DIN 17175 Seamless Steel Tubes For Elevated Temperatures
DIN 17175 seamless steel pipes are used in boiler installations,high-pressure pipelines and tank construction and special machinery for both high temperature and high-pressure devices.
DIN 17175 alloy steel pipe is just a big class,and it has many classifications.We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes.
| Grade | Mfg. Process | Chemical composition(%) | ||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Others | ||
| St35.8 | S | 0.17Max | 0.10~0.35 | 0.40~0.80 | 0.040Max | 0.040Max | – | – | – | – |
| St45.8 | S | 0.21Max | 0.10~0.35 | 0.40~1.20 | 0.040Max | 0.040Max | – | – | – | – |
| 15Mo3 | S | 0.12~0.20 | 0.10~0.35 | 0.40~0.80 | 0.035Max | 0.035Max | – | – | 0.25~0.35 | – |
| 13CrMo910 | S | 0.10~0.18 | 0.10~0.35 | 0.40~0.70 | 0.035Max | 0.035Max | – | 0.70~1.10 | 0.45~0.65 | – |
| 10CrMo910 | S | 0.08~0.15 | 0.50Max | 0.40~0.70 | 0.035Max | 0.035Max | – | 2.00~2.50 | 0.90~1.20 | – |
| Grade
|
Materia
number |
Tensile Test MPa or N/mm2 | Remaks(Similar to JIS) | Possibility Temperature | ||
| Min Yield point | Tensile Strength | |||||
| t 16Max | 16<t 40Max | |||||
| St35.8 | 1.0305 | 235 | 225 | 360~480 | Impact Test at Room Temp.kgf-m
(STPT38) |
|
| St45.8 | 1.0405 | – | 245 | 410~530 | 23.5(STPT410, STB410) | |
| 15Mo3 | 1.5415 | 275 | 275 | 450~600 | 23.5 | |
| 13CrMo910 | 1.7335 | 295 | 295 | 440~590 | 23.2(STPA22, STBA22) | |
