... a179 seamless carbon tube astm alloy steel pipe astm a209 T1 seamless alloy steel pipe2 Production StandardASTM SA213, SA335, A369 ... BS3059: 360, 440, 460, 620 JIS G3458: STPA12, STPA20, STPA22, STPA23, STPA24, STPA25, STPA26 JIS G3462: STPA12, STBA13, STBA20, STBA22 ... considered as scale. 4.Flattening Test,Flaring Test.Flange Test,Hardness Test,Hydrostatic TestMore information according the standard ...