→Used in mechanical properties of upper bowel-coupler and lower bowel-coupler.
→Used for strength test of bell shape cap,welding strength of bowl shape socket,compression strength of jack supports,welding strength of flat tube cross,etc.
→Used in anti-sliding,anti-fructure,torsion rigidity,tensile and compression properties for steel tube scaffold couplers,right angle coupler,swivel coupler,sleeve coupler and base-plate,diameter of steel tube Φ48.3mm,Φ51.0mm, Φ60.3mm.
Test Standards
→DIN EN39 Loose steel tubes for tube and coupler scaffolds-Technical delivery conditions; German version EN 39:2001
→DIN BS NF EN 74-1 Couplers, spigot pins and base plates for use in false work and scaffolds-Part 1: Couplers for tubes-Requirements and test procedures
→DIN BS NF EN74-2 Couplers, spigot pins and base plates for use in false work and scaffolds-part 2 :Special couplers-Requirements and test procedures；germane version EN 74：2008
→EN 12812-2008 False work-Performance requirements and general design
→BS 1139-1.2- Metal scaffolding-Tubes- Specification for Aluminium tube
→JIS A8951 Tubular steel scaffolds
→ANSI/SSFI SC100 Standards for Testing and Rating Scaffold Assemblies and Components
