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Hot Rolled Annealed 228HB Surface Peeled Alloy Steel Round Bar ASTM A322 SAE4340 40CrNiMoA
Productdetails
| Diameterbereik | 6-630 mm | Oppervlaktebehandeling | Gepolijst |
|---|---|---|---|
| Legeringstype | Legering | Ronde balkdiameter | 16-600 mm |
| Lengte ronde staaf | 3000-6000 mm | Plaatdikte | 16-200mm |
| Plaatbreedte | 200-800 mm | Plaatlengte | 3000-6000 mm |
| Koolstofgehalte | 0,37-0,44% | Siliciumgehalte | 0,17-0,37% |
| Mangaaninhoud | 0,50-0,80% | chromiuminhoud | 0,60-0,90% |
| Nikkelinhoud | 1,25-1,65% | Molybdeengehalte | 0,15-0,25% |
| Productiecapaciteit | 500TON | ||
| Markeren | Hot Rolled Alloy Steel Round Bar,Annealed 228HB 4340 Steel Round Bar,Surface Peeled 40CrNiMoA Steel Round Bar |
||
Productomschrijving
ASTM A322 SAE4340 Hot Rolled Round Bar
Annealed 228HB Surface Peeled with H11 Tolerances
Hot Rolled / Forged Alloy Steel Rod for Tools
High-quality 1.6582 4340 40CrNiMoA 34CrNiMo6 alloy steel rods designed for demanding industrial applications.
International 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
| Element | 40CrNiMo | 4340 |
|---|---|---|
| C | 0.37-0.44% | 0.38-0.43% |
| Si | 0.17-0.37% | 0.15-0.35% |
| Mn | 0.50-0.80% | 0.60-0.80% |
| P | ≤0.025% | ≤0.035% |
| S | ≤0.025% | ≤0.040% |
| Cr | 0.60-0.90% | 0.70-0.90% |
| Ni | 1.25-1.65% | 1.65-2.00% |
| Mo | 0.15-0.25% | 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 Information
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 Timeline
Standard Products: 15-20 days (abundant stock available)
Customized Products: 30-50 days
Customized Products: 30-50 days
Full equipment capability including sawing, grinding, and polishing machines to meet custom specifications.
Additional Product Range
| DIN | AISI | JIS | GB (China) | Flat Bar Size (mm) | Round Bar Size (mm) | Technics |
|---|---|---|---|---|---|---|
| 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 | Various |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 21-300×155-2200×2000-8000 | 20-200×2000-6000 | Various |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200×155-810×2000-6000 | 14-80×3000-6000 | Various |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200×155-810×2000-6000 | 20-200×3000-6000 | Various |
| 1.2083 | 420 | - | 4Cr13 | 10-500×155-1200×2000-6000 | 12-300×3000-6000 | Various |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500×155-1600×2000-6000 | 16-400×3000-6000 | Various |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200×155-810×2000-6000 | 20-200×3000-6000 | Various |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-280×155-2200×2000-6000 | 16-450×3000-6000 | Various |
About Changfeng Tool & Die Steel
Professional special steel company specializing in tool and die steel since 2005. Our comprehensive product range includes Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel, and Forged Blocks.
We maintain close partnerships with China's premier special steel manufacturers including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, and Daye Special Steel to ensure consistent high-quality products.
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