All Products
-
Raian IonescuMaterial quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
Polished Surface 34CrNiMo6 Alloy Steel Round Bar with High Tensile Strength for Mold Steel Applications
Product Details
| Material Grade | 34CrNiMo6 DIN1.6582 | 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 Test | ≥47 J | Quenching Temperature | 850°C |
| Tempering Temperature | 200°C | ||
| Highlight | Polished Surface Alloy Steel Round Bar,High Tensile Strength 34CrNiMo6 Steel Bar,Mold Steel Application DIN 1.6582 Steel Bar |
||
Product Description
4140 34CrNiMo6 Barrel Type Heat Treatment Forging Alloy Steel
High-strength nickel-molybdenum alloy steel according to DIN 34CrNiMo6/1.6582 standards, supplied as forged and rolled bars with comprehensive mechanical properties suitable for demanding industrial applications.
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 |
Available Forms & Sizes
Forged Round Bars
Diameter: 80-1,000mm
Length: 3,000-10,000mm
Length: 3,000-10,000mm
Forged Square Bars
Size: 150×150-500×500mm
Length: 3,000-8,000mm
Length: 3,000-8,000mm
Rolled Round Bars
Diameter: 10-300mm
Length: 3,000-10,000mm
Length: 3,000-10,000mm
Dimensional Tolerances
- Black surface: -0/+8mm
- Machined surface: -0/+3mm
- Straightness deviation: 2mm/meter maximum
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥980 MPa |
| Yield Strength | ≥785 MPa |
| Elongation | ≥9% |
| Reduction of Area | ≥40% |
| Impact Energy (Akv) | ≥47 J |
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
This high-strength alloy steel is extensively used in transmission systems, tractor motors, automotive components, and for manufacturing heavily loaded shafts, connecting rods, gears, camshafts, bearings, piston rings, and crankshafts requiring superior mechanical performance.
Forging Guidelines
- Careful preheating required
- Forging temperature: 1150-1200°C
- Maintain temperature above 850°C during forging
Why Choose Our 34CrNiMo6 Alloy Steel?
- Quality materials sourced from reputable steel mills
- Competitive pricing with consistent quality
- Fast and reliable delivery services
- ISO 9001 certified quality management
- Comprehensive value-added services including cutting, machining, and heat treatment
Product Gallery
Recommended Products