ASTM A403 WP321 321H Stainless Steel Pipe End Cap Butt Weld Fitting ASME B16.9 1/2 to 60 Inch ISO Certified
ASTM A403 WP321/321H Stainless Steel Pipe End Cap ASME B16.9 1/2-60 Inch
TOBO is a leading manufacturer of ASTM A403 WP321/321H stainless steel pipe end caps with titanium-stabilized composition for superior intergranular corrosion resistance at elevated temperatures. Ideal for high-temperature applications in power generation, boiler systems and heat exchangers.
Key Features
- Material: ASTM A403 WP321, WP321H (UNS S32100, S32109, EN 1.4541, 1.4912)
- Size Range: 1/2 inch to 60 inch (DN15-DN1500)
- Wall Thickness: Sch5S-Sch160S, STD, XS, XXS
- Type: Seamless (1/2"-48") and Welded (16"-60") Butt Weld Cap
- Standard: ASME B16.9, ASME B16.11, MSS SP-75, JIS B2312, GB/T12459
Material Advantages
321/321H is a titanium-stabilized austenitic stainless steel offering excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800-1500F (427-816C). Ideal for high-temperature service up to 1500F (816C).
Technical Specifications
| Property | Specification |
|---|---|
| Material Grade | ASTM A403 WP321 / WP321H |
| Size | 1/2"-48" (Seamless); 16"-60" (Welded) |
| Wall Thickness | Sch5S-Sch160S, STD, XS, XXS |
| Manufacturing | Push, Press, Forge, Cast, Cold Formed |
| Max Service Temp | Up to 1500F (816C) |
| Certification | ISO9001, TUV, SGS, BV, ABS, LR, DNV, API, PED |
Applications
Specifically designed for high-temperature service in thermal power plants, boiler systems, heat exchangers, furnace parts, aerospace components, petroleum refining, and chemical processing.
Package and Delivery
Standard Shipping Package. Delivery within 15-30 workdays. FOB Shanghai.
Contact TOBO today for WP321/321H stainless steel pipe end cap pricing and availability.
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