Overview:
The WP316L end cap is a crucial component in piping systems, particularly in industries such as oil and gas, chemical processing, and pharmaceuticals. Made from 316L stainless steel, it offers excellent corrosion resistance, making it suitable for harsh environments where exposure to corrosive materials is common.
Its low carbon content enhances resistance to intergranular corrosion, especially in welded areas. The end cap typically features a smooth finish, ensuring minimal turbulence in fluid flow and facilitating easy cleaning.
In terms of dimensions, these caps comply with various standards, ensuring a universal fit for different pipe sizes. Installation is straightforward, often requiring welding or threading, enabling secure sealing of the pipe ends to prevent leaks.
The WP316L end cap is also favored for its mechanical properties, like strength and durability, providing long-term reliability. Overall, its versatility and performance make it vital for maintaining the integrity of piping systems.
Specification:
Standard | ASTM A403/ASME SA403 |
Material | WP316L;1.4404 |
Type | Buttweld Cap |
Connection | Welding |
Size | 1/2"-48"(DN15-DN1200) or custom size |
Thickness | SCH10S-XXS(2-60mm) |
Surface | Sand Blasting |
Packing | Plywood case/Pallet |
Chemical Composition:
Grade | C | Mn | P | S | Si | Ni | Cr | Mo |
WP316L | 0.03 max | 2.0 max | 0.045 max | 0.03 max | 1.00 max | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 |
Mechanical Properties:
Grade | Yield Strength, min, ksi [MPa] | Tensile Strength, min, ksi [MPa] | Elongation % |
WP316L | 25(170) | 70(485) | 28 |
Dimension for BW Cap:
| |||||
Nominal Size | Out Diameter at Bevel (mm) | Length (mm) | Limiting Wall Thickness for Length E (mm) | ||
DN | NPS | O.D. | E | E1 | |
15 | 1/2 | 21.3 | 25 | 25 | 4.57 |
20 | 3/4 | 26.7 | 25 | 25 | 3.81 |
25 | 1 | 33.4 | 38 | 38 | 4.57 |
32 | 1 1/4 | 42.2 | 38 | 38 | 4.83 |
40 | 1 1/2 | 48.3 | 38 | 38 | 5.08 |
50 | 2 | 60.3 | 38 | 44 | 5.59 |
65 | 2 1/2 | 73.0 | 38 | 51 | 7.11 |
80 | 3 | 88.9 | 51 | 64 | 7.62 |
90 | 3 1/2 | 101.6 | 64 | 76 | 8.13 |
100 | 4 | 114.3 | 64 | 76 | 8.64 |
125 | 5 | 141.3 | 76 | 89 | 9.65 |
150 | 6 | 168.3 | 89 | 102 | 10.92 |
200 | 8 | 219.1 | 102 | 127 | 12.7 |
250 | 10 | 273.0 | 127 | 152 | 12.7 |
300 | 12 | 323.8 | 152 | 178 | 12.7 |
350 | 14 | 355.6 | 165 | 191 | 12.7 |
400 | 16 | 406.4 | 178 | 203 | 12.7 |
450 | 18 | 457.0 | 203 | 229 | 12.7 |
500 | 20 | 508.0 | 229 | 254 | 12.7 |
550 | 22 | 559.0 | 254 | 254 | 12.7 |
600 | 24 | 610.0 | 267 | 305 | 12.7 |
650 | 26 | 660.0 | 267 | ... | ... |
700 | 28 | 711.0 | 267 | ... | ... |
750 | 30 | 762.0 | 267 | ... | ... |
800 | 32 | 813.0 | 267 | ... | ... |
850 | 34 | 864.0 | 267 | ... | ... |
900 | 36 | 914.0 | 267 | ... | ... |
950 | 38 | 965.0 | 305 | ... | ... |
1000 | 40 | 1016.0 | 305 | ... | ... |
1050 | 42 | 1067.0 | 305 | ... | ... |
1100 | 44 | 1118.0 | 343 | ... | ... |
1150 | 46 | 1168.0 | 343 | ... | ... |
1200 | 48 | 1219.0 | 343 | ... | ... |
GENERAL NOTE: The shape of these caps shall be ellipsoidal and shall conform to the requirements given in the ASME Boiler and Pressure Vessel Code. NOTES: (1) Length E applies for thickness not exceeding that given in column “Limiting Wall Thickness for Length, E.” (2) Length E1 applies for thickness greater than that given in column “Limiting Wall Thickness for Length, E” for NPS 24 and smaller. For NPS 26 and larger, length E1 shall be by agreement between the manufacturer and purchaser. |
Application:
1. Marine Environments: Used in shipbuilding and offshore platforms due to resistance to saltwater corrosion.
2. Chemical Processing: Ideal for piping systems that handle aggressive chemicals, ensuring safety and durability.
3. Food and Beverage Industry: Employed in sanitary applications to prevent contamination and maintain hygiene.
4. Pharmaceutical Industry: Utilized in systems that require high purity and resistance to chemical attack.
5. Oil and Gas Industry: Commonly found in pipelines and storage tanks where resistance to high pressure and temperature is critical.
6. Power Generation: Used in heat exchangers and other components in power plants.
7. Water Treatment: Applied in systems that require corrosion resistance when handling treated and untreated water.