A403 WP304 / WP304L Stainless Steel Cap, Butt Weld Fittings B16.9, For Pressure Vessel Fabrication
A403 WP304 / WP304L Stainless Steel Cap, Butt Weld Fittings B16.9, For Pressure Vessel Fabrication
Overwiew of A403 WP304 / WP304L Stainless steel Cap
The A403 WP304 stainless steel cap is a pipe fitting used to seal the end of a stainless steel pipe, ensuring leak-proof closure in piping systems. Made from 304-grade austenitic stainless steel, it offers excellent corrosion resistance, good weldability, and durability. Manufactured according to ASTM A403 standards, this cap is commonly used in industries such as chemical processing, food and beverage, and pharmaceuticals where hygiene and corrosion resistance are critical.
Chemical Composition of ASTM A403 WP304 / WP304L
| Steel Grade | Chemical Composition | ||||||||
| C(Max) | Si(Max) | Mn(Max) | P(Max) | S(Max) | Ni | Cr | N | Mo | |
| 304 | 0.08 | 0.75 | 2.00 | 0.045 | 0.03 | 8.0–10.5 | 18.0–20.0 | 0.1 | / |
| 304L | 0.03 | 0.75 | 2.00 | 0.045 | 0.03 | 8.0–12.0 | 18.0–20.0 | 0.1 | / |
Mechanical Properties of ASTM A403 WP304 / WP304L
| Grade | Tensile Strength (MPa) minimum | Yield Strength 0.2% Proof (MPa) minimum | Elongation (% in 50mm) minimum | Hardness | |
| Rockwell B (HR B) maximu | Brinell (HB) maximu | ||||
| Stainless Steel 304 Pipe Fittings | 515 | 205 | 40 | 92 | 201 |
Equivalent of ASTM A403 WP304
| Standard System | Equivalent Grade / Spec |
|---|---|
| UNS (Unified Numbering System) | S30400 |
| EN / DIN (Europe/Germany) | 1.4301 (Material No.) |
| ISO | X5CrNi18-10 |
| JIS (Japan) | SUS304 |
| BS (British Standard) | 304S31 |
| GOST (Russia) | 08Х18Н10 (08Kh18N10) |
| AFNOR (France) | Z6CN18-09 |
Application of A403 WP304 / WP304L Stainless Steel Cap
- Chemical & Petrochemical Industry
- Food & Beverage Industry
- Water Treatment Plants
- Construction & HVAC
- Oil & Gas Industry
- Pharmaceutical Industry
- Pressure Vessels and Boilers
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