Product name:hot sale Carbon Steel C45 1045 S45C steel round bar
Normalized Condition:
In the normalized state, the tensile strength is 670–720 MPa, the yield strength is ≥ 340 MPa, the elongation is 15–18%, the reduction of area is 45–50%, the Charpy-V impact value is ≥ 50 J, and the hardness is 170–240 HB.
Quenched and Tempered Condition:
After quenching and tempering at a tempering temperature of 560–620 °C, the tensile strength is 700–850 MPa, the yield strength is 450–560 MPa, the elongation is 15–17%, the reduction of area is 45–50%, the Charpy-V impact value is 60–80 J, and the hardness is 196–241 HB.
Size Range:
Outside Diameter:
From 1mm to 400mm
Surface Finish: Products are generally supplied in the black hot-rolled condition. They can also be processed into other surface finishes such as rough-machined, turned, peeled, polished, or ground, according to customer requirements.
Certificate:ISO,SGS,TUV and Third part inspection.
Application:Construction field, ships building industry, car making industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchange, machinery and hardware fields.
| Tolerance OD mm | H7 | H8 | H9 | H10 | H11 | F7 | F8 |
|---|---|---|---|---|---|---|---|
| 6-10 | 0-0.015 | 0-0.022 | 0-0.036 | 0-0.058 | 0-0.09 | -0.013-0.028 | -0.013-0.035 |
| 10-18 | 0-0.018 | 0-0.027 | 0-0.043 | 0-0.058 | 0-0.09 | -0.016-0.034 | -0.016-0.043 |
| 18-30 | 0-0.021 | 0-0.033 | 0-0.052 | 0-0.084 | 0-0.13 | -0.02-0.041 | -0.02-0.053 |
| 30-50 | 0-0.025 | 0-0.039 | 0-0.062 | 0-0.1 | 0-0.16 | -0.025-0.05 | -0.025-0.064 |
| 50-80 | 0-0.030 | 0-0.046 | 0-0.074 | 0-0.12 | 0-0.19 | -0.03-0.06 | -0.03-0.076 |
| 80-120 | 0-0.035 | 0-0.054 | 0-0.087 | 0-0.14 | 0-0.22 | -0.036-0.071 | -0.036-0.9 |
Good Machinability: It offers relatively good machinability, allowing for precise processing to achieve the required dimensions and surface quality. It is suitable for a variety of machining operations.
Moderate Strength and Toughness: It has medium strength that meets the requirements of most general mechanical parts, while also maintaining a certain degree of toughness to withstand impact and cyclic loading.
Cost-Effective: As a general-purpose carbon steel, it has a relatively low cost compared with alloy steels, making it suitable for large-scale production.
Applications
Mechanical Manufacturing: Widely used in the production of various mechanical parts such as axles, bolts, forged connecting rods, crankshafts, torsion bars, light gears, guide rods, and screws.
Automotive Industry: Used in the manufacture of components such as engine shafts, gears, and fasteners in automobiles.
Agricultural Machinery: Applied in the production of parts such as shafts, gears, and structural supports for tractors, harvesters, and irrigation equipment.
Packaging & Shipping
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