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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.
Products Name | carbon steel round bar | |
Steel Grade | Q195,Q235,Q345, 45#, S20C ,
SAE1010,SAE1020,SAE1045,EN8,EN19,C45,CK45,SS400 etc | |
Standard | ASTM A 615 Gr 40/60,BSS4449 Gr460B,500B etc | |
Diameter | 6mm-1200mm | |
Length | 3000mm-12000mm or as client's request | |
Straightness | 3mm/M max | |
Tolerance | +0.5mm/-0(dia),+5mm/-0(L) | |
Heat treatment | Normalized / Annealed / Quenched / tempered | |
Surface | black,mill,polished,brush,etc | |
Trade Term | FOB, CFR, CIF | |
Delivery time | 10-15 days after confirmed order | |
Loading port | Tianjin port , Shanghai port or as client's request |