Stainless Steel A182 F304 BSPP Threaded Cap 6000LB ASME B16.11 Pipe Fittings
Stainless Steel Pipe Cap
Threaded pipe cap is forged pipe fitting, it has female threads and connect with pipes with male threads. The main function of pipe cap is to block off or seal the end of a pipeline and stop the flow. The advantages of stainless steel threaded cap include preventing leakage, long service life, and reducing costs of pipe connection, and its usage is very simple and fast.
ZIZI ENGINEERING has an extensive inventory of finished and half finished stainless steel threaded caps, tees, elbows, couplings and other materials pipe cap, which are widely used in power plant, oil, gas, water treatment, food processing and chemical pipe systems.
BSP Cap Dimensions
| Size | 1/8" to 4" / DN6 to DN100 |
| Pressure Rating | Class 2000, 3000, 6000 |
| Standard | ASME B16.11 and BS3799 |
| Surface | Anti-rust Oil or Galvanized |
| Stainless Steel | ASTM A182 F304/304L, F304H, F316/316L, F310, F317, F321 |
| Caron Steel | ASTM A105, A350 LF2, LF3, A694 F52, F60, F65, F70 |
| Alloy Steel | ASTM A182 F1, F5, F9, F11, F12, F22, F91 |
| Duplex Steel | ASTM A182 F51, F53, F55, S 31803, S 32205, S 32550, S 32750, S 32760 |
Thread Type of Threaded Pipe Fittings
The most commonly types are NPT, BSPP, BSPT.
NPT pipe cap is National Pipe Thread Tapered type with 60 degree thread angle.
BSPP pipe cap is British standard threaded fittings with parallel thread and 55 degree thread angle.
BPPT is British standard tapered thread fitting with 55 degree thread angle.
They are not recommended to be used together.
Threaded Pipe Cap Weight
Stainless Steel Threaded Fittings
Quality Control
1. In-factory Inspection
Check the surface, marking, dimension, chemical composition and thread of SS304 threaded cap.
- Surface check: dents, die marks, porosity, undercuts.
- Clear marking: size, material grade, pressure, heat No.
- Measure the size: diameter, thickness, height of end to end, thread length.
- Test the chemical composition of SS304.
- Test the threads with go/no go gauge.
2. Third Party Inspection
- BV, SGS, LR, DNV, ABS and stamp mill test certificate
3. Certificate
ASTM A182 F304 Material
ASTM A182 F304 Chemical Composition
| C | Mn | P | S | Si | Ni | Cr | Mo |
| 0.08 | 2 | 0.045 | 0.03 | 1 | 8-11 | 8-20 | / |
ASTM A182 F304 Mechanical Properties
| Tensile Strength | Yield Strength | Elongation |
| 515 (Mpa) | 205 (Mpa) | 30 (%) |
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BSPP Stainless Steel Threaded Cap 6000LB ASME B16.11 Pipe Fittings Lightweight Images
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