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Description

China CNS G3067, G3076, G3077, 440C Specialsteel Stainless steel wire rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 440C
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel 440C Martensite CNS China Stainless steel wire rods

Chemical composition(mass fraction)(wt.%) of the 440C

C Si Mn P S Ni Cr Mo
0.95 -1.20 ≤1.00 ≤1.00 ≤0.040 ≤0.030 ≤0.60 16.00 -18.00 ≤0.75

Mechanical Properties of steel grade 440C

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)
959 (≥) 452 (≥) 23 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 440C

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
14 - -     0.33 -  
171 846 - 23.3 442   -  
569 - 21 22.2   222 242

Heat Treatment of steel grade 440C

Heat treated : 1713°C - 1177°C

Technological Curves of steel grade 440C

Cross Reference Table (Equivalent Grade) of 440C

Relevant standard of 440C

G3067 Stainless steel bars G3067.pdf
G3076 Stainless steel wires G3076.pdf
G3077 Stainless steel wire rods G3077.pdf

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