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- Spiral submerged arc welded steel pipe HSAW/SSAW used in bridge or port piling projects
- Spiral welded steel pipe HSAW/SSAW used in bridge or port piling projects
- Piling projects spiral welded steel pipe with ASTM A252 GR.2
- ASTM A252 Spiral submerged arc welded pipe used for piles in port or bridge.
- Piles pipes produced by Spiral submerged arc welded pipe
- Spiral submerged arc welded steel pipe
- IRRIGATION USED 6 INCH HOT DIPPED GALVANIZED STEEL PIPE
- 48" Spiral submerged arc welded pipe used for piles in port or bridge.
- DN800mm 914mm Large Diameter ssaw Spiral Welded Steel Pipe
- 762mm with anti-corrosion coated Spiral welded steel pipe for hydrostatic projects
- gas oil transport steel tube Carbon Spiral Welded Steel Pipe
- API 5L Large Diameter SSAW Spiral Steel Pipe
- API 5l standard large diameter spiral pipe ssaw steel pipe with black painting
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- SSAW SPIRAL STEEL PIPE LARGE PIPE LINE FOR GAS AND PETROLEUM
- Youfa SSAW Spiral Welded Steel Pipe for Sale
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- Spiral submerged arc welded pipe used for piling
- Spiral submerged arc welded pipe used for piling projects in bridge or port or offshore
- API 5L PSL1 PSL2 SSAW /Spiral Welded Steel Pipes from China factory
- Spiral submerged arc welded pipe used for piles projects or water transportation project
- Spiral submerged arc welded steel pipes
- HSAW welded steel pipe with ASTM A252 GR.2 standard
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- hot rolled corrugated round SSAW spiral steel pipe for sale
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- Spiral welded pipe used for piling
- API 5L SSAW Welded Spiral Steel Pipe manufacturer in Tianjin
- Spiral submerged arc welded pipe used for water transportation project
- SSAW/HSAW welded pipe used for piles in port or bridge.
- HSAW welded steel pipe with ASTM A252 GR.3 standard used for piles
- ASTM A252 GR.2 Piling projects used SAWH/SSAW welded steel pipe
- ASTM A 795 BLACK WELDED AND SEAMLESS STEEL PIPE FOR FIRE PROTECTION USE
- ASTM A 53 GRADE B SCH 40 FOR LIGHT -WEIGHT FIRE PROTECTION PIPE
- ASTM A179 Fire Protection Pipes with Red RAL3000 from Tianjin YF Steel Factory
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- astm a 795 fire steel pipes red color ral3000 steel pipe for fire protection
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- High quality API seamless steel pipe for petroleum pipeline,API oil pipes/tubes
- astm a53 a106b carbon seamless steel pipe
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- DN 200 219mm 8 inch MS Seamless Pipe Price and Size with Black Painted
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- API seamless steel pipe used for petroleum pipeline
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- API 5L GR B black seamless steel pipe
