WDW-100J, 120J, 100KN, 120KN testing machine for bowl-coupler type steel tube scaffolding member

• GB 24911-2010 bowl-coupler type steel tube scaffolding member
  JGJ231-2010 technical specification for safety of disk lock steel tubular scaffold in construction
• GB/T 3091-2008 Welded steel pipes for low pressure liquid delivery (ISO559:1991,NEQ)

• Function of testing machine:
• Fastener made of capable of foring and casting is used in scaffold, headframe, strut of mould,  of which tube is used in building, administration, water conservancy, chemical industry, metallurgy, coal industry, ship engineeering.
• Wheel button, disc, card type of scaffold

• Testing item and content of bowl button scaffold member :
  Strength testing of upper bowl button, welding strength of lower bowl button scaffold, ajoining strength testing for cross bar, welding strength testing for ajoining of cross bar, pressing strength testing for adjusting seating.

• Mechanics testing for steel pipe: entire tensile of steel pipe, adopting 600KN hydraulic pressure universal testing machine.

• cast steel and forging cast iron mechanical property for upper bowl button: adopting 300KN, 600KN hydraulic pressure universal testing machine or electronic universal testing machine.

• Carbon cast steel mechanical property for lower bowl button: adopting 100KN, 300KN, 600KN hydraulic pressure universal testing machine or electronic universal testing machine.

• Carbon cast steel mechanical property for connecting of cross bar and oblique bar: adopting 100KN, 300KN, 600KN hydraulic pressure universal testing machine and electronic universal testing machine.

• Seating screw Q235: adopting 100KN, 300KN, 600KN hydraulic pressure universal testing machine and electronic universal testing machine.