ASTM A193 B7 / ASTM A194 2H ASTM A193-B7M / A194-2HM ASTM A320 L7/ASTM A194 GR.7 ASTM A320 L7M/ASTM A194 GR7M Diameter; 1/2~4í¦ or M12~100 Length:20~5000mm Material: 1040ú¼1045ú¼4140ú¼4142 Surface finished: self colourííZPííYZPííH.D.G. A small cabinet loaded 21-22 tons of general.
