1、 According to diameter | ||||||||
Steel Wire | Fine Steel Bar | Thick Steel Bar | ||||||
Diameter 3 ~ 5mm | Diameter 6 ~ 10mm | Diameter greater than 22mm | ||||||
2、 According to mechanical properties | ||||||||
Grade I Reinforcement | Grade II Reinforcement | Grade III Reinforcement | Grade IV Reinforcement | |||||
235 / 420 grade | 335/455 grade | 400/540 grade | 500/630 grade |