Carbon Steel
Carbon Steel
Carbon steel has a wide range of uses, its versatility, affordability and wide range of mechanical properties make it a key material in industries ranging from construction to automotive manufacturing.
Features of Carbon Steel
- High strength and hardness due to carbon content (0.05%-2%), balancing durability with workability.
- Ductility decreases as carbon increases, making low-carbon steel malleable and high-carbon steel brittle but wear-resistant.
- Cost-effective and versatile, widely used in construction, machinery, and tools for its machinability and heat-treatability.
Parameter of Carbon Steel
| Topic | Content |
| Standard | – International Standards: ASTM (e.g., ASTM A36, AISI 1045); GB (e.g., GB/T 700, GB/T 699); JIS (e.g., JIS G3101, JIS G4051); DIN (e.g., DIN EN 10025); ISO (e.g., ISO 630) – Industry Standards: SAE, EN, ASME, etc. |
| Grades | – ASTM: A36, A516, 1045, 1020 – GB: Q235, Q345, 45, 20 – JIS: SS400, S45C, S20C – DIN: S235JR, C15, C45 – ISO: E235, C22E, C45E |
| Classification | 1. By Carbon Content: – Low Carbon Steel (<0.25% C, e.g., Q235, A36) – Medium Carbon Steel (0.25%~0.6% C, e.g., 45 Steel, C45) – High Carbon Steel (>0.6% C, e.g., 1080, C70) 2. By Production Process: Hot-rolled steel, cold-rolled steel, forged steel, cast steel 3. By Application: Structural steel (e.g., Q345), tool steel (e.g., T8), special-purpose steel (e.g., boiler steel A516) |
| Size | – Plates: Thickness 10~720mm, width 1000~2500mm, length 2000~6000mm – Bars: Diameter 5~900mm (round steel, square steel), within 6000mm lengths – Pipes: Outer diameter 10~500mm, wall thickness 1~50mm |
Industries Using Steel
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