ASTM A519 Seamless Precision Steel Tube, A519 cold-drawn hot selling astm 1020 1045 bks cold drawn hydraulic pipe
Standard ASTM A519 Material 1020, 1035, 1045, 4130, 4140 Technical cold-drawn seamless. Outside diameter 4-260mm . Wall thickness 0.5-25mm. Length 3m-8m . Delivery condition BK(cold drawn,hard), BKW(cold drawn,soft), BKS(cold drawn,stress relieved), GBK(annealed), NBK(normalized) Application used in the hydraulic cylinder of the Heavy hot selling astm 1020 1045 bks cold drawn hydraulic pipe
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jis3454 stpg370 st37 steel grade seamless carbon steel pipe