DIN 17175 alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes. This alloy steel pipe is just a big class,and it has many classifivations. We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes. Steel grade: DIN17175 St35.8 DIN17175 St45.8 15Mo3 13CrMo44 10CrMo910
Chemical Compositions of DIN 17175 steel pipes (%)
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
St35.8 |
≤0.17 |
0.10-0.35 |
0.40-0.80 |
≤0.040 |
≤0.040 |
/ |
/ |
St45.8 |
≤0.21 |
0.10-0.35 |
0.40-1.20 |
≤0.040 |
≤0.040 |
/ |
/ |
15Mo3 |
0.12-0.20 |
0.10-0.35 |
0.40-0.80 |
≤0.035 |
≤0.035 |
/ |
0.25-0.35 |
13CrMo44 |
0.10-0.18 |
0.10-0.35 |
0.40-0.70 |
≤0.035 |
≤0.035 |
0.70-1.10 |
0.46-0.65 |
10CrMo910 |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
≤0.035 |
≤0.035 |
0.20-0.25 |
0.90-1.20 |
Mechanical Properties of DIN17175 steel pipe
Grade |
Yield Strength (Mpa) |
Tensile Strength (Mpa) |
Elongation(%) |
St35.8 |
≥235 |
360-480 |
25 |
St45.8 |
≥255 |
410-530 |
21 |
15Mo3 |
≥275 |
450-600 |
20 |
13CrMo44 |
≥290 |
440-590 |
20 |
10CrMo910 |
≥280 |
450-600 |
18 |
EN 10216-2, Quality P235 GH (formerly DIN 17175, St.35.8 Cl. 1, boiler pipe) P = Pressure 235 = minimum yield strength in N/mm2 GH = tested properties at higher temperatures
OLD |
|
New |
Execution |
Norm |
Steel grade |
|
Execution |
Norm |
Steel grade |
Welded |
DIN 1626 |
St.37.0 |
|
Welded |
DIN EN 10217-1 |
P235TR2 |
Welded |
DIN 1626 |
St.52.2 |
|
Welded |
DIN EN 10217-3 |
P355N |
Seamless |
DIN 1629 |
St.37.0 |
|
Seamless |
DIN EN 10216-1 |
P235TR2 |
Seamless |
DIN 1629 |
St.52.2 |
|
Seamless |
DIN EN 10216-3 |
P355N |
Seamless |
DIN 17175 |
St.35.8/1 |
|
Seamless |
DIN EN 10216-2 |
P235GH |
Seamless |
ASTM A106* |
Grade B |
|
Seamless |
DIN EN 10216-2 |
P265GH |
Seamless |
ASTM A333* |
Grade 6 |
|
Seamless |
DIN EN 10216-4 |
P265NL |
DIN 17175 seamless steel tube for elevated temperature St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44