USA AISI S44020 Specialsteel Martensitic Chromium Free Machining Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | S44020 | Martensite | AISI | USA | Martensitic Chromium Free Machining Stainless Steel |
C | Mn | Si | P | S | Cr | Ni | Mo | N |
---|---|---|---|---|---|---|---|---|
0.95 -1.20 | ≤1.25 | ≤1.00 | ≤0.04 | 0.10 -0.35 | 16.00 -18.00 | ≤0.75 | ≤ ≥ | ≤0.08 |
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) |
---|---|---|---|---|---|---|
674 (≥) | 165 (≥) | 44 | 11 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
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 |
---|---|---|---|---|---|---|---|
11 | - | - | 0.32 | - | |||
271 | 354 | - | 34.3 | 424 | - | ||
219 | - | 41 | 32.2 | 141 | 113 |
Heat treated : 1241°C - 1574°C
Grade | Standard | Country | Application |
---|---|---|---|
Type440F | |||
S44020 | |||
S44020 | |||
UNS S44020 | |||
S44020 |
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