DIN 2391 EN 10305-4 Cold Rolled Seamless Steel Pipe for Auto Parts
DIN 2391 EN 10305-4 cold rolled seamless steel pipe for auto parts
chemical composition
C |
Si |
Mn |
P |
S |
Nb |
Ti |
V |
|
St52 |
≤0.22 |
≤0.55 |
≤0.16 |
≤0.025 |
≤0.025 |
≤0.03 |
≤0.03 |
≤0.05 |
tolerance |
+0.2 |
+0.03 |
±0.06 |
+0.005 |
+0.005 |
+0.01 |
+0.01 |
+0.02 |
Q345B |
≤0.2 |
≤0.55 |
≤0.17 |
≤0.04 |
≤0.04 |
|
|
Our cold rolled precision products with small tolerance
NDT: to ensure the quality for our customers
Package details: woven sack to anti-rust
Any of your questions will be answered within 24 hours! Welcome to inquiry!
Free samples are available!!!

Company Introduction
Hebei Province Gold Mysterious Pipe Co., Ltd. specializes in the production of various seamless steel pipes, with the wall thicknesses from 1mm to 10mm and outer diameters from 8mm to 76mm. Our products include common seamless steel pipes, fine pull pipes, fine rolled pipes, alloy steel pipes, special pipes, etc. We are equipped with advanced production equipment, such as two punching lines, thirteen fine rolling production lines and ten cold drawing production lines. Our company invites a group of excellent technical experts and management personnel in domestic steel pipe industry to improve the technical levels of our products. In terms of quality control, our company has been implementing ISO9001:2008 Quality Management System since March, 2011. We have strict product quality control in each process, from raw material purchase to finished product delivery, ensuring satisfactory product quality.
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