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DIN2391 ST37.4 Cold drawing Precision seamless tube used for Automobiles
DIN2391 Cold Drawn Precision Steel Pipe, DIN2391 ST35 ST45 ST52 St37.4, DIN highly accurate, cold drawn and bright seamless steel tube is used as the tube to be phosphate Read More EN10305-1 E235 E355 +N cold drew seamless precision steel cold drawn seamless tube - from stock - Steel ECold Drawn Seamless tubes also find uses in heavy equipment manufacturing such as cranes and garbage trucks. Buy seamless tubes online. See also stainless steel seamless tubing. CFS - cold-drawn seamless tube - Mechanical. CFS - cold-drawn seamless tube - Hydraulic. HFS - Hot Finished Seamless Mechanical Steel Tubes (E355).
Carbon Steel DIN 2391 Tubing has various outstanding attributes to provide like having sturdiness, dimensional accuracy, toughness. DIN 2391 EN 10305 1 standard specifies the Seamless steel tubes used for Automobile and Mechanical.
Machinery use
Auto shock reducer inner cylinder
Oil cylinder tube
Motorcycle shock reducer steel tubes
Chemical Composition of DIN 2391-2 Grade St 37 Tubes
| Standard | Grade | C | Si | Mn | P max | S max |
| DIN2391 | St37 | ≤0.17 | ≤0.35 | ≥0.35 | 0.04 | 0.04 |
(Mandatory) | Cold drawn(Soft) | Cold Drawn and Stress Release | Anneal | Normalizing | ||||||||
| BK1 | BKW1 | (BKS) | (GBK)1 | (NBK)1 | ||||||||
| Grade | Tensile | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation | Tensile | Elongation | Tensile | Yield point | Elongation |
| N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | N/mm2 | % | N/mm2 | N/mm2 | % | |
| St37 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 350~480 | 235 | 25 |
