This filler metal is the most often used to weld similar composition, in particular, Type 304.
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | 0.25 | 0.60 | ||
| Mn | 1.00 | 2.50 | ||
| P | - | 0.03 | ||
| S | - | 0.03 | ||
| Cr | 19.5 | 22.0 | ||
| Ni | 9.00 | 11.0 | ||
| Cu | - | 0.75 | ||
| Mo | - | 0.75 |
The welding materials are classified according to chemical composition. The values contained in the mechanical properties are not requirements of this specification. They are obtained from weld metal specified in A5.4.
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 686 (≥) | 928 (≥) | 23 | 13 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 197 (≥) | 116 (≥) | 33 | 43 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 347 | 443 | 735 |
We can customize the production of ER 308 grade, contact us for the best solution.
–sales@specificsteel.com