… AA B550 is a seamless high basic flux cored wire for extreme requirements … … Typical for: 15NiCuMoNb5, 17MnMoV53, (WB36) 20MnMoNi4-5 … AA B550 … A 5.29: E80T5-K1M-J H4 … A 5.36: E80T5-M21A4-K1-H4 … 18276-A: T …