... boilerASTM A106: Standard Specification for Seamless Carbon Steel Pipe for High-Temperature ServiceASTM A179: Standard Specification for ... ServiceASTM A333: Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature ServiceASTM A335: Standard Specification for ... 20G, 12Cr1MoV, 12Cr1MoVG, 12CrMoGASTM A106: Gr A, Gr B, Gr CASTM A333: Gr 1, Gr 3, Gr 6, Gr 8ASTM A335: P1, P2, P5, P9 ...