Standard |
Grade |
Chemical Composition (%) | Mechanical Properties | |||||||
C | Si | Mn | P | S | Cr | (MPa) Tensile Strength |
(MPa) Yield Strength |
(%) Elongation |
||
DIN1629 | ST37.0 | ≤0.17 | / | / | ≤0.04 | ≤0.04 | / | 350-480 | ≥235 | ≥25 |
ST44.0 | ≤0.21 | / | / | ≤0.04 | ≤0.04 | / | 420-550 | ≥255 | ≥21 | |
ST452.0 | ≤0.22 | ≤0.55 | ≤1.70 | ≤0.04 | ≤0.04 | / | 550-650 | ≥270 | ≥21 |
Source: https://www.derbosteelpipe.com/din-17175-st45-seamless-carbon-steel-pipe-hot-rolled-dn50-xs.html
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