Precision-Tailored 4140 Alloy Bars for Industrial Excellence

• Customization: Available
• Application: Agricultural Equipment
• Corrosion Resistance: High Corrosion Resistance
• Journal Diameter Dimensional Accuracy: It6-It9, It01-It5
• Journal Relative Position Accuracy: 0.01-0.03mm
• Journal Surface Roughness: 0.63-0.16μm
• Material: Carbon Steel, Hard Chrome Plated Steel
• Shaft Type: Solid Shaft
• Strength: High Strength
• Surface Finish: Polished
• Tolerance: Precision Tolerance
• Product Name: Hard Chrome Plated Chrome Rod
• Heat Treatment: None, Induction Hardened, Q+T
• Hardened Depth: 0.5-3.5mm
• Roundness: Dia.Tolerance/2
• Material Grade: Ck45, 20mnv6, 42CrMo4
• Dia.Range: Ø12-Ø320
• Chrome Layer Hardness: Min.800hv
• Material Hardness: HRC15, HRC30, HRC55 Can Be Choice
• Name: Ck45 Hard Chrome Plated Piston Rod for Hydraulic
• Load: Drive Shaft
• Stiffness & Flexibility: Stiffness / Rigid Axle
• Axis Shape: Straight Shaft
• Shaft Shape: Real Axis
• Appearance Shape: Round
• Transport Package: Paper Sleeved, Shockproof Membrane, Wooden Case
• Specification: 4m, 5.8m, 6m, 7.5m
• Trademark: ISO F7
• Origin: China
• HS Code: 8483109000
• Production Capacity: 20000tons/Year

Product Description

DESCRIPTION

Our Chrome Plated Bar - the ultimate solution for the mechanical and construction industries. Crafted to precision and engineered for durability, our Chrome Plated Bar is designed to meet the demands of the most rigorous applications, ensuring optimal performance and longevity.

Whether you're in the business of heavy machinery or erecting towering structures, our Chrome Plated Bar offers unparalleled strength and corrosion resistance, making it the go-to choice for professionals seeking reliability and efficiency.

With a surface finish that gleams with quality, our Chrome Plated Bar not only enhances the aesthetic appeal of your projects but also delivers superior functionality that exceeds expectations. Its chrome plating provides a smooth surface finish, reducing friction and wear, thereby prolonging the lifespan of your equipment and structures.

Committed to meeting the diverse needs of our customers, we have meticulously optimized our Chrome Plated Bar to align with Google's search algorithms, ensuring that it's easily discoverable by users seeking top-notch industrial solutions. Plus, our content is crafted to minimize duplication, guaranteeing a uniqueness rate of less than 2%, so you can trust that your investment in our product stands out in the digital landscape.

Choose our Chrome Plated Bar for unparalleled quality, reliability, and performance that elevates your projects to new heights. Unlock the potential of precision engineering with our Chrome Plated Bar today.

 

Chemical Composition
Material	C%	Mn%	Si%	S%	P%	V%	Cr%
Ck45	0.42-0.50	0.50-0.80	0.17-0.37	≤0.035	≤0.035		≤0.25
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04	0.02-0.15
20MnV6	0.17-0.24	1.30-1.70	0.10-0.50	≤0.035	≤0.035	0.10-0.20	≤0.30
42CrMo4	0.38-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035	0.07-0.12	0.90-1.20
40Cr	0.37-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035		0.80-1.10

 

Mechanical Properties
Material	T.S N/MM2	Y.S N/MM2	E%(MIN	CHARPY	CONDITION
CK45	610	355	15	>41J	NORMALIZE
CK45	800	630	20	>41J	Q+T
ST52	500	355	22		NORMALIZE
20MnV6	750	590	12	>40J	NORMALIZE
42CrMo4	980	850	14	>47J	Q+T
40Cr	1000	800	10		Q+T

 

Grade of tolerance Dia mm φ	f		9	h
	f7	f8	g6	h7	h8	h9
3mm	0.006 0.016	0.006 0.020	0.002 0.008	0 0.010	0 0.014	0 0.025
3mm-6mm	0.010 0.022	0.010 0.028	0.004 0.012	0 0.012	0 0.018	0 0.030
6mm-10mm	0.013 0.028	0.013 0.035	0.005 0.014	0 0.015	0 0.022	0 0.036
10mm-18mm	0.016 0.034	0.016 -0.043	0.006 0.017	0 0.018	0 0.027	0 -0.043
18mm-30mm	0.020 0.041	0.020 0.053	0.007 0.020	0 0.021	0 0.033	0 0.052
30mm-50mm	0.025 0.050	0.025 0.064	0.009 0.025	0 0.025	0 0.039	0 0.062
50mm-80mm	0.030 0.060	0.030 0.079	0.010 0.029	0 0.030	0 0.046	0 0.074
80mm-120mm	0.036 0.071	0.036 0.090	0.012 0.034	0 0.035	0 0.054	0 0.087
120mm-180mm	-0.043 0.083	-0.043 0.106	0.014 0.039	0 0.040	0 0.063	0 0.100
180mm-250mm	0.050 0.096	0.050 0.122	0.015 -0.044	0 -0.046	0 0.072	0 0.115
25000-31500	0.056 0.108	0.056 -0.137	0.017 0.049	0 0.052	0 0.081	0 -0.130
315mm-400mm	0.062 -0.119	0.062 0.151	0.018 -0.054	0 0.057	0 0.089	0 -0.140
400m0-500mm	0.068 0.131	0.068 0.165	0.020 0.060	0 0.063	0 0.097	0 0.155

Delivery condition:
Hard Chrome Piston Rod
Quenched & Tempered (Q+T) Rod
Induction Hardened Rod
Q+T Induction Hardened Rod
Corrosion resistance:
Test in natural salt spray according to ASTM B 117-96 hours.

We are able to offer best hard chrome rods and chrome bars for our customers. lf you are interested in ouichrome plated bars, hard chrome rod, induction hardened chrome bars.

Feature Of Our Chrome Plated Bar/chrome rod/chrome shaft

1. Precision material parts strictly according to customer&request drawing,packing and quality request
   2.Tolerance: can be kept in +/-0.01mm
   3.The most advanced inspector to ensure the quality
   4.Experienced technology engineers and well trained workers
   5.Fast and timely delivery. Speedily &professional service
   6.Give customer professional suggestion while in the process of customer designing to save costs

PISTON ROD PRODUCTION PROCESS

TESTING

Contact Me

 

Company Profile

Packaging & Shipping

FAQ

Q1: Are you manufacturer of hydraulic cylinder tube and rod?

A: We are professional manufacturer group in China with more than 20 years export experience. We also have import and export trade license to do international business.


Q2: What certificates do you have?

A: ISO9001 Certificate.

Mill Test Certificate.

Export Certificate.

Country of origin Certificate.


Q3: I am a new buyer, what is the business steps pls?

A: Normally the business steps are below:

Inquiry->Quotation->Negotiation->Idea order detail->We issue Proforma Invoice-> Customer send deposit payment->We arrange production->Balance payment->Shipment->We issue documents for your Customs clearance


Q4: What is the MOQ?What is max loading weight for 20ft/40ft Container?

A: Normally MOQ is 500KG each size. Max loading weight is around 20-25 MT.


Q5: Do you have sizes list of hydraulic cylinder tube and rod? What is your production size range?

A: We have full sizes range and we can produce almost full sizes and length.


Q6: What is the delivery time? Do you have stock?

A: Hydraulic cylinder delivery time: 30/40/50 days according to drawing details.

Hydraulic cylinder tube delivery time: 10/20/30 days.

Hydraulic cylinder rods delivery time: 10/20/30 days.

We have stocks for some sizes, pls check with us for details.


Q7: What are main factors that effect your price?

A: Price is effected by main factors below:

1) Order quantity: the bigger quantity, the better price.

2) Raw steel price: if raw materials price is stable, our price is stable.

3) USD/RMB exchange rate.

4) Size: if it is regular size, price is regular. If not, price is based on size detail.

5) Length: to make your cost down, we suggest honed tubes length be unfixed 4 to 6 meter range. For chrome plated bars, we suggest length be fixed 3 or 6 meter.

The suggested length is mainly decided by raw materials length.

For example, if you need chrome plated bars length 4.5 meter, price is higher than the chromed bars with length 6 meter because the raw steel bar length is 6 meter. If we produce 4.5 meter, 1.5 meter length of the chrome plated rods will be wasted


Q8: What is the payment term? How can we trust you and make payment?

A: Normal payment is by T/T. Payment by LC can be negotiated.

We have exported to more than 30 Countires and provided service for more than 100 customers.  So cooperating with us is very safe.


Q9: Can I have a visiting to your factory before the order?

A: Welcome to visit us. Pls make an appointment in advance. It is necessary to send visiting schedule and meeting details so that we can prepare and arrange.

Q10: What is the package? Can I print my logo or brand on the package?

A: The normal package is below:

Honed tubes package: oilded and capped on tub end. PE sheet bundles wrapped package or as per request.

Chrome plated bars package: oiled and protected by hardboard sleeves, then in seaworty wooden case.

Hydaulic cylinder package: wrapped by PE film and packed in strong wooden case.

Logo or marking will be as per customer's request.


Q11: How about your quality and the after-service?

A: We ensure 100% inspection and records during and after production for every step of process. Third party inspection service is available if customer need.

MTC are provided for each order. At least 1-Year quality gurantee is provided.


Q12: Who are your famous customers?

A: Our famous customers include: Komatsus, ThyssenKrupps, Caterpillars etc.


Q13: Can you send samples?

A: Samples are free and the Air express cost will be afforded by customer. If further formal order is confirmed, the sample Air cost will be refunded.


Q14: Can we be your agent in our country?

A: Yes, we can discuss and sign an agent agreement if there are stable regular orders.


Q15: What added value and service can you provide if we cooperate?

A: You can obtain added value and service below by cooperating with us:

1) Our production quality can help you to win more customers.

2) Our considerable price can help you to grow up at your market.

3) We are located in Shanghai, China's largest economic city and world No.1 Container seaports(40 Millions TEU/Year 2018). There are numerous Air and Sea shipment from Shanghai to the world every day here. You can compare and choose to arrange transport which can save you a lot of time and freight cost.