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SUS440C

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SUS440B SUS440F
#SUS440C

Description

Japan JIS SUS440C Martensitic special steel and SUS440C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: SUS440C
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel SUS440C JIS Japan Martensitic special steel
SUS410J1
SUS410F2
SUS416
SUS420J1
SUS420J2
SUS420F
SUS420F2
SUS431
SUS440A
SUS440B

Chemical composition(mass fraction)(wt.%) of the SUS440C

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.95-1.20 Max 1.00 Max 1.00 Max 0.04 Max 0.03 16.0-18.0 Max 0.60 Max 0.75

Mechanical Properties of steel grade SUS440C

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)
754 (≥) 836 (≥) 13 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade SUS440C

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
31 - -     0.24 -  
189 331 - 41.3 341   -  
212 - 24 41.2   224 313

Heat Treatment of steel grade SUS440C

Heat treated : 1399°C - 1229°C

Technological Curves of steel grade SUS440C

Cross Reference Table (Equivalent Grade) of SUS440C

Grade Standard Country Application
SUS440C JIS Japan Martensitic special steel
SUS440B SUS440F
Available Suppliers
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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