USA SAE A 959 (2011) , A 959 Type 309H 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 309H | Austenite | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
C | Si | Mn | P | S | Cr | Ni |
---|---|---|---|---|---|---|
≤0.08 | ≤0.75 | ≤2.00 | ≤0.045 | ≤0.030 | 22.0 -24.0 | 12.0 -15.0 |
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) |
---|---|---|---|---|---|---|
241 (≥) | 348 (≥) | 12 | 33 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.22 | - | |||
181 | 899 | - | 43.3 | 432 | - | ||
248 | - | 11 | 24.2 | 321 | 211 |
Heat treated : 1527°C - 1564°C
Grade | Standard | Country | Application |
---|---|---|---|
309HD | |||
309HCb | |||
309H | |||
309HCb | |||
TP309H | |||
TP309HCb | |||
TP309H | |||
TP309HCb | |||
TP309H | |||
TP309HCb | |||
S30909 | |||
S30909 | |||
S30909 | |||
S30909 | |||
S30909 |
A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | A-959--(2011)-.pdf |
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