C60 Alloy Steel Plate
The chemical composition of C60 alloy steel plate typically includes 0.56-0.64% carbon, 0.60-0.90% manganese, 0.15-0.35% silicon, 0.030% phosphorus, 0.035% sulfur, and 0.40-0.60% chromium.
C60 alloy steel plate can be heat treated to improve its strength and toughness, with common heat treatment methods including quenching and tempering, annealing, and normalizing.
The following are its specifications and features:
1. Plate thickness: 1-150mm
2. Board width: 1000-3000mm
3. Board length: 2000-12000mm
4. Surface treatment: black or polished
5. Use: Used to manufacture mechanical parts, such as springs and bearings.
| Cr + Mo + Ni = max 0.63 |
| C | Si | Mn | Ni | P | S | Cr | Mo |
| 0.57 - 0.65 | max 0.4 | 0.6 - 0.9 | max 0.4 | max 0.045 | max 0.045 | max 0.4 | max 0.1 |
MECHANICAL PROPERTIES:
| Effect of the cross-section on mechanical properties | |||
| If heat treated | |||
| Diameter d, mm
Thickness of the flat bar t, mm |
≤ 16
≤ 8 |
16 – 40
8 – 20 |
40 – 100
20 – 60 |
| Ultimate tensile strength, Rm, MPa | 850 – 1000 | 800 – 950 | 750 – 900 |
| Yield stress Re (Rp0.2), MPa | ≥ 580 | ≥ 520 | ≥ 450 |
| Elongation, A, % | ≥ 11 | ≥ 13 | ≥ 14 |
| Reduction of area, Z, % | ≥ 25 | ≥ 30 | ≥ 35 |
| If normalised | |||
| Diameter, d, mm
Thickness of the flat bar t, mm |
≤ 16
≤ 16 |
16 – 100
16 – 100 |
100 – 250
100 – 250 |
| Ultimate tensile strength, Rm, MPa | ≥ 710 | ≥ 670 | ≥ 650 |
| Yield stress Re (Rp0.2), MPa | ≥ 380 | ≥ 340 | ≥ 310 |
| Elongation, A, % | ≥ 10 | ≥ 11 | ≥ 11 |
TECHNOLOGICAL TREATMENT PROCESSES:
| Technological treatment processes | Possible application | Temperature, °C | ||
| Hot forming | Forging | + | (1050 – 850) | |
| Rolling | + | (1050 – 850) | ||
| Treatment | Heat treatment | Quenching | + | 810-850/w,o |
| Tempering | + | 550 – 660 | ||
| Precipitation strengthening | Supersaturation | – | – | |
| Ageing | – | – | ||
| Annealing | Normalising | + | 820 – 880 | |
| Soft annealing | + | (650 – 700) | ||
| Thermochemical treatment | Carburising | – | – | |
| Other | – | – | ||
TECHNOLOGICAL TREATMENT PROCESSES:
| Technological treatment processes | Possible application | Temperature, °C | ||
| Hot forming | Forging | + | (1050 – 850) | |
| Rolling | + | (1050 – 850) | ||
| Treatment | Heat treatment | Quenching | + | 810-850/w,o |
| Tempering | + | 550 – 660 | ||
| Precipitation strengthening | Supersaturation | – | – | |
| Ageing | – | – | ||
| Annealing | Normalising | + | 820 – 880 | |
| Soft annealing | + | (650 – 700) | ||
| Thermochemical treatment | Carburising | – | – | |
| Other | – | – | ||
Inspection:
Product Application
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