1. Introduction
Used in 180 degrees bending test and check whether there is crack after test in bending plastic deformation for plain round bar, ribbed bar, straight steel bar, steel tube, etc.
Used for bending test of steel bar for HPB235,HPB300,HRB335/HRBF335,HRB400/HRBF400,HRB500/HRBF500,CRB550,CTB550/CTB650 (Diameter less then 40mm).
2. Test Standards
- GB/T232 Metallic materials-Bend test；(ISO 7348:2005.MOD)；
- GB1499.1 Steel for the reinforcement of concrete - Part 1: Hot rolled plain bars(ISO6935-1:NEQ)；
- GB1499.2 Steel for the reinforcement of concrete-Part2: Hot rolled ribbed bars(ISO6935-2:NEQ)；
- GB1499.3 Steel for the reinforcement of concrete-Part3: Welded fabric(ISO6935-3:NEQ)；
- 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；
3. Technical Specification
| Max. Bending diameter of steel bar |
Sample diameter less than 40mm |
| Working pressure |
28MPa |
| Loading speed |
1-160mm/min |
| Span between rolls |
0-500mm |
| Size of support roll |
ø100*100mm |
| bending test space |
500mm |
| piston stroke |
350mm |
| working power |
3 phase, 380VAC, 50Hz |
| power |
1.1kW |
| dimension of loading frame |
800*630*1900mm |
