Origin	China
Grade	DIN17175
Specification	DIN17175
Technique	Seamless

Seamless Steel Tube DIN17175

Standard for Seamless Tubes of Heat-resistant Steels.

Application

This standard including tubes for headers of heat-resistant steels which are used in the construction of boilers,pipe-lines,pressure vessels and equipment for service up to 600°C and simultaneous high pressures,where the tototal stross and the relevant scaling conditions can raise or lower the temperature limit.

Details

Size O.D.: 6.0-820.0mm W.T.: 1.0-80.0mm   Length: 12000mm Grade and Chemical Compisition  Standard  Grade  C  Si  Mn  P  S  Cr  Mo  DIN17175  St35.8  ≤0.17  0.10-0.35  0.40-0.80  ≤0.30  ≤0.30  /  /  St45.8  ≤0.21  0.10-0.35  0.40-1.20  ≤0.30  ≤0.30  /  /  15Mo3  0.12-0.20  0.10-0.35  0.40-0.80  ≤0.30  ≤0.30  /  0.25-0.35 Mechanical Property  Standard  Grade  Tensile Strength(Mpa)  Yield Point(Mpa)  Elongation(A%)  DIN17175  St35.8  360-480  ≥235  ≥25  St45.8  410-530  ≥255  ≥21  15Mo3  450-600  ≥270  ≥22 Other steel grade like 17Mn4,19Mn5,13CrMo44,10CrMo910,14MoV63,X20CrMoV121 are also available.

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