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2S.143

Favorite Datasheet
2S.137 2S.144
#2S-143

Description

UK B.S. BS 2S 137, 2S.143 Specialsteel Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 2S.143
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 2S.143 B.S. UK Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm)

Chemical composition(mass fraction)(wt.%) of the 2S.143

C Si Mn P S Cr Ni Mo Nb Cu
≤0.07 ≤0.60 ≤1.00 ≤0.035 ≤0.025 13.20 -14.70 5.00 -5.80 1.20 -2.00 0.10 -0.40 1.20 -2.00

Mechanical Properties of steel grade 2S.143

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)
869 (≥) 267 (≥) 14 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 2S.143

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
12 - -     0.21 -  
228 989 - 21.3 141   -  
853 - 34 32.2   312 122

Heat Treatment of steel grade 2S.143

Heat treated : 1689°C - 1545°C

Technological Curves of steel grade 2S.143

Relevant standard of 2S.143

BS 2S 137 Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm) BS-2S-137.pdf
2S.137 2S.144
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