42CrMo4 4140 Alloy Steel Plate 3-150mm Thickness Black Finish for Industrial Applications
Price:
600-800 USD/Ton
MOQ:
500 kgs
Delivery Time:
5 - 12 days based on the quantity
Brand:
BAOSTEEL BENSTEEL HBIS XINGCHENG
Product Description
Product Overview
42CrMo4 / 4140 / 1.7225 / SCM440 alloy steel plate with black surface finish, available in thickness range of 3-150mm. This chrome-molybdenum alloy steel offers exceptional strength, hardenability, and toughness for demanding industrial applications.
Technical Specifications
| Product Type | Carbon Steel Plate, Alloy Steel Plate, Special Steel Plate |
|---|---|
| Thickness Range | 3.0 - 150mm |
| Width Range | 1000 - 2500mm (custom available) |
| Length Range | Up to 12 meters |
| Brand Options | BAOSTEEL, XINGCHENG, HBIS, BENSTEEL, TANGSHAN, HANSTEEL |
| Minimum Order Quantity | 1 Ton |
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.38-0.43 |
| Silicon (Si) | 0.15-0.35 |
| Manganese (Mn) | 0.75-1.00 |
| Phosphorus (P) | ≤0.035 |
| Sulfur (S) | ≤0.040 |
| Chromium (Cr) | 0.80-1.10 |
| Molybdenum (Mo) | 0.15-0.25 |
Mechanical Properties
| Condition | Tensile Strength | Yield Strength | Hardness (HB) |
|---|---|---|---|
| Normalized | 1020 MPa (148 ksi) | 655 MPa (95 ksi) | 302 |
| Annealed | 655 MPa (95 ksi) | 414 MPa (60 ksi) | 197 |
| Quenched & Tempered | 1075 MPa (156 ksi) | 986 MPa (143 ksi) | 311 |
Key Applications
- Motor shafts, pump shafts, and hydraulic shafts
- Lathe spindles and milling spindles
- Thin-walled pressure vessels
- Forged gears and high-strength bolts
- Valve bonnets, screws, nuts, and worms
- Aerospace, oil and gas, and automotive components
Heat Treatment Capabilities
Material 4140 supports various heat treatment processes including normalizing at 870°C, annealing at 790-845°C, and quenching at 830-845°C. Tempering temperatures range from 204-649°C with corresponding hardness values from 28-58 HRC.
International Equivalents
| Region | Standard | Grade |
|---|---|---|
| USA | ASTM A29/A29M | 4140 (G41400) |
| European Union | EN 10083-3 | 42CrMo4 (1.7225) |
| China | GB/T 3077 | 42CrMo |
| Japan | JIS G4105 | SCM440 |
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person
Gao Ben