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Polished Surface High Tensile Strength 34CrNiMo6 Alloy Steel Round Bar for Mold Steel Applications
Product Details
| Diameter Range | 6-630mm | Carbon Content | 0.30-0.38% |
|---|---|---|---|
| Silicon Content | Max 0.40% | Manganese Content | 0.50-0.80% |
| Chromium Content | 1.30-1.70% | Molybdenum Content | 0.15-0.30% |
| Nickel Content | 1.30-1.70% | Tensile Strength | ≥980 MPa |
| Yield Strength | ≥785 MPa | Elongation | ≥9% |
| Reduction Area | ≥40% | Impact Energy | ≥47 J |
| Forging Temperature | 1150-1200°C | Quenching Temperature | 850°C |
| Tempering Temperature | 550°C | ||
| Highlight | Polished Surface Alloy Steel Round Bar,High Tensile Strength 34CrNiMo6 Steel Bar,Mold Steel Application DIN 1.6582 Steel Bar |
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Product Description
34CrNiMo6 / 1.6582 Alloy Steel Bars and Shafts
High-strength nickel-molybdenum alloy steel bars and forged shafts manufactured to DIN 34CrNiMo6 and W-Nr 1.6582 standards. Available in round bars, square bars, flat bars, and custom forged components.
Material Specifications
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon | 0.30-0.38 |
| Silicon | Max 0.40 |
| Manganese | 0.50-0.80 |
| Chromium | 1.30-1.70 |
| Molybdenum | 0.15-0.30 |
| Nickel | 1.30-1.70 |
Mechanical Properties (Quenched & Tempered)
| Property | Value |
|---|---|
| Tensile Strength | ≥980 MPa (100 kgf/mm²) |
| Yield Strength | ≥785 MPa (80 kgf/mm²) |
| Elongation | ≥9% |
| Reduction of Area | ≥40% |
| Impact Energy (Akv) | ≥47 J |
Available Forms and Sizes
Forged Steel Components
- Round Bars: Ø80-1,000mm × 3,000-10,000mm
- Square Bars: 150×150-500×500mm × 3,000-8,000mm
- Flat Bars, Shafts, Blocks (Customizable)
Rolled Steel Bars
- Round Bars: Ø10-300mm × 3,000-10,000mm
- Custom lengths available
Dimensional Tolerances
- Black surface: -0/+8mm
- Machined surface: -0/+3mm
- Straightness deviation: 2mm/meter maximum
Heat Treatment Processes
Hardening & Tempering
- Heat uniformly to 850°C
- Quench in oil
- Temper at 550°C for minimum 2 hours
- Cool in furnace
Annealing
- Heat to 800-850°C
- Slow cool to 550°C
- Complete annealing in air
Normalizing
- Heat to 850°C
- Cool to room temperature in air
Quality Certification
- Chemical composition per DIN 7527-6, EN 10250-3
- Mechanical properties testing
- Non-metallic inclusions analysis
- Grain size: ≥5 (preferred 8) per DIN 50601
- Ultrasonic testing 360° per EN 10228-3
Industrial Applications
- High-load transmission shafts
- Engine camshafts and connecting rods
- Gears and pinions
- Bearings and piston rings
- Crankshafts and ring gears
- Mining equipment components
Forging Guidelines
- Careful preheating required
- Forging temperature: 1150-1200°C
- Maintain temperature above 850°C during forging
Why Choose Our 34CrNiMo6 Steel?
- Quality materials sourced from certified steel mills
- Competitive pricing without compromising quality
- Fast and reliable delivery services
- ISO 9001 certified quality management system
- Comprehensive value-added services available
Additional Services
- Metal cutting and sizing
- Machining (blanking, milling, grinding)
- Heat treatment services
- Sawing for small or large quantities
- Sawing-to-size capabilities
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