Acicular Bainite Nodular Cast Iron Roll (static/centrifugal)
Acicular Bainite Nodular Cast Iron Roll is made of Ni, Mn, Cr, Mo and other alloy, it has acicular structure (Bainite+ some martensite) matrix, with higher strength than pearlite spheroidal graphite cast iron roll, as well as higher wearable resistance. Static casting and centrifuge casting are available.
Chemical Composition
Mark
C
Si
Mn
Cr
Ni
Mo
SGB Ⅰ
3.00-3.50
1.40-2.40
0.20-0.80
≤0.50
2.50-3.50
0.40-1.00
SGB Ⅱ
3.00-3.50
1.20-2.00
0.20-0.80
0.20-1.00
3.00-4.50
0.40-1.00
Performance and Application
Mark
Hardness（HS）
Tensile strength（Mpa）
Bending strength（Mpa）
Purpose
SGB Ⅰ
55-70
≥400
600-800
Finishing rack for light profile steel, rod materials and ribbon steel
