We Shandong Lusteel ( Group) Co., Ltd., is a larger and professional group company of steel in China, please see our products range as below: a.Welded steel pipe, round pipe, OD size from 12.7mm to 920mm, thickness from 0.6mm to 25mm. OD size above 219mm,it should be spiral welded pipe. Carbon Chinese steel grade Q235, Q195, Q345. Stainless steel grade 304, 304L, TP304, 316,316L, 201, 430 etc. For square pipe, size from 15*15mm to 300*300mm; Rectangular pope, size from 30*20 to 600*400mm. And oval tube we also could do it. b. Seamless steel pipe, OD size from 12.7mm to 630mm, thickness from 0.6mm to 25mm. Carbon Chinese steel grade 20#, 10#, 40#, common use steel grade will be 20#, is equivalent ASTM A106, Gr. B. And API 5L, Grade B we also could produce it. Stainless steel grade 304, 304L, TP304, 316,316L, 201, 430 etc. c.Galvanized pipe, we could do ASTM A53, Gr. B, BS1387 etc. d.Steel plate, hot rolled and cold rolled steel plate, 0.75mm to 1.4mm, medium plate, from 6mm to 60mm, 65 to 150mm. Carbon and stainless. e.Other steel angle, steel H-Beam, I-Beam, round bar, deformed bar, flat bar, wire, please visit our website for specifiction.