Carbon Steel DIN 2391 ST37 Tube
The outer diameter range of DIN 2391 ST37 seamless precision steel pipes is 16-325mm or 4-76mm. The wall thickness is usually 1-22mm or 0.5-6.0mm. It can be customized according to the specific needs of customers.
Common delivery states include NBK (bright oxygen-free normalizing) and others. In addition, there are other delivery states, such as NBK (+N), GBK (+A), BK (+C), BKW (+LC) and BKS (+SR).
DIN 2391 ST37 seamless cold-drawn steel pipes are widely used in hydraulic systems, automobile manufacturing, injection molding machines, hydraulic presses, ships, EVA foaming hydraulic machinery and other fields.
| Standard | Grade | C | Si | Mn | P max | S max |
| DIN2391 | St37 | ≤0.17 | ≤0.35 | ≥0.35 | 0.04 | 0.04 |
|
Cold drawn(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 |
ST37 DIN 2391 cold drawn seamless tubing
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