| Materials: | WP304 | Size: | 1/2’NB TO 72’NB IN |
|---|---|---|---|
| Specification: | ASTM A403 | Dimension Standard: | ASME B16.9 |
| O.D.: | 1/8”NB To 48”NB | W.T.: | Schedule 10s – Schedule XXS |
SS Butt Weld Fittings ASTM A403 WP304 CAP ASME B16.9 Petrochemicals Application
Overwiew
Stainless steel butt weld pipe cap is a pipe fitting for pipe connection， butt weld pipe cap English (Pipe cap) welded to the end of the steel pipe to cover the pipe plug pipe fittings. Used to close the pipeline， the role of the same with the pipe plug， plug， with good corrosion resistance and sealing. Pipe cap relative to other pipe fittings， relatively simple， the name is very intuitive， compared to other butt-welded pipe fittings class of products process steps are also simpler， so the production cycle will be faster.
It has a semicircular shape with a certain straight edge， which enables the pipe to be inserted into it smoothly.
Conventional specifications are: DN15-DN1200; wall thickness: SCH5-SCH160; length: 25-343. can also be customized non-standard， a lot of oversized equipment needs to be customized production of the cap must be done， the production of 2 meters in diameter， 3 meters of the cap or the head are not a few.
About its surface treatment， usually， the small size of the cap will be used rolling sand surface， the surface will have a frosted feeling， wear-resistant and beautiful， showing a bright silver color， color uniformity， is domestic and foreign customers are very much like a kind of surface treatment， stainless steel butt-welded fittings， most of the use of this method.
Chemical Composition of ASTM A 403 WP304 Cap
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| ASTM A403 WP304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
Mechanical Properties of ASTM A403 WP304 Cap
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 ， MPa – 515 | Psi – 30000 ， MPa – 205 | 35 % |
Equivalent Grades of ASTM A403 WP304 Cap
| Stainless Steel | Tradename | UNS no. | Werkstoff No. | Density (g/cm3) |
| ASTM A403 WP304 | 304 Stainless | S30400 | 1.4301 | 8.0 |
Size of the Stainless Steel Cap
Application
Oil & Gas Industry
Heat Exchangers
Condensers
chemical
pharmaceutical
Petrochemicals
nuclear power
Food
