USA SAE B 439 (2012), B 439 FC-1000-K40 Specialsteel Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | B 439 FC-1000-K40 | Precipitation-Hardening | SAE | USA | Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated) |
C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | Mo | Co |
---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.01 | ≤0.05 | ≤1.50 | ≤0.04 | ≤0.01 | ≤remaining | 0.50 -1.50 | 0.10 -0.50 | ≤0.50 | ≤ ≥ | 1.00 -6.00 | 26.00 -30.00 | ≤2.50 |
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) |
---|---|---|---|---|---|---|
693 (≥) | 749 (≥) | 41 | 42 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.21 | - | |||
885 | 625 | - | 21.3 | 424 | - | ||
188 | - | 24 | 23.2 | 143 | 324 |
Heat treated : 1591°C - 1427°C
B 439 (2012) | Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated) | B-439-(2012).pdf |
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...
Rfq.: sales@longhaisteel.com