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DIN 17175

Standard: Deutsche industrie normen DIN 17175
Uses:Seamless Tubes OF Heat-resistant Steels.

Chemical Composition(%):

Grade C Si Mn S P Cr Mo V
Standard Steel grade Max
DIN 17175 St35.8 =0.17 0.10-0.35 0.40-0.80 0.02 0.025 - - -
St45.8 =0.21 0.10-0.35 0.40-1.2 0.02 0.025 - - -
15Mo3 0.12-0.20 0.10-0.35 0.40-0.80 0.02 0.025 - 0.25-0.35 -
13CrMo44 0.10-0.18 0.10-0.35 0.40-0.70 0.02 0.025 0.70-1.10 0.45-0.65 -
10CrMo910 0.08-0.15 =0.50 0.40-0.70 0.02 0.025 2.00-2.5 0.90-1.20 -
14MoV63 0.10-0.18 0.10-0.35 0.40-0.70 0.02 0.025 0.30-0.60 0.50-0.70 0.22-0.32
12Cr1MoV 0.08-0.15 0.17-0.37 0.40-0.70 0.02 0.025 0.90-1.20 0.25-0.35 0.15-0.30
Mechanical Properties:
Standard
Grade Tensile strength Yield strength (MPa) Elongation     (%) Impact
 (J)
Hardness
not less than not less than not less than

not less than

DIN 17175 St35.8 360-480 235(t=16mm) 25 - -
225(t>16mm)
St45.8 410-530 255(t=16mm) 21 - -
245(t>16mm)
15Mo3 450-600 270 22 - -
13CrMo44 440-590 290 22 - -
10CrMo910 450-600 280 20 - -
14MoV63 460-610 320 20 55 -
12Cr1MoV 470-640 255 21 41 -
Available Dimension Range:
Cold Finished Seamless Steel Tube and Pipe:F8~114.3*1~20mm
Hot-rolled Steel Tube and Pipe:F114.3~720*5~120mm
 

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