AM350
USA MIL MIL S 8840B (1965) MIL H 6875H (1989) AM350 Steel sheet and strip, corrosion-resistant, precipitation hardening (AM350 and AM355), premium quality and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
MIL AM350 MIL AM350 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 |
Datasheet for:Steel Grades:Specialsteel:AM350
Chemical composition(mass fraction)(wt.%) of the AM350
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | 0.0700 | 0.1100 |
| Mn | 0.5000 | 1.2500 |
| P | - | 0.0400 |
| S | - | 0.0300 |
| Si | - | 0.5000 |
| Ni | 4.0000 | 5.0000 |
| Cr | 16.0000 | 17.0000 |
| Mo | 2.5000 | 3.2500 |
| N | 0.0700 | 0.1300 |
Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade AM350
| 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) |
|---|---|---|---|---|---|---|
| 378 (≥) | 469 (≥) | 24 | 11 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| 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 |
|---|---|---|---|---|---|---|---|
| 33 | - | - | 0.32 | - | |||
| 228 | 673 | - | 22.3 | 143 | - | ||
| 134 | - | 43 | 43.2 | 131 | 422 |
Heat treated : 1817°C - 1978°C
The material does not have direct Metallography properties.
Directory is being updated.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| AM350 | MIL | USA |
Steel sheet and strip, corrosion-resistant, precipitation hardening (AM350 and AM355), premium quality
|
| SAE AM350 | SAE | USA |
Steel, Corrosion and Heat-Resistant, Bars and Forgings 16.5Cr - 4.5Ni - 2.9Mo - 0.10N Equalized and Over-Tempered
|
| AMS AM350 | AMS | USA |
Steel, Corrosion and Heat-Resistant, Bars and Forgings 16.5Cr - 4.5Ni - 2.9Mo - 0.10N Equalized and Over-Tempered
|
Relevant standard
| Standard No. | Description | Download |
|---|---|---|
| MIL S 8840B (1965) | Steel sheet and strip, corrosion-resistant, precipitation hardening (AM350 and AM355), premium quality | |
| MIL H 6875H (1989) | Heat treatment of steel, process for |
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