1)ASTM A312: 3.17 mm.OD~406.4 mm.OD2)TP304/304L, 316/316L, 321, 347, 310S, ETC.,
1)ASTM A312: 3.17 mm.OD~406.4 mm.OD 2)TP304/304L, 316/316L, 321, 347, 310S, ETC.,
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