Steel grade:
DIN17175 St35.8
DIN17175 St45.8
15Mo3
13CrMo44
10CrMo910
Chemical Composition of DIN 17175 seamless boiler pipes
Standard |
Grade |
Chemical Composition Limits (%) |
||||||
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 |
Standard |
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 |