China Scaffolding Test Standard:GB 15831-2006
Steel tube scaffold couplers
Test item:
Right angle couplers
1 Slipping force
2 Torsional rigidity
3 Failure force
4 Appearance
Swivel couplers
1 Slipping force
2 Failure force
3 Appearance
Sleeve couplers
1 Pull force
2 Appearance
Base-plate
1 Press force
2 Appearance