Campfire Steel
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Structural Carbon Steel: 45#
No. 45 steel is a carbon structural steel with 0.45% carbon content. It is characterized by competitive cost, good cutting performance, high hardness after quenching, and excellent strength, toughness, and wear resistance after quenching and tempering treatment. It is widely used in manufacturing structural parts and plastic molds.
| Standard No. | Alloy No. | Chemical compositions (%) | ||||||
|---|---|---|---|---|---|---|---|---|
| C | Cr | Mn | Ni | P | S | Si | ||
| GB/T699-1999 | 45# | 0.42~0.50 | ≤0.25 | 0.50~0.80 | ≤0.25 | ≤0.035 | ≤0.035 | 0.17~0.37 |
Recommended process specification for heat treatment: quenching temperature 820 - 860°C, water or oil-cooled. Recommended tempering temperature is 500 - 560°C, air cooling. Quenching and tempering ensure the strength, plasticity, and toughness of 45 steel reach a good balance.
| Tempering Temp | After Quenching | 200°C | 300°C | 400°C | 500°C | 550°C | 600°C |
|---|---|---|---|---|---|---|---|
| Hardness HRC | 57 | 55 | 50 | 41 | 33 | 26 | 22 |
Our facility is a steel forging manufacturing enterprise specializing in the production of forged round steel, square steel, shaft forgings, ring forgings, cylinder forgings, and forging processing, heat treatment, mechanical processing, and finished parts processing. 0.75 tons to 30 tons of ingot steel can also be supplied.
Forging Equipment: The main equipment includes 2000 tons of hydraulic press, ring rolling machine, 3 tons of forging hammer, 2 tons of forging hammer, 1 ton forging hammer, 750KG forging hammer, 30T heat treatment and tempering furnace, lathes, and sawing machines. Over 30 sets of equipment allow for the production of forgings weighing from 20Kg to 20,000Kg.
