Shijiazhuang BKDR Metallurgical Science & Technology Co.,Ltd
Barrel Diameter: 700mm Maximum: Unit Weight: 10mt Maximum
Packaging: Inner plastic film and outer corrugated sheet, in steel case
Place of Origin: China
Supply Ability: 1000mt/month
Certificate: ISO 9001:2008
HS Code: 84553000
Nodular Cast Iron Rolls
Also called as Spheroidal Graphite Iron Rolls (SG Iron) is considered as one of the most versatile roll materials now a days. It is produced by a small proportion of magnesium added to the melt as nickel-magnesium or alternative alloy, or as pure magnesium.
Application: Roughing Rolls for bar and wire rod mills.
Chemical composition and surface hardness
Barrel Hardness HSD
C Si Mn P S Cr Ni Mo Pearlite II 2.90-3.60 0.80-2.50 0.40-1.20 ≤0.20
0.20-1.20 2.01-2.50 0.20-0.80 55-70 Pearlite III 2.90-3.60
Neck Hardness(HSD): 35-55
Core Tensile strength: 350N/nm2 min