USA AMS SFA-5.9/SFA-5.9M, ER 318 Specialsteel Bare Stainless Steel Welding Electrodes and Rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | ER 318 | Precipitation-Hardening | AMS | USA | Bare Stainless Steel Welding Electrodes and Rods |
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo | V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 13.00 -15.00 | 17.00 -19.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | 1.75 -2.75 | ≤ ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 618 (≥) | 951 (≥) | 12 | 31 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 |
| 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 |
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.23 | - | |||
| 946 | 258 | - | 14.3 | 222 | - | ||
| 335 | - | 24 | 43.2 | 133 | 322 |
Heat treated : 1988°C - 1874°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 1.4318 | |||
| 1.4318 | |||
| 1.3318 | |||
| S31803 | |||
| 318 | |||
| S31803 | |||
| ASTM J93183 | |||
| UNS W50318 | |||
| UNS W21318 | |||
| AWS E318 | |||
| AWS ER318 | |||
| 1.3318 | |||
| 1.3318 | |||
| 2205(S31803) | |||
| S31803 | |||
| 318S17 | |||
| 318S17 | |||
| 1.4318 | |||
| 1.4318 |
| SFA-5.9/SFA-5.9M | Bare Stainless Steel Welding Electrodes and Rods | SFA-5-9-SFA-5-9M.pdf |
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