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 fordrawing 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.
|
Q195, Q235, Q345, 45#, S20C, SAE1010, SAE1020, SAE1045, EN8, EN19, C45, CK45, SS400 etc. |
|
|
ASTM A 615 Gr 40/60,BSS4449 Gr460B,500B etc. |
|
|
6mm-1200mm |
|
|
3000mm-12000mm or as client's request |
|
|
3mm/M max |
|
|
+0.5mm/-0(dia),+5mm/-0(L) |
|
|
black, mill, polished, brush, etc. |
|
|
10-15 days after order confirmed |
|
maq per Qat: high strength structure aisi 4140 round steel bar, China high strength structure aisi 4140 round steel bar manufacturers, suppliers, factory


