Welding Metallurgy – www.materialwelding.com

Welding gases for TIG MIG welding

Welding Gas for TIG Welding In TIG Welding of Carbon Steel, Stainless steel, Aluminum, Copper, and Nickel Alloys, we use only inert gases such as Argon (Ar) and Helium (He) and they are the main...

What is the difference between ER70S-6 (ER49S-6) and ER70S-3 (ER49S-3)?

ER70S-6 (ER49S-6) vs.ER70S-3 (ER49S-3) What is my worry? will it be a problem with the weld strength or change in weld chemistry if I used ER70S-3 in place of ER70S-6 or vice-versa? Do I have to...

Stick (SMAW) and TIG/ MIG Welding procedure for Inconel 625

What is Inconel 625 made of and its uses? Inconel 625 is a high Nickel- chromium (Ni-Cr) base alloy with the addition of niobium (Columbium) & Iron (Fe) having very high corrosion resistance...

SS904L properties and Welding guidelines

What is stainless steel 904L material? SS904L stainless steel is an austenitic stainless steel material used for high corrosion resistance applications in oil & gas, power plants, fertilizers...

How to Weld WC4, WC5 and WC6 alloy casting

WC4, WC5 & WC6 Material WC4, 5 & 6 are low alloy casting as per ASTM Specification ASTM A217. The main alloying are Chromium and Molybdenum along with Nickel (WC6 without Nickel). The...

AISI 8620 (21NiCrMo2) welding procedure & guidelines

AISI 8620 Material AISI 8620 steel is a low alloy-medium carbon steel, alloyed with Nickel, chromium and molybdenum used for application requires high strength and toughness. 8620 is used for gear...