14 products
Seamless Steel Pipe
Seamless pipe for pressure, thermal, mechanical, and process service.
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Carbon Steel Pipe StockASTM A53, A106, API 5L and project grades
Stainless Steel Pipe Stock304/304L, 316/316L and duplex grades
Alloy Steel Pipe StockP11, P22 and specified heat-resistant grades
Multiple Sizes AvailablePipe, tube, line pipe and hollow section
About YiZeng Pipe
Steel supply built around project requirements
YiZeng Pipe supplies steel pipe, tube, line pipe, and hollow sections for international industrial and construction projects. Our work starts with the required standard, grade, dimensions, quantity, and destination.
From production coordination and processing to inspection, documentation, and export packing, our team keeps each order aligned with the confirmed purchase specification.
Eight product familiesTechnical order reviewExport delivery support
Learn more about YiZeng →Product Categories
Find the right steel pipe family
Start with the manufacturing route and application, then confirm the exact standard, grade, dimensions, testing, finish, and delivery requirements.
15 products
Welded Steel Pipe
ERW, SSAW, and LSAW pipe for transmission, structural, and utility projects.
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12 products
Galvanized Steel Pipe
Zinc-protected steel pipe and tube for exposed structural and utility service.
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12 products
Hollow Section
Square and rectangular hollow sections for fabrication and structural frames.
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12 products
Line Pipe
API 5L line pipe for oil, gas, water, and energy transmission systems.
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15 products
Stainless Steel Pipe
Corrosion-resistant stainless pipe and tube for process, sanitary, and thermal service.
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6 products
Alloy Steel Pipe
Heat-resistant alloy steel pipe for boiler, power, refinery, and high-temperature service.
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6 products
OCTG Casing & Tubing
API 5CT casing and tubing for oil and gas well construction and production.
Explore category →Workshop & Processing
Production built for repeatable supply
Workshop operations are coordinated around dimensional control, surface handling, end preparation, and the processing required by the confirmed order.
Inspection & Testing
Checks aligned with the order specification
Inspection requirements are reviewed before supply. Depending on the product and order, the scope can include material traceability, dimensional checks, mechanical testing, nondestructive examination, surface review, and document verification.
- Material and heat-number traceability
- Dimensions, wall thickness, and surface condition
- Mechanical and agreed supplementary testing
- Mill certificates and inspection records
Steel Pipe Applications
Supply for demanding industrial systems
Product selection is matched to the service environment, design standard, pressure or structural requirements, and project documentation.
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