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Stainless Steel Electrodes
D&H SECHERON 209
AWS: SFA
EN ISO CODE:
D&H Secheron 209 is a special purpose stainless steel electrode. This composition are most often used to weld AISI type 209 (UNS S20910) base metals. The alloy is a nitrogen strengthened austenitic stainless steel exhibiting high strength with good toughness over a wide range of temperatures. Nitrogen alloying reduces the tendency for intergranular carbide precipitation in the weld area by inhibiting carbon diffusion and thereby increasing resistance to intergranular corrosion. Nitrogen alloying coupled with the molybdenum content provides superior resistance to pitting and crevice corrosion in aqueous chloride-containing media. Electrodes have sufficient total alloy content for use in joining dissimilar alloys, like mild steel and the stainless steels, and also for direct overlay on mild steel for corrosion applications.
| Element | C | Mn | Si | P | Cr | Ni | Mo | N | V |
|---|---|---|---|---|---|---|---|---|---|
| Typical | 0.04 | 5.0 | 0.70 | 0.020 | 21.5 | 10.5 | 2.0 | 0.15 | 0.15 |
| Properties | UTS(MPa) | % El (L=4d) |
|---|---|---|
| Typical | 720 | 18 |
Stainless Steel Electrodes
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