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| Categories | Chilled Cast Iron Rolls |
|---|---|
| Brand Name: | SEEC |
| Model Number: | Rolling mill |
| Certification: | ISO |
| Place of Origin: | China |
| MOQ: | 10 |
| Delivery Time: | 3-6months |
| Packaging Details: | Standard international package |
| Type: | Work roll backup roll intermediate roll |
| Material 1: | Cast iron and steel |
| Material 2: | Spheroidal Graphite Chilled Cast Iron |
| Standards: | ISO9001 |
| Size: | as required |
| Drawing: | as confirmed |
Chilled Cast Iron Rolls Spheroidal Graphite Chilled Cast Iron
| Steel specification | C | Si | Mn | P | S | Ni | Cr | Mo |
| ZuS140SiCrNiMo | 1.30~1.50 | 1.30~1.60 | 0.50~0.80 | ≤0.035 | ≤0.030 | 0.20~0.60 | 0.40~0.70 | 0.20~0.50 |
| ZuS150SiCrNiMo | 1.40~1.60 | 1.00~1.40 | 0.60~1.00 | ≤0.035 | ≤0.030 | 0.35~1.00 | 0.60~1.00 | 0.20~0.50 |
| ZuS160SiCrNiMo | 1.50~1.70 | 1.00~1.40 | 0.60~1.00 | ≤0.035 | ≤0.030 | 0.50~1.50 | 0.60~1.60 | 0.20~0.50 |
| ZuS170SiCrNiMo | 1.60~1.80 | 1.00~1.40 | 0.60~1.00 | ≤0.035 | ≤0.030 | 0.80~2.00 | 0.60~2.00 | 0.20~0.50 |
| Steel specification | Roll-body hardness HSD | Tensile strength Mpa |
| ZuS140SiCrNiMo | 36~46 | ≥660 |
| ZuS150SiCrNiMo | 40~50 | ≥600 |
| ZuS160SiCrNiMo | 42~52 | ≥550 |
| ZuS170SiCrNiMo | 45~55 | ≥550 |
The metallurgical structure of roll-body work layer is: Pearlite + carbide or fine pearlite + a little bainite + carbide
1.Alloy Indefinite Chilled
2.Small hardness gradient
3.Suit to medium and finish stand for bar, wire
4.For bar and rod mills
Alloy indefinite chilled cast iron roll is a cast iron with fine intercrystalline graphite evenly distributed throughout the working layer of roll barrel. The sizes, shapes and distributions of graphite and carbide are controlled by the chilling effect and the contents of alloy elements. The addition of alloy elements such as manganese, nickel, chromium, and molybdenum chages the matrix microstructure from pearlite, bainite to martensite.
This roll has small hardness gradient in the working layer of roll barrel and is suitable to medium and finishing stands for bar, wire and section mills.
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