Facing new challenges in the future market, all our employees will continue to carry forward a professional, efficient, enthusiastic and thoughtful work style, and provide customers with reliable and high-quality Hard Chrome Plated Honed Cylinder Tubing, Skived Rolling Burnished Hydraulic Cylinder Tube, S20C Honed Pipe and timely services. Since the beginning, we have managed every customer with the concept of comparing goods at the same price and comparing service with the same goods, so we can survive in this complicated business. With our outstanding administration, powerful technical capability and strict top quality handle procedure, we go on to provide our purchasers with reliable good quality, reasonable selling prices and excellent services. We regard environmental protection as an important part of corporate development, continue to increase investment in environmental protection, and actively seize the commanding heights of sustainable development. Seeing is Believing, want far more info? Just trial on its items!
1. Introduction
When plastic deformation occurs, further stress increase and enough to make pinning dislocation movement, screw dislocation glide, edge dislocation cannot pay slip, thus occurred dislocation, increase the fixed order. Therefore, the hardness and strength of metal materials can be improved by increasing the internal dislocation density of the metal and reducing the mobility of the dislocation, which is difficult to generate dislocation and difficult to move dislocation. This is the metal principle of cold drawing.
2. Product Details
Original: Jiangsu, China.
Certification: ISO9001
Material: SAE1020, 20#, ST45, CK45, ST52, E355.
Payment Term: TT, LC.
Delivery Date: Usually 20 to 40 days
Packing: Packed in bundle, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America.
MOQ: Depends on exact size and material.
3. Size List
72*90 | 75*95 | 76*98 | 86*105 | 86*110 | 95*120 |
95*127 | 106*136 | 127*161 | 127*165 | 134*172 | 139.7*177.8 |
140*172 | 147*185 | 158.75*209.55 | 159*197 | 165*203 | 172*210 |
172*228 | 200*245 | 235*288 | 203*120 | 172*103 | 197*120 |
165*106 |
4. Experience and Markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.
5. FAQ
1. Q:Are you a manufacturer, trading company or a third party?
A:We are a manufacturer, and we have built up our company since 2006.
2. Q:If I will need to stay in your place for few days, is that possible to book the hotel for me?
A:It’s always my pleasure, hotel booking service is available.
3. Q:What is your minimum order quantity, can you send me samples?
A: The Exact MOQ depends on your exact requirement. And sample is available.
4. Q:Is your price competitive?
A: Only good quality we supply. Surely we will give you best factory price based on
superior product and service.

We continue to develop, and take the responsibility of providing high-performance, high-quality, and high-efficiency AISI4140 4130 Chrome Steel 30CrMo/42CrMo Alloy Seamless Steel Pipes as our mission. We hope to create a better tomorrow through strengthening cooperation with industry enterprises and complementing each other's advantages. The company has been keeping pace with the times, aiming at the international advanced level, producing a variety of products to meet the needs of the various markets of the national standard.
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