USA SAE A 959 (2011), A 959 Type 317LM Specialsteel Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 959 Type 317LM | Precipitation-Hardening | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo | V |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.30 | ≤0.70 | ≤2.00 | ≤0.045 | ≤0.03 | 13.00 -27.00 | 18.00 -20.00 | ≤ ≥ | ≤0.75 | ≤ ≥ | ≤ ≥ | ≤0.10 | 4.00 -5.00 | ≤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) |
---|---|---|---|---|---|---|
789 (≥) | 449 (≥) | 34 | 21 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.42 | - | |||
859 | 631 | - | 41.3 | 211 | - | ||
851 | - | 21 | 11.2 | 133 | 324 |
Heat treated : 1437°C - 1946°C
A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | A-959-(2011).pdf |
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