ZIZI ENGINEERING CO.,LTD
ZIZI ENGINEERING CO., LTD
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Stainless Steel Pipe Nipples Barrel Nipple Stainless Steel Screwed Pipe Fittings
Stainless steel nipple can be made by seamless and welded pipes, the common grades are ASTM A312 TP 304 & 316 & 321 & 310S. They are mostly used for pressure piping applications. Our stainless steel pipe fittings limit types of localized corrosion and are indispensable to applicatons requiring compact but flexible seals. Restraining deformities and cracks under high temperatures.
Zizi Engineering is one of the top manufacturer, exporter and supplier of steel pipe fittings & flanges which are available in various sizes, dimension and shapes according to our client’s requirement. We are at the forefront of innocation in both product lines and after seals services. That's why we constantly upgrade our pipe fittings and services to meet market expecations and demands, We re reputed as an execllent quality STAINLESS STEEL 304 and 316 fittings suppliers in the industry.
Specification of SS Pipe Nipples
| Standard | ASTM A733 |
| Size | 1/8” NB to 12” NB / DN 6 to 300 |
| Schedule | STD, XS, Sch 40S, Sch 80S, Sch 160 |
| Type | Seamless or Welded |
| Grade | ASTM A240, ASTM A312 304/304L/304H, 316/316L/316H, 321, 310S, 947 |
Steel Pipe Nipple End Types
PBE=Plain Both Ends
PLE=Plain Large End
PSE=Plain Small End
POE=Plain One End
TOE=Thread One End
TBE=Thread Both Ends
Stainless Steel Pipe Nipples Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
| WP304 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 18 - 20 | 8.0 - 11.0 | - |
| WP304H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 18 - 20 | 8.0 - 11.0 | - |
| WP304L | 0.03 | 1.0 | 2.0 | 0.045 | 0.03 | 18 - 20 | 8.0 - 12.0 | - |
| WP316 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 16.0 - 18.0 | 10.0 - 14.0 | 2.0 - 3.0 |
| WP316H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 16.0 - 18.0 | 10.0 - 14.0 | 2.0 - 3.0 |
| WP316L | 0.03 | 1.0 | 2.0 | 0.045 | 0.03 | 16.0 - 18.0 | 10.0 - 15.0 | 2.0 - 3.0 |
| WP321 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 19.0 | 9.0 - 12.0 | - |
| WP321H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 19.0 | 9.0 - 12.0 | - |
| WP347 | 0.08 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 20.0 | 9.0 - 13.0 | - |
| WP347H | 0.04 - 0.1 | 1.0 | 2.0 | 0.045 | 0.03 | 17.0 - 20.0 | 9.0 - 13.0 | - |
Stainless Steel Pipe Nipples Mechnical Properties
| Grade | Tensile Strength (Mpa) | Yield Tensile (Mpa) | Elongation (%) | Hardness (HB) |
| WP304 | 515 | 205 | 28 | - |
| WP304H | 515 | 205 | 28 | - |
| WP304L | 485 | 170 | 28 | - |
| WP316 | 515 | 205 | 28 | - |
| WP316H | 515 | 205 | 28 | - |
| WP316L | 485 | 170 | 28 | - |
| WP321 | 515 | 205 | 28 | - |
| WP321H | 515 | 205 | 28 | - |
| WP347 | 515 | 205 | 28 | - |
| WP347H | 515 | 205 | 28 | - |
Delivery
Within 15 days or asap if we have stock.
Types of Packing
Carton
Wooden Case
Crates ( Steel/Wooden)
Features
End of steel pipe nipples are protected by plastic caps.
Bundles strapped with plastic strips
Packing list laminated with case/crate.
Application Industries