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West of the Credit Cooperative in Bobei Village, Gaozhai Town, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province

Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

The main issue in producing large-diameter straight seam rolled pipes is welding. As long as they can pass the non-destructive testing, the delivery requirements are relatively broad compared to other products.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

The main detection method for large-diameter straight seam rolled pipes is ultrasonic flaw detector, and the longitudinal welds on the same section of the rolled pipe should not exceed two.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

The main detection method for large-diameter straight seam rolled pipes is ultrasonic flaw detector, and the longitudinal welds on the same section of the rolled pipe should not exceed two.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

The main detection method for large-diameter straight seam rolled pipes is ultrasonic flaw detector, and the longitudinal welds on the same section of the rolled pipe should not exceed two.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

Large caliber straight seam rolled pipe products are widely used in petroleum, chemical, natural growth gas transportation, pile driving, urban water supply, heating, gas supply and other engineering projects.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

Large caliber straight seam rolled pipe products are widely used in petroleum, chemical, natural growth gas transportation, pile driving, urban water supply, heating, gas supply and other engineering projects.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

Large caliber straight seam rolled pipe products are widely used in petroleum, chemical, natural growth gas transportation, pile driving, urban water supply, heating, gas supply and other engineering projects.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

Large caliber straight seam rolled pipe products are widely used in petroleum, chemical, natural growth gas transportation, pile driving, urban water supply, heating, gas supply and other engineering projects.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

Large caliber straight seam rolled pipe products are widely used in petroleum, chemical, natural growth gas transportation, pile driving, urban water supply, heating, gas supply and other engineering projects.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

Large caliber straight seam rolled pipe products are widely used in petroleum, chemical, natural growth gas transportation, pile driving, urban water supply, heating, gas supply and other engineering projects.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

Large caliber straight seam rolled pipe products are widely used in petroleum, chemical, natural growth gas transportation, pile driving, urban water supply, heating, gas supply and other engineering projects.
Large-diameter straight seam submerged arc welded steel pipe

Large-diameter straight seam submerged arc welded steel pipe

The main detection method for large-diameter straight seam rolled pipes is ultrasonic flaw detector, and the longitudinal welds on the same section of the rolled pipe should not exceed two.
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