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Brazil NBR FCHB158 Parts in gray cast iron classified according to brinell hardness - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FCHB158 / FCHB 158
Category Grade Standard Region/Area Standard Content
Metals FCHB 158 ABNT NBR 8583 Brazil Parts in gray cast iron classified according to brinell hardness - Specification

Chemical composition(mass fraction)(wt.%) of the FCHB 158

Element Min Max Similar

Mechanical Properties of steel grade FCHB 158

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)
475 (≥) 717 (≥) 12 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade FCHB 158

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
32 - -     0.31 -  
696 724 - 32.3 312   -  
347 - 14 24.2   334 132

Heat Treatment of steel grade FCHB 158

Heat treated : 1365°C - 1555°C

Technological Curves of steel grade FCHB 158

Cross Reference Table (Equivalent Grade) of FCHB 158

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