CODE | AIC I | AIC II | AIC III | SAIC | ||||
C | 3.1-3.4 | 3.1-3.4 | 3.1-3.4 | 3.1-3.4 | ||||
Si | 0.6-0.9 | 0.6-1.0 | 0.6-1.0 | 0.8-1.3 | ||||
Mn | 0.5-1.0 | 0.5-1.0 | 0.5-1.0 | 0.5-1.0 | ||||
Ni | 0.8-2.0 | 2.1-3.0 | 3.1-4.5 | 3.4-4.5 | ||||
Cr | 0.7-1.3 | 0.7-1.5 | 0.8-1.3 | 1.2-2.0 | ||||
Mo | 0.2-0.6 | 0.2-0.6 | 0.2-1.0 | 0.3-1.0 | ||||
Barrel hardness(HS) | 55-72 | 55-72 | 65-78 | 78-83 | ||||
Neck hardness(HS) | 35-55 | 35-55 | 35-55 | 35-55 | ||||
Tensile strength(Mpa) | >160 | >160 | >350 | >350 | ||||
Application | Small steel,wire rods,finishing,hot rolled plate,strip mill, strip finishing mill | |||||||
Barrel diameter≤1400mm Barrel length ≤4600mm |