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C45 carbon steel round bar is a widely used medium carbon steel material known for its good strength, hardness, and machinability. After quenching and tempering, its comprehensive mechanical properties are significantly improved, making it suitable for shafts, gears, and structural components in various industries.
Product Overview
C45 carbon steel round bar is a widely used medium carbon steel material known for its good strength, hardness, and machinability. After quenching and tempering, its comprehensive mechanical properties are significantly improved, making it suitable for shafts, gears, and structural components in various industries.
Product Advantages
High strength and hardness with strong load-bearing capacity
Good machinability, suitable for turning, milling, and other processes
Heat-treatable for improved wear resistance and performance
Stable material properties for versatile applications
Cost-effective for industrial use
Why Choose C45 Carbon Steel Round Bar
C45 steel offers a balanced combination of strength, toughness, and machinability, making it ideal for parts requiring moderate wear resistance:
Suitable for heat treatment (quenching & tempering)
Widely used for shafts, gears, bolts, and mechanical parts
Excellent machining performance
More economical than alloy steels
Technical Specifications
Item | Details |
Material | C45 / AISI 1045 carbon steel |
Carbon Content | approx. 0.42% – 0.50% |
Diameter | 6mm – 300mm |
Length | Customizable (standard 6m) |
Condition | Hot rolled / Normalized / Quenched & tempered |
Tensile Strength | approx. 570–700 MPa |
Yield Strength | ≥ 335 MPa |
| Hardness | approx. HB 170–210 (untreated) |
| Standards | EN / DIN / ASTM / GB |
(Cutting, machining, and heat treatment services available)
Applications
Mechanical manufacturing (shafts, rods, gears)
Automotive components
Mold manufacturing
Industrial structural parts
Hardware processing
Why Choose Us
✅ Strict quality control system
✅ Wide range of stock sizes for fast delivery
✅ Custom processing supported (cutting, heat treatment, machining)
✅ Rich export experience worldwide
✅ Professional technical and sales support
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