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Description

USA AISI K31830 Specialsteel Alloy Steel (HY80) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: K31830
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel K31830 Precipitation-Hardening AISI USA Alloy Steel (HY80)

Chemical composition(mass fraction)(wt.%) of the K31830

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 13.00 -15.00 17.00 -19.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 1.75 -2.75 ≤ ≥

Mechanical Properties of steel grade K31830

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)
257 (≥) 339 (≥) 33 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade K31830

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 - -     0.14 -  
318 211 - 22.3 343   -  
671 - 13 32.2   444 431

Heat Treatment of steel grade K31830

Heat treated : 1678°C - 1933°C

Technological Curves of steel grade K31830

Cross Reference Table (Equivalent Grade) of K31830


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