Australian high-way road Q345B SHS post steel farbication service
Steel post project which is come from australian government. will be used in bridge as post. All the processing must be met with AS/NZS 1554.5:2004. and all the material must be G350 minimum standard. There are 2 kinds of post, total quantity is 1840 pcs. all the welding line will be 100% tested by ulstrosonic machine. Third party inspection will be neccessary.
All the welding line must be clean. Ensure NO porosity/No Crators / No Cracks
All the raw material used to produce welded SHS ( square tube) must have certificate and third party inspect. then could be allowed to produce SHS.
All the SHS (square tube), must size tolerance must be within 1mm. all the corner must be same. welding line must be clean
Material cutting must be very smooth. flame gas must be strong enough. No ruffle
Slot must be smooth, No notch. and the all the edge must be radiused to 2mm .
Welding must be groove-weldjoint , Slope angle ≥30° 5mm distance between SHS and base plate.
Customer's inspection requests:
POST CHECK LIST
L x W x T
Location of the holes on baseplates (edge distance)
Big Slots in the front of post
2 off 10mm holes for galvanising at the hieghtest point of the RHS
2 off 20mm holes in the base plate for galvanising.
All corners, edges, holes radiused to 2mm etc.
All welds to be tested
No Crators / No Cracks
clean stop / start
Black steel - no galvanising
No notches in the holes or external edges of plates
Minimal to zero grinding accepted
no grinding on RHS (thickness reduction)
Check thickness of RHS
Radius of the SHS to be uniform on all posts and all 4 sides