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Grade 735M50

England B.S. Grade735M50 Steel strip intended for the manufacture of springs. Specification for hot rolled carbon and low alloy steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Grade735M50 / Grade 735M50
Category Grade Standard Region/Area Standard Content
Metals Grade 735M50 BS 5770-1 England Steel strip intended for the manufacture of springs. Specification for hot rolled carbon and low alloy steel

Chemical composition(mass fraction)(wt.%) of the Grade 735M50

Element Min Max Similar
V 0.1500 - -
Cr 0.8000 1.1000 -
S - 0.0350 -
P - 0.0350 -
Mn 0.6000 0.9000 -
Si 0.1000 0.3500 -
C 0.4600 0.5400 -
V 0.1500 - -
Cr 0.8000 1.1000 -
S - 0.0350 -
P - 0.0350 -
Mn 0.6000 0.9000 -
Si 0.1000 0.3500 -
C 0.4600 0.5400 -

Mechanical Properties of steel grade Grade 735M50

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)
581 (≥) 368 (≥) 44 42 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade Grade 735M50

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
13 - -     0.21 -  
564 996 - 33.3 332   -  
416 - 44 33.2   311 121

Heat Treatment of steel grade Grade 735M50

Heat treated : 1173°C - 1288°C

Technological Curves of steel grade Grade 735M50

Cross Reference Table (Equivalent Grade) of Grade 735M50

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