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England B.S. S137 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 for: Metals: S137 / S 137
Category Grade Standard Region/Area Standard Content
Metals S 137 BS 2S 137 England 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 S 137

Element Min Max Similar

Mechanical Properties of steel grade S 137

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)
228 (≥) 383 (≥) 44 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade S 137

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
11 - -     0.31 -  
633 658 - 24.3 241   -  
137 - 23 11.2   424 143

Heat Treatment of steel grade S 137

Heat treated : 1161°C - 1275°C

Technological Curves of steel grade S 137

Cross Reference Table (Equivalent Grade) of S 137

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