42CrMo4 4140 Alloy Steel Plate 10-800mm Round Bar with 217 HBS Hardness Black Grinded Machined Surface
Price:
600-800 USD/Ton
MOQ:
5 ton
Delivery Time:
5-8 working day
Brand:
BAOSTEEL ANSTEEL SHOUSTEEL
Product Description
42CrMo4 / 4140 / 1.7225 / SCM 440 Alloy Steel Plate
High-performance alloy steel plate available in black surface, grinded, or machined finishes. This engineering steel offers excellent machinability, high toughness, and superior creep strength for demanding industrial applications.
Material Specifications
Equivalent Grades
| GB | DIN | AISI | JIS |
|---|---|---|---|
| 42CrMo | 1.7225 | 4140 | SCM440 |
Chemical Composition
| Element | Content Range (%) |
|---|---|
| C | 0.38-0.43 |
| Si | 0.40 max |
| Mn | 0.60-0.90 |
| Cr | 0.90-1.20 |
| Mo | 0.15-0.30 |
| P | ≤0.035 |
| S | ≤0.035 |
Available Dimensions
- Round steel bar: 10-800mm diameter
- Flat steel bar: 10-400mm thickness × 200-2200mm width
Surface Conditions
Black surface / Grinded / Machined
Hardness
Annealed HBS 217 max
Key Characteristics
- Excellent machinability for efficient processing
- High toughness and impact resistance
- Superior creep strength for long-term performance
- Repeated impact resistant capability
- Supplied in quenched and tempered conditions
Industrial Applications
- Gear wheels and pinions
- Connecting rods and mechanical components
- Parts for mechanical engineering and heavy equipment
- Components requiring high toughness and durability
Heat Treatment Guidelines
- Forging: Heat to 1150°C, minimum forging temperature 850°C
- Annealing: Heat to 830°C-850°C, cool in furnace
- Normalising: Heat to 870°C-900°C, cool in still air
- Stress Relieving: Annealed: 600°C-650°C; Hardened: 500°C-550°C
- Hardening: Heat to 830°C-880°C, quench in oil or polymer
- Tempering: Heat to 450°C-700°C, cool in still air
Contact Information
Contact Person: Mary Peng
Mobile/WhatsApp: +8615852727954
WeChat: sunny-day1111
Skype: marypeng1
Email: mary@stainlesssteel-sheetmetal.com
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Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
Contact Person
Gao Ben