Appearance treating: galvanized joint diameter: 32mm Material: steel productODW.T.standardLengthseamless steel pipe4'' to 24''SCH20 30 40 60 STD 80ASTM1065.8m ... ,301,202,201 and other stainless steel round bar, square steel, angle steel and special type of steel 6316F, 304F, 303F, 303Cu, 430F, ... 301,202,201 and so on stainless steel sheet;321,316 L, 316Ti, 316,304 L, 304, 301,202,201, etc. steel pipe