|
Technical Specifications for WBQ F219×3000/3500/4000LT |
|
|
Item No. |
WBQ F219×3000/3500/4000LT |
|
Material |
Q235B/Q355B |
|
Surface treatment |
Hot dip galvanized above 80 microns on average |
|
Length |
3000/3500/4000mm |
|
Tube outer diameter |
219mm |
|
Pipe wall thickness |
6-14mm |
|
Flange outside diameter |
298-422mm |
|
Flange thickness |
12-16mm |
|
Spiral pitch |
75-150mm |
|
Spiral thickness |
5-10mm |
|
Spiral width |
50-150mm |
Technical Requirements
① Hot-dip galvanizing, with an average thickness of 80μm, in accordance with the standard DIN EN ISO 1461.
② The surface shall be free of obvious deformation, and welding slag and burrs shall be removed.
③ Unspecified tolerance: GB/T1804-V grade, hole position deviation ±1mm, hole diameter deviation ±1mm.

京公网安备 11010802043282号