USA SAE A 959 (2011), A 959 Type 634 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 634 | Precipitation-Hardening | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| C | Mn | Si | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| 0.10 -0.15 | 0.50 -1.25 | ≤0.50 | ≤0.04 | ≤0.03 | 15.00 -16.00 | 4.00 -5.00 | 2.50 -3.25 | 0.07 -0.13 |
| 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) |
|---|---|---|---|---|---|---|
| 512 (≥) | 864 (≥) | 32 | 32 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 |
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.42 | - | |||
| 947 | 411 | - | 32.3 | 433 | - | ||
| 192 | - | 32 | 11.2 | 321 | 414 |
Heat treated : 1447°C - 1915°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 2.4634 | |||
| 1.6349 | |||
| 634 | |||
| 634 | |||
| 634 | |||
| AMS 6342G | |||
| AMS 6348A | |||
| AMS 6349A | |||
| 634 | |||
| AM-355/634(S35500) | |||
| AISI 634 | |||
| ASTM 634 | |||
| AM-355(Type634) | |||
| S35500 | |||
| S35500 | |||
| S35500 | |||
| S35500 | |||
| UNS S35500 | |||
| S35500 |
| A 959 (2011) | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels | A-959-(2011).pdf |
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