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S47670

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S47450 302
#2Cr11NiMoNbVN #S47450 #S47670

Description

China GB GB/T 8732 (2004) , S47670 Specialsteel Steels of blade for steam turbine and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: S47670
Category Class Grade Standard Country Application
Steel GradesSpecialsteel S47670 GB China Steels of blade for steam turbine

Chemical composition(mass fraction)(wt.%) of the S47670

C Mn P S Si Ni Cr Mo Cu V Al N Nb
0.1500 -0.2000 0.5000 -0.8000 ≤0.0200 ≤0.0150 ≤0.5000 0.3000 -0.6000 10.0000 -12.0000 0.6000 -0.9000 ≤0.1000 0.2000 -0.3000 ≤0.0300 0.0400 -0.0900 0.2000 -0.6000

Mechanical Properties of steel grade S47670

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
899 (≥) 451 (≥) 31 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade S47670

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
41 - -     0.21 -  
348 222 - 22.3 411   -  
869 - 44 23.2   124 143

Heat Treatment of steel grade S47670

Heat treated : 1436°C - 1816°C

Technological Curves of steel grade S47670

Relevant standard of S47670

GB/T 8732 (2004) Steels of blade for steam turbine GB-T-8732--(2004)--.pdf
S47450 302
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Jiangyou Longhai Special Steel Co.,Ltd.

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