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Global 企业标准 HSLA-80 低合金超高强度钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HSLA-80 / HSLA-80
Category Grade Standard Region/Area Standard Content
Metals HSLA-80 -- Global 低合金超高强度钢

Chemical composition(mass fraction)(wt.%) of the HSLA-80

Element Min Max Similar
C - 0.0600 -
Si - 0.2600 -
Mn - 0.5900 -
P - 0.0080 -
S - 0.0026 -
Al - 0.0250 -
Cu - 1.1800 -
Ni - 0.9000 -
Ceq - 0.4670 -
Pcm - 0.2150 -

Mechanical Properties of steel grade HSLA-80

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)
246 (≥) 731 (≥) 11 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade HSLA-80

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
33 - -     0.42 -  
726 887 - 42.3 123   -  
262 - 14 34.2   424 434

Heat Treatment of steel grade HSLA-80

Heat treated : 1391°C - 1561°C

Technological Curves of steel grade HSLA-80

Cross Reference Table (Equivalent Grade) of HSLA-80

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