Q355B Round Steel
Round steel belongs to carbon structural steel for construction and machinery, while square steel belongs to carbon structural steel for machinery. Both of them are simple section steel, and their section shapes are respectively round and square. Low carbon is mainly used for drawing wire, forging rivets, bolts, nuts and other metal products of raw materials. Medium carbon round steel and square steel are generally used to make mechanical structural parts.
| Product name | Round bar |
| Standard | GB/T 700-2006,GB/T 1591-94,JIS G3101-2004,ASTM A36/A36M-05,ASTM A242/A242M-04,ASTM A529/A529M-05,ASTM A572/A572M-06,EN 10025-2-2004 |
| Material | Q195,Q215 A, Q215 B, Q235 A, Q235 B, Q235 C,Q235D, Q275, Q275B, Q275C, Q275D, Q295, Q345, Q390, Q420, Q460,SS330,SS400,SS490,SS540,A36,1,GR.36,50(245),55(380),42(290),Q235, Q345, 10#, 15#, 20#, 35#, 45#,12Cr1Mov,15CrMo,304,316,20Cr,40Cr,20CrMo,35CrMo,42CrMo,40CrNiMoGCr15, 65Mn, 50Mn, 50Cr, 3Cr2W8V, 20CrMnTi, 5CrMnMo60(415),65(450),S185(1.0035),S235JO(1.0114), S235JR(1.0038),S235J2(0.0117),S275JR(1.0044),S275JO(1.10143),S355JO(1.0553),E295(1.0050),E335(1.0060), S235J2W(1.861),S355J2W(1.8965), |
| ASTM (1005,1006,1008,1010,1015,1020,1025,1030,1035,1040,1045,1050,1055,1060,1065,1070,1080,1084,1016,1022) | |
| DIN(Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50,30Mn4,40Mn4) | |
| BS(040A04,095M15,045M10,080A40,045M10,080M50) | |
| Surface treatment | bare pipe,oiled&PVC,galvanized,painted |
| Diameter | 2-120 mm 5mm-800mm or as required |
| Length | 1m,3m,5.8m,6m,12m or as required |
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