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)

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