Alloy Steel Rolls

PRODUCT DETAILS

Alloy Steel Rolls: Alloy cast steel rolls are made of high quality steel melted with variable frequency furnace 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. 
Code Chemical Composition% Surface HardnessHSD
C Si Mn Cr Ni Mo V Nb P S Barrel Neck
AS60 0.55-0.65 0.20-0.45 0.90-1.20 0.80-1.20 \ 0.20-0.45 \ \ 0.035 0.030 32-42 42
AS65 0.60-0.70 0.20-0.60 0.50-0.80 0.80-1.20 0.20-0.50 0.20-0.45     35-45 45
AS70 0.65-0.75 0.20-0.45 1.40-1.80 \ \ \ \ \ 34-44 44
AS70 0.65-0.75 0.20-0.45 1.40-1.80 \ \ 0.20-0.45 \ \ 36-46 46
AS75 0.70-0.80 0.20-0.45 0.60-0.90 0.75-1.00 \ 0.20-0.45 \ \ 36-46 46
AS40 0.35-0.45 0.20-0.60 0.60-1.20 2.00-3.50 0.80 0.30-0.70 0.05-0.15 \ 40-50   55-65 45                 50
AS50 0.45-0.55 0.20-0.60 0.60-1.20 2.00-3.00 0.30-1.00 0.30-0.70 0.05-0.15 \ 60-70 50
AS60 0.55-0.65 0.20-0.60 0.60-2.00 1.40-2.20 0.60 0.30-0.60 \ \ 50-60 50
AS50 0.45-0.55 0.30-0.60 0.60-1.10 0.40-1.50 0.30-1.00 0.20-0.70 \ \ 38-48 45
AS60 0.55-0.65 0.20-0.50 0.50-1.00 0.80-1.20 0.20-1.50 0.20-0.50 \ \ 35-45   40-50 45
AS65 0.60-0.70 0.20-0.60 0.70-1.20 0.80-1.20 \ 0.20-0.45 \ 0.06-0.10 36-46 46
AS75 0.70-0.80 0.20-0.70 0.70-1.10 0.80-1.50 0.20 0.20-0.60 \ \ 35-45   45-55  45                 50
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