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Hot Rolled SAE4340 Alloy Steel Round Bar with Polished Surface for Mold Steel Application
Detalhes do produto
| Grau de material | SAE4340 | Tratamento de superfície | Polido |
|---|---|---|---|
| Faixa de diâmetro | 6-630mm | Faixa de comprimento | 3000-6000 mm |
| Dureza | 228HB máx. | Conteúdo de carbono | 0,37-0,44% |
| Teor de silício | 0,17-0,37% | Índice do manganês | 0,50-0,80% |
| índice do cromo | 0,60-0,90% | Conteúdo de níquel | 1,25-1,65% |
| Teor de Molibdênio | 0,15-0,25% | Teor de fósforo | ≤0,025% |
| Índice de enxofre | ≤0,025% | Capacidade de produção | 500 toneladas |
| Tolerância padrão | H11 | ||
| Destacar | Hot Rolled Alloy Steel Round Bar,Polished Surface 4340 Steel Bar,Mold Steel Application SAE4340 Steel Rod |
||
Descrição de produto
ASTM A29/A29m Material SAE4340 Hot Rolled Round Bar
Annealed 228HB Max Surface Peeled Tolerances H11 Length 3-4 Meter
Hot Rolled / Forged 1.6582 4340 40CrNiMoA 34CrNiMo6 Alloy Steel Rod for Tools
Similar Grade Equivalents
| GB | AISI | DIN | JIS | EN | TOCT | ISO |
|---|---|---|---|---|---|---|
| 40CrNiMoA | 4340 | 1.6582 | SNCM439 | 41NiCrMo 7-3-2 | 40XH2MA (40XHMA) | 36CrNiMo4 |
Product Specifications
| Product Type | Diameter/Thickness (mm) | Width (mm) | Length (mm) |
|---|---|---|---|
| Round Bar | 16-600 | / | 3000-6000 |
| Plate | 16-200 | 200-800 | 3000-6000 |
Custom specifications available upon request
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 40CrNiMo | 0.37-0.44% | 0.17-0.37% | 0.50-0.80% | ≤0.025% | ≤0.025% | 0.60-0.90% | 1.25-1.65% | 0.15-0.25% |
| 4340 | 0.38-0.43% | 0.15-0.35% | 0.60-0.80% | ≤0.035% | ≤0.040% | 0.70-0.90% | 1.65-2.00% | 0.20-0.30% |
Key Features
- Chromium molybdenum alloy steel construction
- High strength and exceptional toughness
- Excellent hardenability stability and anti-overheating properties
- Superior high tensile strength with outstanding shock resistance
Typical Applications
- Heavy machinery and high-load shaft components
- Rotor shafts and turbine blades
- Critical parts requiring special performance after nitriding treatment
Packaging Specifications
20ft Container: Gross Weight 27T (5.80m × 2.13m × 2.18m)
40ft Container: Gross Weight 27T (11.8m × 2.13m × 2.18m)
40ft Container: Gross Weight 27T (11.8m × 2.13m × 2.18m)
Delivery Time
Standard Products: 15-20 days (abundant stock available)
Customized Products: 30-50 days
Full equipment capability including sawing, grinding, and polishing machines for custom specifications
Customized Products: 30-50 days
Full equipment capability including sawing, grinding, and polishing machines for custom specifications
Additional Product Range
Changfeng Tool & Die Steel Main Products
| DIN | AISI | JIS | GB (China) | Flat Bar Thickness (mm) | Flat Bar Width (mm) | Flat Bar Length (mm) | Round Bar Diameter (mm) | Round Bar Length (mm) | Manufacturing Process |
|---|---|---|---|---|---|---|---|---|---|
| 1.121 | SAE1050 | S50C | 50# | 10-450 | 155-2200 | 2000-12000 | Forged, Hot Rolled | ||
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-460 | 155-2200 | 2000-10000 | 20-200 | 2000-6000 | Forged, Hot Rolled |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 21-300 | 155-2200 | 2000-8000 | 20-200 | 2000-6000 | Forged, Hot Rolled |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200 | 155-810 | 2000-6000 | 14-80 | 3000-6000 | Forged, Hot Rolled |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | Forged, Hot Rolled |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 12-300 | 3000-6000 | Forged, Hot Rolled |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 16-400 | 3000-6000 | Forged, Hot Rolled |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | Forged, Hot Rolled |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-280 | 155-2200 | 2000-6000 | 16-450 | 3000-6000 | Forged, Hot Rolled |
Company Profile
We are a professional special steel company specializing in this industry in China since 2005. Our main products include Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Blocks.
To ensure high quality products for our customers, we maintain close cooperation with many Chinese first-class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.
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