YiZeng Product Range
Steel Pipe Products, Materials & Specifications
Compare eight product families by standard, grade, material, and manufacturing process for industrial, energy, oilfield, infrastructure, and construction requirements.
Browse by Product Category
Select a product family to view its available range.
Seamless Steel Pipe
Seamless pipe for pressure, thermal, mechanical, and process service.
Welded Steel Pipe
ERW, SSAW, and LSAW pipe for transmission, structural, and utility projects.
Galvanized Steel Pipe
Zinc-protected steel pipe and tube for exposed structural and utility service.
Hollow Section
Square and rectangular hollow sections for fabrication and structural frames.
Line Pipe
API 5L line pipe for oil, gas, water, and energy transmission systems.
Stainless Steel Pipe
Corrosion-resistant stainless pipe and tube for process, sanitary, and thermal service.
Alloy Steel Pipe
Heat-resistant alloy steel pipe for boiler, power, refinery, and high-temperature service.
OCTG Casing & Tubing
API 5CT casing and tubing for oil and gas well construction and production.
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