USA MIL MIL S 8840B (1965), MIL H 6875H (1989), AM350 Specialsteel Steel sheet and strip, corrosion-resistant, precipitation hardening (AM350 and AM355), premium quality and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | AM350 | MIL | USA | Steel sheet and strip, corrosion-resistant, precipitation hardening (AM350 and AM355), premium quality |
C | Mn | P | S | Si | Ni | Cr | Mo | N |
---|---|---|---|---|---|---|---|---|
0.0700 -0.1100 | 0.5000 -1.2500 | ≤0.0400 | ≤0.0300 | ≤0.5000 | 4.0000 -5.0000 | 16.0000 -17.0000 | 2.5000 -3.2500 | 0.0700 -0.1300 |
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) |
---|---|---|---|---|---|---|
843 (≥) | 374 (≥) | 22 | 34 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 |
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 | - | - | 0.44 | - | |||
786 | 774 | - | 43.3 | 444 | - | ||
438 | - | 22 | 41.2 | 431 | 312 |
Heat treated : 1854°C - 1761°C
MIL S 8840B (1965) | Steel sheet and strip, corrosion-resistant, precipitation hardening (AM350 and AM355), premium quality | MIL-S-8840B---(1965).pdf |
MIL H 6875H (1989) | Heat treatment of steel, process for | MIL-H-6875H---(1989).pdf |
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