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Description

USA AISI K44220 Specialsteel Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: K44220
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel K44220 Precipitation-Hardening AISI USA Alloy Steel

Chemical composition(mass fraction)(wt.%) of the K44220

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo W V
≤0.22 ≤0.40 ≤0.75 ≤ ≥ ≤ ≥ ≤0.75 ≤12.50 ≤ ≥ ≤ ≥ ≤ ≥ ≤remaining ≤ ≥ ≤1.00 ≤1.00 ≤0.22

Mechanical Properties of steel grade K44220

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)
215 (≥) 176 (≥) 23 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade K44220

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
42 - -     0.24 -  
924 216 - 11.3 331   -  
118 - 24 31.2   413 444

Heat Treatment of steel grade K44220

Heat treated : 1226°C - 1975°C

Technological Curves of steel grade K44220

Cross Reference Table (Equivalent Grade) of K44220


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