Casting Method: | Sand Casting |
---|---|
Casting Form Material: | Metal |
Casting Metal: | Cast Iron |
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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