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China CNS FCMB340 黑心展性鑄鐵件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FCMB340 / FCMB 340
Category Grade Standard Region/Area Standard Content
Metals FCMB 340 CNS G 3054 China 黑心展性鑄鐵件

Chemical composition(mass fraction)(wt.%) of the FCMB 340

Element Min Max Similar

Mechanical Properties of steel grade FCMB 340

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)
129 (≥) 512 (≥) 21 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade FCMB 340

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 - -     0.42 -  
999 311 - 23.3 131   -  
498 - 33 12.2   414 422

Heat Treatment of steel grade FCMB 340

Heat treated : 1566°C - 1428°C

Technological Curves of steel grade FCMB 340

Cross Reference Table (Equivalent Grade) of FCMB 340

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