DIN 17175 oilfiled seamless steel boiler tube and boiler pipes
API 5DP oil casing and tubing water well drill pipe
May 26, 2017
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June 14, 2017
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 |
||
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.
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