Technical Specifications for WBQ N76×1200/1600/1800/2000 |
|
Item No. |
WBQ N76×1200/1600/1800/2000 |
Material |
Q235B/Q355B |
Surface treatment |
Hot dip galvanized above 80 microns on average |
Length |
1200/1600/1800/2000mm |
Tube outer diameter |
76mm |
Pipe wall thickness |
3-4mm |
Spiral pitch |
40/50/60mm |
Spiral thickness |
2-3mm |
Spiral width |
10-20mm |
Technical Requirements
① The average thickness of hot-dip galvanizing is 80um, and the implementation standard is DIN EN ISO 1461.
② The surface shall be free of obvious deformation and welding slag Burr shall be removed.
③ Unspecified tolerance GB/1804-C, the hole position deviation is ±1mm, and the hole diameter difference is ±1mm.