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DIN1.6580 30CrNiMo8 Alloy Steel Round Bar with Polished Surface for High Strength Applications
Product Details
| Material Grade | 30CrNiMo8 | Standard Number | 1.6580 |
|---|---|---|---|
| Outer Diameter | 6-630mm | Carbon Content | 0.26 - 0.34% |
| Silicon Content | Max 0.4% | Manganese Content | 0.5 - 0.8% |
| Nickel Content | 1.8 - 2.2% | Chromium Content | 1.8 - 2.2% |
| Molybdenum Content | 0.3 - 0.5% | Tensile Strength | 800-1450 MPa |
| Yield Strength | 590-1050 MPa | Elongation At Fracture | 8-14% |
| Brinell Hardness | 248 - 255 HBW | Impact Energy Longitudinal | 30-45 J |
| Impact Energy Transverse | 20-27 J | ||
| Highlight | DIN1.6580 Alloy Steel Round Bar,30CrNiMo8 Steel Round Bar,Polished Surface Round Bar |
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Product Description
Alloy Steel Round Bars DIN 1.6580 30CrNiMo8
30CrNiMo8 steel round bars are hot-rolled alloy special bars manufactured to DIN 1.6580 standards, designed for quenching and tempering applications requiring high strength and toughness.
Material Specifications
| Grade | 30CrNiMo8 |
|---|---|
| Number | 1.6580 |
| Classification | Alloy special steel |
| Standard | EN 10083-3:2006, EN 10269:1999, EN 10250-3:2000, EN 10297-1:2003 |
Chemical Composition (%) - EN 10083-3:2006
| C | Si | Mn | Ni | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| 0.26-0.34 | max 0.4 | 0.5-0.8 | 1.8-2.2 | max 0.025 | max 0.035 | 1.8-2.2 | 0.3-0.5 |
Mechanical Properties (+QT Condition)
Tensile Strength (Rm) - MPa
| Diameter (mm) | to 16 | 16-40 | 40-100 | 100-160 | 160-250 | 250-330 | 330-660 |
|---|---|---|---|---|---|---|---|
| Rm | 1250-1450 | 1250-1450 | 1000-1300 | 1000-1200 | 850-1100 | 850 | 800 |
Yield Strength (Re/Rp0.2) - MPa
| Diameter (mm) | to 16 | 16-40 | 40-100 | 100-160 | 160-250 |
|---|---|---|---|---|---|
| Re/Rp0.2 | 1050 | 1050 | 900 | 800 | 700 |
Additional Mechanical Properties
| Property | Value |
|---|---|
| Impact Energy (Longitudinal) | 30-45 J at +20°C |
| Impact Energy (Transverse) | 20-27 J at +20°C |
| Elongation at Fracture (Transverse) | 8-14% |
| Reduction in Cross Section (Z) | 40-50% |
| Brinell Hardness (+A) | 248-255 HBW |
International Equivalent Grades
| EU/EN | Germany | Japan | France | England | China | Russia | ISO |
|---|---|---|---|---|---|---|---|
| 30CrNiMo8 | 30CrNiMo8 | SNCM431 | 30CND8 | 823M30 | 30Cr2Ni2Mo | 3KH3M3F | 31CrNiMo8 |
General Applications
- Transmission systems for tractors and small-to-medium automobiles
- High-class carburization and cyanide carburizing parts
- Oil drilling equipment, mining claws and cones
- Carburized gears, pinions, shafts, and bearings
- Piston rings, ring gears, and crankshafts
Available Stock Sizes
Round Bars: Diameter 12-380mm
Material Conditions & Forms
Available in round bars, flat bars, plates, and blocks with various conditions including pre-hardened, hot rolled, annealed, quenched and tempered, with surface conditions ranging from black, pre-machined, grinding, to polished finishes.
Quality & Service Commitment
Quality Assurance: Materials sourced directly from government-owned steel mills ensuring consistent high quality and competitive pricing.
Timely Delivery: Priority treatment for all orders with shortest possible lead times for both raw and finished materials.
ISO 9001 Certified: Continuous improvement of our integrated quality management system with regular audits and recertification.
Value-Added Services
- Metal cutting and sizing to specifications
- Machining services: blanking, milling, grinding
- Heat treatment processing
- Sawing for small or large quantities
- Sawing-to-size capabilities
- Unique inventory of specialty steels
- Orders of any size and length accommodated
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