Pearlitic Nodular Iron Rings, Pearlitic Iron Rings
Tangshan Sinya International Trade Co., Ltd.- Casting Form Usage Count：Semi-permanent
- Casting Metal：Cast Iron
- Casting Form Material：Metal
- Casting Method：Special Casting
- Surface Treatment：Polishing
- Machining Tolerance：+,-0.01mm
Base Info
- Specification：ISO
- Transport Package：Steel Frame
- Used for：Rolling Mill
- Certification：ISO 9001:2000, ISO 9001:2008
- Standard：GB
- Trademark：none
- Origin：China
- HS Code：84553000
- Production Capacity：20000tons,Year
Description
Basic Info.
Standard GB Certification ISO 9001:2000, ISO 9001:2008 Used for Rolling Mill Transport Package Steel Frame Specification ISO Trademark none Origin China HS Code 84553000 Production Capacity 20000tons/YearProduct Description
Pearlitic Nodular Iron Rings, Roll RingsApplications: For roughing or finishing stands rolling mill of section mill, wire and rods, bars mills, finishing stands and back up rolls of strip and narrow strip mills,
Mechanical Property:
| Mechanical Property | Centrifugal Castings | Static Castings |
| Hardness of Body | HSD50-80 | HSD40-75 |
| Hardness of Neck | HSD35-48 | HSD-32-55 |
| Tensile Srength of Core | >450MPa | >300Mpa |
Chemical Analysis:
| Grade | Hardness (HSD) | C | Si | Mn | Ni | Cr | Mo | Mg | P | S |
| SGI | 40-55 | 3.2-3.7 | 1.0-2.5 | 0.5-1.0 | 0.2-0.6 | 0.2-0.6 | >0.04 | <0.2 | <0.03 | |
| SGII | 55-70 | 3.2-3.7 | 1.2-205 | 0.5-1.0 | 0.2-0.6 | 0.2-0.6 | >0.04 | <0.2 | <0.03 | |
| SGIV | 48-70 | 3.2-3.7 | 1.0-2.5 | 0.5-1.0 | 0.5-1.0 | 0.2-0.6 | 0.2-0.6 | >0.04 | <0.2 | <0.03 |
| SGV | 48-70 | 3.2-3.7 | 1.0-2.5 | 0.5-1.0 | 1.0-3.0 | 0.3-1.2 | 0.2-0.8 | >0.04 | <0.2 | <0.03 |
| SGVI | 42-52 | 2.9-3.5 | 1.5-2.4 | 0.4-0.8 | 1.0-2.5 | 0.1-0.5 | 0.4-0.8 | >0.04 | <0.2 | <0.03 |
| SGVII | 55-75 | 2.9-3.5 | 1.5-2.4 | 0.4-0.8 | 2.5-.5 | 0.1-0.5 | 0.4-1.0 | >0.04 | <0.2 | <0.03 |