1. Introduction
Test Standards
ISO 7348 Metallic materials-Bend test
ISO6935-1 Steel for the reinforcement of concrete - Part 1: Hot rolled plain bars
ISO6935-2 Steel for the reinforcement of concrete-Part2: Hot rolled ribbed bars
ISO6935-3 Steel for the reinforcement of concrete-Part3: Welded fabric
GB13788 Cold rolled ribbed steel wires and bars
JG190 Cold-rolled and twisted bars
JGJ/T27-2014 Standard for test methods of welded joint of reinforcing steel bars;
2. Technical Specification
Max. Bending diameter of steel bar: Sample diameter less than 40mm
working pressure:28MPa
Horizontal load of vice cylinder:60kN
Vertical piston stroke of main cylinder:350mm
Horizontal piston stoke of vice cylinders:150mm
Vertical loading speed:1-160mm/min
Bending angle:0°- 180°
Span between rolls:500mm
Size of support rolls:Φ100*100mm
Vertical test space: 500mm
Dimension of loading frame:1500*630*1900mm