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Technical Specifications for WBQ DD76×1200/1600/1800/2000 |
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Item No. |
WBQ DD76×1200/1600/1800/2000 |
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Material |
Q235B/Q355B |
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Surface treatment |
Hot dip galvanized above 80 microns on average |
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Length |
1200/1600/1800/2000mm |
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Tube outer diameter |
76mm |
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Pipe wall thickness |
3-4mm |
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Spiral pitch |
75/100/120mm |
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Spiral thickness |
4-6mm |
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Spiral outer diameter |
176/189/256mm |
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.

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