... -handed & bedroom pass type, reduce type3. Ingredients: 45 # quality carbon steel is made4. HRB335 Sutiable HRB400 reinforced HRB500, rebar, and equivalentRelated ... million times: fatigue strength test, connect in good condition.45 # steel details1. Chemical compositionC (0.42 ~ 0.50) guimeng (0.17 ... yield strength of tensile strength mpa 600Mpa elongation > = = 16 percent Roll Forming Machine