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Technical Specifications for WBQ N68×580/700 |
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Item No. |
WBQ N68×580/700 |
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Material |
Q235B/Q355B |
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Surface treatment |
Hot-dip galvanizing above 45 microns on average |
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Length |
580/700mm |
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Tube outer diameter |
68mm |
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Pipe wall thickness |
2mm |
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Spiral pitch |
40mm |
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Spiral thickness |
2mm |
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Spiral width |
10mm |
Technical Requirements
- The average thickness of hot-dip galvanizing is 45um, and the implementation standard is DIN EN ISO 1461.
- The surface shall be free of obvious deformation and welding slag Burr shall be removed.
- Unspecified tolerance GB/1804-C, the hole position deviation is ±1mm, and the hole diameter difference is ±1mm.

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