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Raian IonescuMaterielle Qualität sehr gut. wir haben, zusammenzuarbeiten mehr als 10 Jahre. Sie handeln Losarten des Stahlmaterials. Alle materielle Qualitätsware. Sie Aufgabe für alle materielle Qualität. Wir planieren fortzufahren, mit ihnen in der Zukunft zusammenzuarbeiten
Polished Surface High Tensile Strength SAE 4340 Alloy Steel Round Bar for Mold Steel Application
Produktdetails
| Modell Nr. | SAE 4340 | Oberflächenbehandlung | Poliert |
|---|---|---|---|
| Legierungstyp | Legierung | Durchmesserbereich | 6-630mm |
| Chemisches C | 0,37–0,44 % | Chemisches Si | 0,17–0,37 % |
| Chemisches Mn | 0,50–0,80 % | Chemische P | ≤0,025 % |
| Chemische S | ≤0,025 % | Chemisches Cr | 0,60–0,90 % |
| Chemisches Ni | 1,25–1,65 % | Chemisches Mo | 0,15–0,25 % |
| Durchmesser der runden Stange | 16 bis 600 mm | Plattenstärke | 16-200mm |
| Plattenbreite | 200 bis 800 mm | ||
| Hervorheben | Polished Surface Alloy Steel Round Bar,High Tensile Strength 4340 Steel Round Bar,Mold Steel Application SAE 4340 Round Bar |
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Produkt-Beschreibung
SAE 4340 Alloy Steel Round Bar
Hot rolled/forged 1.6582 4340 40CrNiMoA 34CrNiMo6 alloy steel rod for tools and industrial applications.
Similar Grades
| GB | AISI | DIN | JIS | EN | TOCT | ISO |
|---|---|---|---|---|---|---|
| 40CrNiMoA | 4340 | 1.6582 | SNCM439 | 41NiCrMo 7-3-2 | 40XH2MA (40XHMA) | 36CrNiMo4 |
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
- High strength and toughness
- Excellent hardenability and anti-overheating stability
- Superior high tensile strength with shock resistance
Typical Applications
- Heavy machinery and high-load shafts
- Rotor shafts and blades
- Critical components requiring nitriding treatment
Packaging Details
20ft Container: Gross Weight 27T (5.80m × 2.13m × 2.18m)
40ft Container: Gross Weight 27T (11.8m × 2.13m × 2.18m)
Delivery Time
Stock items: 15-20 days
Custom products: 30-50 days
Full equipment capability including sawing, grinding, and polishing machines for custom specifications.
Additional Steel Products
| DIN | AISI | JIS | GB | Flat Bar Thickness (mm) | Flat Bar Width (mm) | Flat Bar Length (mm) | Round Bar Diameter (mm) | Round Bar Length (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 | |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 21-300 | 155-2200 | 2000-8000 | 20-200 | 2000-6000 | |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200 | 155-810 | 2000-6000 | 14-80 | 3000-6000 | |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 12-300 | 3000-6000 | |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 16-400 | 3000-6000 | |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-280 | 155-2200 | 2000-6000 | 16-450 | 3000-6000 |
About Our Company
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, we maintain close cooperation with leading Chinese 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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