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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)
331 (≥) 274 (≥) 13 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

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
41 - -     0.13 -  
772 747 - 22.3 434   -  
742 - 13 14.2   123 233

Heat Treatment of steel grade 2S.131

Heat treated : 1398°C - 1773°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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Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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