ASTM 4140 42CrMo4 Carbon Steel Round Bar 6-220mm Diameter Hot Rolled for Construction and Manufacturing
Our ASTM 4140/42CrMo4 carbon steel round bars are hot-rolled for superior wear resistance and excellent machinability. These solid steel bars are ideal for general fabrication, manufacturing, repairs, and construction applications.
- High wear resistance and machinability for extended service life
- Multiple heat treatment options: Normalized, Annealed, Quenched, Tempered
- Available surface finishes: black, mill, polished, brush
- Custom cutting service available in small or large quantities
- Widely used in construction, industrial maintenance, agricultural equipment, transportation, and ornamental iron work
| Diameter (mm) | Weight (kg/m) | Diameter (mm) | Weight (kg/m) |
|---|---|---|---|
| 6 | 0.222 | 14 | 1.21 |
| 8 | 0.395 | 17 | 1.78 |
| 10 | 0.617 | 19 | 2.23 |
| 12 | 0.888 | 21 | 2.72 |
| 22 | 2.98 | 63 | 24.5 |
| 25 | 3.85 | 70 | 30.2 |
| 28 | 4.83 | 85 | 44.5 |
| 30 | 5.55 | 95 | 55.6 |
| 32 | 6.31 | 105 | 68 |
| 34 | 7.13 | 115 | 81.5 |
| 36 | 7.99 | 125 | 96.3 |
| 38 | 8.9 | 130 | 104 |
| 40 | 9.86 | 140 | 121 |
| 42 | 10.9 | 150 | 139 |
| 45 | 12.5 | 160 | 158 |
| 48 | 14.2 | 170 | 178 |
| 50 | 15.4 | 180 | 200 |
| 53 | 17.3 | 190 | 223 |
| 56 | 19.3 | 220 | 298 |
- Quality First: Strict production and inspection according to standards
- Price Advantage: Competitive pricing based on real market conditions
- Transaction Security: Complete protection of customer funds
- After-sales Guarantee: Comprehensive support for customer issues
- Long-term Cooperation: Sustainable partnerships through quality and service
Shandong Zhengde Metal Manufacturing Co., Ltd. operates with over 20 years of experience, featuring 5 production bases, 100+ production lines, and 4 nationally recognized laboratories. Our products are exported to 50+ countries worldwide.
We offer flexible shipping options including sea containers (20' and 40'), with both stock availability and custom production capabilities. Multiple payment methods accepted including T/T, L/C, Cash, and Western Union.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.