JIS S35C S45C C45 MS Round Steel ASTM AISI 1040 1045 Carbon Steel Round Bar
How strong is high-carbon steel?
AISI 1020 steel, a low-carbon mild steel, has a yield strength of 47,900 psi and a tensile strength of 65,300 psi. Meanwhile, AISI 1080 steel, a high-carbon steel, has a yield strength of 84,800 psi and a tensile strength of 140,000 psi

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 |
| | | |
| | | | |
| | | | | | | |
15 | 1/2” | 21.3 | 2.11 | 2.77 | 2 | 2.6 | - |
20 | 3/4” | 26.7 | 2.11 | 2.87 | 2.3 | 2.6 | 3.2 |
25 | 1” | 33.4 | 2.77 | 3.38 | 2.6 | 3.2 | 4 |
32 | 1-1/4” | 42.2 | 2.77 | 3.56 | 2.6 | 3.2 | 4 |
40 | 1-1/2” | 48.3 | 2.77 | 3.68 | 2.9 | 3.2 | 4 |
50 | 2” | 60.3 | 2.77 | 3.91 | 2.9 | 3.6 | 4.5 |
65 | 2-1/2” | 73 | 3.05 | 5.16 | 3.2 | 3.6 | 4.5 |
80 | 3” | 88.9 | 3.05 | 5.49 | 3.2 | 4 | 5 |
100 | 4” | 114.3 | 3.05 | 6.02 | 3.6 | 4.5 | 5.4 |
125 | 5” | 141.3 | 3.4 | 6.55 | - | 5 | 5.4 |
150 | 6” | 168.3 | 3.4 | 7.11 | - | 5 | 5.4 |
200 | 8” | 219.1 | 3.76 | 8.18 | - | - | - |


