee quality?
Always a pre-production sample before mass production;Always final Inspection before shipment;

Q3: What is your terms of payment ?
1.T/T: 30% deposit in advance, the balance 70% paid before shipment

2.30% down payment, the balance 70% paid against L/C at sight
3.Upon negotiation

Q4: Can you provide Certificates for aluminum materials ?
Yes,we can supply MTC-Material Test Certificate.

Q5: Can you provide sample?
Yes, we can provide you sample, but you need to pay for the sample and freight firstly. We will return the sample fee after you make an order.