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Korea KS HSWR77A 高碳鋼線材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HSWR77A / HSWR 77A
Category Grade Standard Region/Area Standard Content
Metals HSWR 77A KS D 3559 Korea 高碳鋼線材

Chemical composition(mass fraction)(wt.%) of the HSWR 77A

Element Min Max Similar
P - 0.0300 -
S - 0.0300 -
Mn 0.3000 0.6000 -
Si 0.1500 0.3500 -
C 0.7400 0.8100 -
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Mn 0.3000 0.6000 -
C 0.7400 0.8100 -

Mechanical Properties of steel grade HSWR 77A

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)
861 (≥) 699 (≥) 12 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade HSWR 77A

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 - -     0.34 -  
616 152 - 44.3 324   -  
663 - 31 41.2   424 211

Heat Treatment of steel grade HSWR 77A

Heat treated : 1679°C - 1766°C

Technological Curves of steel grade HSWR 77A

Cross Reference Table (Equivalent Grade) of HSWR 77A

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