
API 5DP oil casing and tubing water well drill pipe
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ASTM A53 Gr. B black carbon steel pipe for oil and gas pipelines
June 14, 2017Steel 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 |
Mechanical Properties of DIN 17175 seamless boiler pipes
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 |
DIN 17175 seamless boiler tube is widely used in boiler industry, petroleum, chemical industry, chemical fiber, metallurgy, medicine, machinery, paper, heat preservation, refrigeration, mechanical equipment, food, electricity, water, construction, aviation, aerospace, marine, shipbuilding, environmental protection and boiler heat exchangers.