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Nodular cast iron roll
The metallographic structure is fine pearlite cementite spheroidal graphite, which has good thermal conductivity, high tensile strength and good wear resistance.
Classification:
Key words:
Alloy cast steel roll
Semi-steel roll
Product Description
The metallographic structure is fine pearlite cementite spheroidal graphite, which has good thermal conductivity, high tensile strength and good wear resistance.
Chemical composition%
| Code | C | Si | Mn | P | S | Ni | Cr | Mo |
| SGIV | 2.90-3.60 | 0.80-2.50 | 0.40-1.20 | ≤ 0.10 | ≤ 0.03 | 0.50-1.00 | 0.20-0.60 | 0.20-0.80 |
| SGV | 2.90-3.60 | 0.80-2.50 | 0.40-1.20 | ≤ 0.10 | ≤ 0.03 | 1.01-2.00 | 0.20-1.20 | 0.20-0.80 |
Performance and Application%
| Code | Hardness | |
| Roll body | roll neck | |
| SGIV | 45-65 | 35-45 |
| SGV | 55-70 | 35-45 |
Uses: profiles, wire and bar rough, medium rolling stand; hot rolled plate with steel finishing two rolls, vertical rolls, etc.
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