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America ASTM A1089 Standard Specification for Highly Loaded Anti-Friction Bearing Steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A1089 / A1089
Category Grade Standard Region/Area Standard Content
Metals A1089 ASTM A1089/A1089M America Standard Specification for Highly Loaded Anti-Friction Bearing Steel

Chemical composition(mass fraction)(wt.%) of the A1089

Element Min Max Similar
P - 0.0150 -
S - 0.0150 -
Cu - 0.3000 -
Ti - 0.0050 -
Al - 0.0500 -
Sn - 0.0300 -
Sb - 0.0200 -
As - 0.0400 -
O - - -
Pb - 0.0020 -

Mechanical Properties of steel grade A1089

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)
788 (≥) 831 (≥) 33 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade A1089

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
13 - -     0.43 -  
868 167 - 23.3 131   -  
249 - 34 12.2   441 244

Heat Treatment of steel grade A1089

Heat treated : 1262°C - 1951°C

Technological Curves of steel grade A1089

Cross Reference Table (Equivalent Grade) of A1089

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