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Polished Surface Alloy Steel Round Bar 17CrNiMo6 with OD 6-630mm for Mold Steel Application
Product Details
| Model NO. | 18crnimo7-6 | Surface Treatment | Polished |
|---|---|---|---|
| Specification | OD 6-630mm | Grade | 18CrNiMo7-6 |
| Number | 1.6587 | Carbon Content | 0.15 - 0.21% |
| Silicon Content | Max 0.4% | Manganese Content | 0.5 - 0.9% |
| Nickel Content | 1.4 - 1.7% | Phosphorus Content | Max 0.025% |
| Sulfur Content | Max 0.035% | Chromium Content | 1.5 - 1.8% |
| Molybdenum Content | 0.25 - 0.35% | Tensile Strength | 1200 MPa |
| Brinell Hardness | 179 - 229 HBW | ||
| Highlight | Polished Surface Alloy Steel Round Bar,OD 6-630mm 17CrNiMo6 Steel Bar,Mold Steel Application 1.6587 Steel Bar |
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Product Description
AISI 4820 Alloy Steel Bar - Peeled/Turned 18CrNiMo7-6 Round Bar
17CrNiMo6 steel round bar hot rolled alloy bar, also known as 17Cr2Ni2MoA, meets grade specifications for 18CrNiMo7-6 (1.6587) case hardening steel according to EN 10084:2008 standards.
Technical Specifications
Grade Information
| Grade | 18CrNiMo7-6 |
|---|---|
| Number | 1.6587 |
| Classification | Alloy special steel |
| Standard | EN 10084:2008 Case hardening steels |
Chemical Composition (%) - EN 10084-2008
| C | Si | Mn | Ni | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| 0.15 - 0.21 | max 0.4 | 0.5 - 0.9 | 1.4 - 1.7 | max 0.025 | max 0.035 | 1.5 - 1.8 | 0.25 - 0.35 |
Mechanical Properties
| Nominal thickness (mm) | to 16 |
|---|---|
| Rm - Tensile strength (MPa) | 1200 |
| Brinell hardness (HBW): (+S) | 255 |
| Brinell hardness (HBW): (+A) | 229 |
| Brinell hardness (HBW): (+TH) | 179 - 229 |
| Brinell hardness (HBW): (+FP) | 159 - 207 |
International Equivalent Grades
| EU EN | Germany DIN | France AFNOR | England BS | Italy UNI | China GB | Finland SFS | Inter ISO |
|---|---|---|---|---|---|---|---|
| 18CrNiMo7-6 | 17CrNiMo6 17CrNiMo7 |
18NCD6 | 820A16 | 18NiCrMo7 | 17Cr2Ni2Mo | 511 | 18CrNiMo7 |
Product Gallery
General Applications
This alloy steel is widely used in transmission systems, tractor motors, and small to medium automotive applications. It serves as an alternative to 12CrNi3 for higher-class carburization and cyanide carburizing parts including:
- Oil drilling equipment components
- Mining claws and cones
- Carburized gears and pinions
- Shafts and bearings
- Piston rings and ring gears
- Crankshafts and other critical components
Available Stock Sizes
Round bar diameters: 12-380mm
Material Conditions & Surface Treatments
Our steel materials are available in various sizes and conditions including round bars, flat bars, plates, and blocks. Conditions range from pre-hardened, hot rolled, annealed, quenched and tempered to surface treatments such as black, pre-machined, grinding, and polished finishes.
Quality & Service Advantages
Quality Assurance
Materials sourced directly from government-owned steel mills with ISO 9001 certified quality management systems.
Timely Delivery
Speedy processing and shipment with priority treatment for all orders, ensuring shortest possible lead times.
Value-Added Services
Comprehensive support including metal cutting, sizing, machining (blanking, milling, grinding), heat treatment, and sawing services.
Flexible Ordering
Orders of any size or length accepted with unique inventory of specialty steel and excellent customer service.
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