JIS G4051 S45C Steel Bar
JIS G4051 S45C steel bar is a medium carbon steel grade commonly used in machinery parts and building construction. It is a versatile material that can be easily machined and welded with good strength and toughness. S45C steel bar is available in various shapes and sizes, including round, square, hexagonal, and flat bar. It is widely used in the automotive, construction, and machinery industries, among others. The chemical composition of S45C steel bar includes carbon, manganese, phosphorus, sulfur, and silicon. It has a tensile strength of 570-700 MPa and a yield strength of 330-450 MPa. The hardness range of S45C steel bar is 160-220 HB.
Here are some of the specifications of JIS G4051 S45C steel bar:
1. Chemical composition: The chemical composition of JIS G4051 S45C steel bar should meet the specified requirements. The carbon content should be between 0.42%-0.48%, while the silicon, manganese, sulfur, and phosphorus contents should also meet the specified limits.
2. Mechanical properties: The mechanical properties of JIS G4051 S45C steel bar should also meet the specified requirements. These include the tensile strength, yield strength, elongation, and hardness.
3. Size range: JIS G4051 S45C steel bar is available in a wide range of sizes, ranging from 5mm to 250mm in diameter.
4. Surface finish: JIS G4051 S45C steel bar should have a smooth and clean surface finish, free from any defects or surface imperfections.
1045 Chemical composition
| standard | grade | C | Si | Mn | P | S | Cr |
| ASTM A29 | 1045 | 0.43-0.50 | —— | 0.60-0.90 | ≤0.04 | ≤0.05 | —— |
| EN 10083-2 | C45 | 0.42-0.50 | ≤0.04 | 0.50-0.90 | ≤0.03 | ≤0.035 | ≤0.4 |
| 1.1191 | |||||||
| JIS G4051 | S45C | 0.42-0.48 | 0.15-0.35 | 0.60-0.90 | ≤0.03 | ≤0.035 | —— |
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