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440B

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440A 440C
#440B

Description

China CNS G3067, 440B Specialsteel Stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

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

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

Mechanical Properties of steel grade 440B

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)
345 (≥) 757 (≥) 14 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade 440B

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 - -     0.34 -  
564 651 - 14.3 444   -  
535 - 23 41.2   221 213

Heat Treatment of steel grade 440B

Heat treated : 1391°C - 1718°C

Technological Curves of steel grade 440B

Cross Reference Table (Equivalent Grade) of 440B

Grade Standard Country Application
440B
440B
SUS440B
SUS440B
440B(S44003)
AISI 440B
ASTM 440B
SUS440B
SUS440B
STS440B
STS440B

Relevant standard of 440B

G3067 Stainless steel bars G3067.pdf
440A 440C
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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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