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Jiangsu Giant Ally Imp. & Exp. Co., Ltd.is a high-tech enterprise focusing on the designing and manufacturing of precision components.We have established a long term relationship with the world top 500 enterprises: Bombardier, Danieli, Siemens etc.
Alloy Cast Steel Roll Alloyed cast steel rolls are made of high quality steel melted with eldctric are furnace(EAF)and finished with advanced foundry and heat treatment technologies.Our rolls have mechanical properties of high tensile strength,excellent resistance to fire crack,high wearability and toughness.These rolls are mainly composed of pearlite(or temper sorbite)in the microstructure.
Chemical Element %
Brand | C | Si | Mn | Cr | Ni | Mo |
AS60A(60CrNiMnMo) | 0.55-0.65 | 0.20-0.60 | 0.60-2.00 | 1.40-2.20 | ≤0.60 | 0.30-0.60 |
AS70A(70Mn2) | 0.65-0.75 | 0.20-0.45 | 1.40-1.80 |
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AS70B(70Mn2Mo) | 0.65-0.75 | 0.20-0.45 | 1.40-1.80 | - |
| 0.20-0.45 |
AS75(75CrMo) | 0.70-0.80 | 0.20-0.45 | 0.60-0.90 | 0.75-1.00 | - | 0.20-0.60 |
AS75A(75CrNiMo) | 0.70-0.80 | 0.20-0.70 | 0.70-1.10 | 0.80-1.50 | 0.20-0.80 | 0.20-0.60 |
AS75B(75Cr3NiMo) | 0.70-0.80 | 0.20-0.60 | 0.70-1.10 | 1.50-3.60 | 0.40-1.00 | 0.20-0.80 |
Properties and Applacation
Brand | Barrel Hardness(HS) | Tensile Strength(Mpa) | Elongation Rate(%) | Applacation |
AS60A | 45-55 | 700 | 8 | Large profiled bar cogging roll; and articles that require high tenacity |
AS70A | 34-44 | 680 | 7 | Moderate and small profiled bar, stick wire cogging rolling mill, hot rolled strip cogging roll, vertical edging mill |
AS70B | 36-46 | 680 | 7 | |
AS75 | 36-46 | 680 | 6 | |
AS75A | 35-55 | 800 | 7 | |
AS75B | 40-60 | 800 | 7 | Cogging, rough rolling, hot rolled narrow steel supporting roll |
Alloy Cast Steel Roll