RW 316 series is a stainless steel series for welding, used for AISI 316/316L and similar molybdenum-alloyed stainless steels. It targets higher corrosion resistance than the 308L group. RW 316L and RW 316LAWS reduce grain-boundary chromium carbide precipitation through low carbon levels. They can also weld stainless steels containing niobium or titanium. RW 316LSi improves arc stability, fluidity, penetration, and bead appearance.
| Product | Nominal Composition | EN ISO 14343-B: 2017 | AWS A5.9-2017 Alloy Designation |
DIN Werkstoff Nr. |
|---|---|---|---|---|
| RW 316L | 19 12 3 L | - | - | 1.4430 |
| RW 316LAWS | 19 12 3 L | SS316L | ER316L | 1.4430 |
| RW 316LSi | 19 12 3 L Si | SS316LSi | ER316LSi | 1.4430 |
| Element | RW 316L | RW 316LAWS | RW 316LSi |
|---|---|---|---|
| C | CRW 316L≤ 0,03 % | CRW 316LAWS≤ 0,03 % | CRW 316LSi≤ 0,03 % |
| Mn | MnRW 316L1,00-2,50 % | MnRW 316LAWS1,00-2,50 % | MnRW 316LSi1,00-2,50 % |
| Si | SiRW 316L≤ 0,20 % | SiRW 316LAWS0,30-0,65 % | SiRW 316LSi0,65-1,00 % |
| S | SRW 316L≤ 0,020 % | SRW 316LAWS≤ 0,020 % | SRW 316LSi≤ 0,020 % |
| P | PRW 316L≤ 0,030 % | PRW 316LAWS≤ 0,030 % | PRW 316LSi≤ 0,030 % |
| Cr | CrRW 316L18,0-20,0 % | CrRW 316LAWS18,0-20,0 % | CrRW 316LSi18,0-20,0 % |
| Ni | NiRW 316L11,0-14,0 % | NiRW 316LAWS11,0-14,0 % | NiRW 316LSi11,0-14,0 % |
| Mo | MoRW 316L2,50-3,00 % | MoRW 316LAWS2,50-3,00 % | MoRW 316LSi2,50-3,00 % |
| Cu | CuRW 316L≤ 0,30 % | CuRW 316LAWS≤ 0,30 % | CuRW 316LSi≤ 0,30 % |
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