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K44220

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K42247 R04220
#422

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)
413 (≥) 486 (≥) 11 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

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
23 - -     0.22 -  
776 749 - 23.3 342   -  
381 - 42 23.2   312 232

Heat Treatment of steel grade K44220

Heat treated : 1767°C - 1783°C

Technological Curves of steel grade K44220

Cross Reference Table (Equivalent Grade) of K44220

Grade Standard Country Application
1.5422
1.5422
S42200
S42225
S42200
S42200
422
422M(C)
422M
S42200
SAE 4422
UNS G44220
ASTM 4422
UNS G44220
AMS 6422E
UNS K11422
UNS J94224
UNS J42215
UNS J42220
422(S42200)
K42247 R04220
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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