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America SAE 444 Chemical compositions of SAE wrought stainless steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 444 / 444
Category Grade Standard Region/Area Standard Content
Metals 444 SAE J 405 America Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%) of the 444

Element Min Max Similar
Ti+Nb - 0.8000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni - 1.0000 -
N - 0.0350 -
Mo 1.7500 2.5000 -
Mn - 1.0000 -
Cr 17.5000 19.5000 -
C - 0.0250 -

Mechanical Properties of steel grade 444

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)
381 (≥) 352 (≥) 44 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 444

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 - -     0.21 -  
454 274 - 11.3 324   -  
735 - 24 31.2   311 441

Heat Treatment of steel grade 444

Heat treated : 1393°C - 1316°C

Technological Curves of steel grade 444

Cross Reference Table (Equivalent Grade) of 444

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