pdl
Casting and Forging
Metal
Casting and Forging
Semi-permanent
Ra0.05
+/-0.15mm
GB
ISO 9001:2000
According to The Drawing
Cast Iron,Cast Steel
Steel Mill
none
Steel Frame
as per the drawing
China
845530
Product Description
Nodular Iron Roll
Mill rolls are the main spare parts and are consumed in a large amount for steel mills. We started our business first from this material since the inception. Now they are our star products. From many years' experience for the full production process, we provide our customers all the technology support from roll's melting, casting, forging, heat treatment, machining and packing. Now we have built up a world-wide reputation for carrying out both domestic and overseas markets. Our worldwide customers covered some multinational iron and steel groups in America, Southeast Asia and Europe. Our max export is 3600 tons in 2019.
| 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 |
| 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 |
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
