Precision Stainless Steel Pipes & Fittings
Zhejiang Yimai Stainless Steel manufactures seamless and welded stainless steel pipes, flanges and fittings to ASTM, ASME and GB standards — trusted by clients in 50+ countries.
Who We Are
Welcome to Yimai Stainless Steel
Founded in Zhejiang, Yimai Stainless Steel is a professional manufacturer of stainless steel seamless pipes, flanges and pipe fittings. With advanced production lines and strict quality control, we serve the petroleum, chemical, power, food and construction industries worldwide.
ASTM / ASME / GB Standards
Seamless & Welded Pipes
Custom Sizes & Grades
Strict Quality Control
Worldwide Export Service
ISO / ASTM Certified
A Trusted Stainless Steel Manufacturer
Quality pipes, on-spec and on-time — backed by decades of metallurgical expertise.
10,000+
Tons Annual Output
200+
Product Specifications
50+
Countries Served
99.9%
Quality Pass Rate
Explore
Our Products
Small Diameter Pipe
OD 6–54mm seamless stainless steel pipe for petroleum, food and medical equipment. Standards: ASTM A312, A213, A269, GB/T 14975.
View Details
Medium Diameter Pipe
Medium-diameter seamless pipe in TP304/304L/316/316L grades for power, papermaking and chemical piping systems.
View Details
Large Diameter Pipe
Large-diameter stainless steel pipe for structural and fluid-conveying applications, meeting ASME and GB standards.
View Details
Stainless Steel Flanges
Slip-on, blind, threaded, welding-neck and socket-weld flanges in stainless and carbon steel to ASTM, ASME, DIN and JIS.
View Details
Seamless Pipe Tee
Equal and reducing tees in stainless steel, conforming to ASTM, ASME, BS, DIN, JIS, GOST and EN standards.
View Details
Seamless Pipe Elbow
45°, 90° and 180° return elbows in seamless stainless steel for high-pressure piping systems.
View DetailsQuality & Certifications
