Standard： DIN 17175----German Industrial Standard Purpose: Pipe for boiler industry. The main production steel grades: St35.8、St45.8、15Mo3、13CrMo44、10CrMo910 etc. After consultation, can also supply other grades of steel pipe. Mechanicalproperties ： Chemical composition:
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Standard：
DIN 17175----German Industrial Standard
Purpose:
Pipe for boiler industry.
The main production steel grades:
St35.8、St45.8、15Mo3、13CrMo44、10CrMo910 etc.
After consultation, can also supply other grades of steel pipe.
Mechanicalproperties：
|
|
Grade |
Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
|
DIN 17175 |
St35.8 |
360～480 |
≥235 |
≥25 |
|
St45.8 |
410～530 |
≥255 |
≥21 |
|
|
15Mo3 |
450～600 |
≥270 |
≥20 |
|
|
13CrMo44 |
440～590 |
≥290 |
≥20 |
|
|
10CrMo910 |
450～600 |
≥280 |
≥18 |
Chemical composition:
|
|
Grade |
Chemical Composition |
|||||
|
C |
Si |
Mn |
P、S |
Cr |
Mo |
||
|
DIN 17175 |
St35.8 |
≤0.17 |
0.10～0.35 |
0.40～0.80 |
≤0.030 |
/ |
/ |
|
St45.8 |
≤0.21 |
0.10～0.35 |
0.40～1.20 |
≤0.030 |
/ |
/ |
|
|
15Mo3 |
0.12～0.20 |
0.10～0.35 |
0.40～0.80 |
≤0.030 |
/ |
0.25～0.35 |
|
|
13CrMo44 |
0.10～0.18 |
0.10～0.35 |
0.40～0.70 |
≤0.030 |
0.70～1.10 |
0.45～0.65 |
|
|
10CrMo910 |
0.08～0.15 |
≤0.50 |
0.40～0.70 |
≤0.030 |
2.00～2.50 |
0.90～1.20 |
|
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