What is 16 8 2 stainless steel?
Description: SelectAlloy 16-8-2-C is a gas-shielded, metal cored, stainless steel electrode. It has a nominal composition of 15.5% Cr, 8.5% Ni and 1.5% Mo. It is designed for use with argon/1-2% oxygen or argon/1- 2% CO2 shielding gases.
What is 309 welding wire used for?
Arcos 309/309L is generally used for welding similar alloys in wrought and cast form. This wire is also utilized to weld Type 304 and similar base metals, where severe corrosion conditions exist, as well as in dissimilar welds for joining 304 to carbon steel or the clad side of 304 clad steels.
What is a 316 16 welding rod used for?
316L electrodes are used for welding 18% Cr–12% Ni–2.5% Mo stainless steels where the corrosion-resistant qualities of AISI 316L are required. This electrode has a high deposition rate and produces a weld deposit with fine bead appearance and exceptional crack-resistance.
What is the difference between 308 and 309 welding wire?
Both the 308 and the 309 have an All-Weld-Metal Tensile requirement of 80ksi minimum, but the 309 is usually recommended for welding stainless to dissimilar metals. To add to what Chuck has said, the higher chromium content in 309 promotes the formation of ferrite and increases resistance to oxidation and corrosion.
Can you use 308L on mild steel?
If you are welding mild steel to stainless the recommended alloy is 309L or 309Lsi. This is true even if the stainless base material is 304, 308 or even 316.
Can you use 308 to weld 304?
To weld Type 304 stainless, use Type 308 filler, as the additional alloying elements in Type 308 will better stabilize the weld area. However, 308L is also an acceptable filler. The “L” designation after any Type indicates low carbon content.
What gas do you use for 309 wire?
The low carbon minimizes carbide precipitation and makes the weld metal more resistant to intergranular corrosion. SelectAlloy 309L can be used with 100% carbon dioxide shielding or a blend of 75-80% argon/balance carbon dioxide. Shielding gas mixtures with more than 75-80% argon are not recommended.
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