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ASTM A213 SGS BV Cold drawn seamless alloy steel tube with varnish paint / anti-rust oil Our service: Good quality + Good price + Good service = Customer's trust seamless alloy steel tube Product name ASTM A213 T22 seamless alloy steel tube Production technical Cold drawn,Hot rolled Out diameter 1/2"-24" Wall thickness Sch10 through Sch160, STD, XS and XXS Length 3m-12m or as customer's request Surface Black painting,varnish paint,anti-rust oil,galvanized,etc Testing