USA SAE A 959 (2011), A 959 S21500 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 S21500 | Austenite | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
C | Mn | Si | P | S | Cr | Ni | Mo | B | Nb | V |
---|---|---|---|---|---|---|---|---|---|---|
≤0.15 | 5.50 -7.00 | ≤1.20 | ≤0.04 | ≤0.03 | 14.00 -16.00 | 9.00 -11.00 | ≤ ≥ | 0.003 -0.009 | 0.75 -1.25 | 0.15 -0.40 |
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) |
---|---|---|---|---|---|---|
469 (≥) | 815 (≥) | 12 | 41 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 |
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 |
---|---|---|---|---|---|---|---|
34 | - | - | 0.24 | - | |||
164 | 212 | - | 12.3 | 222 | - | ||
419 | - | 42 | 43.2 | 423 | 214 |
Heat treated : 1191°C - 1652°C
Grade | Standard | Country | Application |
---|---|---|---|
Esshete 1250 | |||
UNS 51250 | |||
S21500 | |||
S21500 |
A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | A-959-(2011).pdf |
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