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England B.S. S147 Specification for 0.5% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S147 / S 147
Category Grade Standard Region/Area Standard Content
Metals S 147 BS 2S 147 England Specification for 0.5% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts

Chemical composition(mass fraction)(wt.%) of the S 147

Element Min Max Similar
Si 0.2000 0.3500 -
S - 0.0200 -
P - 0.0250 -
Ni 0.4000 0.7000 -
Mo 0.2000 0.3000 -
Mn 0.7500 1.0000 -
Cr 0.4000 0.6000 -
C 0.3800 0.4300 -

Mechanical Properties of steel grade S 147

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)
443 (≥) 471 (≥) 31 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade S 147

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
22 - -     0.11 -  
395 475 - 32.3 122   -  
899 - 22 33.2   334 331

Heat Treatment of steel grade S 147

Heat treated : 1728°C - 1299°C

Technological Curves of steel grade S 147

Cross Reference Table (Equivalent Grade) of S 147

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