Cast iron rolls
Alloy indefinite chilled
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Alloy indefinite chilled cast iron rolls
Description:
The roll is double poured indefinite chill iron, produced by vertical spin casting process, heat treated at low temperatures to obtain favorable stress levels and the required hardness range. This material properties provide a good resistance against thermal and mechanical impacts due to rolling incidents. Meanwhile, the characteristic hardness drop of indefinite chill rolls is minimized by the manufacturing process.
Physical properties & Application:
|
Material code |
Barrel hardness(HSD) |
Neck hardness (HSD) |
Tensile strength (Mpa) |
Application |
|
AIC I |
55-72 |
35-55 |
＞160 |
Small steel, wire rods, and finishing |
|
AIC II |
55-72 |
35-55 |
＞160 |
Small steel, wire rods,finishing&hot rolled plate, strip mill |
|
AIC III |
65-78 |
35-55 |
＞350 |
Small steel wire rod finishing &hot rolled sheets strip finishing mill |
|
SAIC |
73-83 |
35-55 |
＞350 |
Wire rod finishing & hot rolled sheets, strip finishing mill |
Chemical analysis:
|
Material code |
C |
Si |
Mn |
Ni |
Cr |
Mo |
|
AIC I |
3.1-3.4 |
0.6-0.9 |
0.5-1.0 |
0.8-2.0 |
0.7-1.3 |
0.2-0.6 |
|
AIC II |
3.1-3.4 |
0.6-1.0 |
0.5-1.0 |
2.1-3.0 |
0.7-1.5 |
0.2-0.6 |
|
AIC III |
3.1-3.4 |
0.6-1.0 |
0.5-1.0 |
3.1-4.5 |
0.8-1.3 |
0.2-1.0 |
|
SAIC |
3.1-3.4 |
0.8-1.3 |
0.5-1.0 |
3.5-4.5 |
1.2-2.0 |
0.3-1.0 |