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2S.131

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2S.130 2S.137
#2S-131

Description

UK B.S. BS 2S 131, 2S.131 Specialsteel Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 2S.131
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 2S.131 B.S. UK Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

Chemical composition(mass fraction)(wt.%) of the 2S.131

C Si Mn P S Cr Ni Mo W V
0.55 -0.70 0.20 -0.50 3.50 -5.50 ≤0.035 ≤0.025 3.00 -4.00 11.00 -14.00 ≤0.50 ≤1.00 ≤0.25

Mechanical Properties of steel grade 2S.131

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)
668 (≥) 887 (≥) 41 11 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade 2S.131

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
34 - -     0.11 -  
979 852 - 33.3 342   -  
939 - 31 42.2   133 443

Heat Treatment of steel grade 2S.131

Heat treated : 1844°C - 1159°C

Technological Curves of steel grade 2S.131

Relevant standard of 2S.131

BS 2S 131 Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm) BS-2S-131.pdf
2S.130 2S.137
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