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Stainless Steel Pipe Caps

Stainless Steel cap has the advantages of high strength, excellent corrosion resistance, long service life, and stable and leak-proof joint. It is often used to stop the flow at the pipes end or protect pipes when transportation.

1. Stainless Steel Pipe Caps

Stainless Steel Pipe Cap is a sort of pipe fitting which covers the end of the pipe and other fittings. Pipe caps fit over or are welded onto the end of a pipe, providing a liquid or gas-tight seal.

Estan Pipe Fittings can supply stainless steel pipe end caps in standard sizes, as well as in accordance with a specification of our customers as per international standards.

  • End Cap/ Pipe Cap
  • Large Dia Pipe Cap
  • Round Pipe Cap
  • Oval Pipe Cap
  • Custom Shape Pipe Cap

2. Stainless Steel Cap Types

We can also use caps to cut off the transition and the connection types can be butt weld, socket weld, and thread connection according to users’ requirements.

Ranges from connection types, there are three types:

stainless steel cap manufacturer

2.1 Butt Weld Cap Dimensions

Stainless steel pipe caps conform to ASTM A403, ASTM A960, MSS SP-43;
Stainless steel butt weld cap dimensions conform to ASTM B16.9 (except Wall) and MSS SP-43

Size range: 1/2 to 56 inches (DN15 to DN1400)
Pressure: SCH5 to SCH160
Wall Thickness:sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s
Max. wall thickness: 200mm

2.2 Socket Weld Cap Dimensions

Socket welding pipe cap also known as high-pressure pipe cap, forging steel pipe cap, nominal size: 1/4 “- 5”, DN20-DN200, applicable medium: water, steam, oil, etc.

Dimensions Socket weld caps – 3000 LBS acc to ASME

Standard: ASME B16.11, BS3799
Diameter: 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″, 4″
Pressure Ratings: 3000LB, 6000LB, 9000LB

2.3 Threaded Cap Dimensions

These caps are female threaded. The thread can be either straight or tapered, also referred to as NPT.

threaded-pipe-cap-dimensons

3. Stainless Steel Caps Materials

Common Materials That We export:

  • Stainless Steel 304 Pipe end Caps
  • Stainless Steel 304L Pipe end Caps
  • Stainless Steel 304H Pipe end Caps
  • Stainless Steel 316 Pipe end Caps
  • Stainless Steel 316L Pipe end Caps
  • Stainless Steel 316H Pipe end Caps
  • Stainless Steel 310 Pipe end Caps
  • Stainless Steel 310S Pipe end Caps
  • Stainless Steel 317L Pipe end Caps
  • Stainless Steel 321 Pipe end Caps
  • Stainless Steel 321H Pipe end Caps
  • Stainless Steel 347 Pipe end Caps
  • Stainless Steel 347H Pipe end Caps
  • Stainless Steel 446 Pipe end Caps

4. Supply Range of Stainless Steel Cap

For Butt Weld Cap
Material Standard: ASTM A234, MSS SP-75, ASTM A403
Manufacturing Standard: ASME B16.9, DIN2615, JIS B2312
Size Range: 1/2”, 1”, 2”, 3”, 4”, 6”, 8”, 10”, 12”, 16”, 20” to 48”. (DN15-DN1200)
Thickness: SCH 10, SCH 40, SCH 80
Surface Coatings: Black Painted, Varnished, Epoxy Coated, Galvanized.

For Socket Weld Cap and Threaded Cap
Material Standard: ASTM A105, ASTM A182
Manufacturing Standard: ASME B16.11
Dimensions: 1/2”, 1”, 1/2”, 2” and up to 4”
Pressure Ratings: 2000#, 3000#, 6000#, 9000#

5. Mark and packing

Marking: material grade, standard, specification, heat no.
Surface Treatment: Bright annealed, polished outside and inside surface.
Package: knitting strip bundle, wooden box, or pallets.
Mill test certificate: according to EN 10204 3.2.
Inspection: Third-party inspection, or by clients requirements.

6. How to get high quality stainless steel cap?

There are several important specifications that the buyer should consider before making a bulk purchases of pipe caps.

  • Pipe Dimension and Shape
  • Pipe Material(Grade)
  • NPT (National Pipe Thread ) size
  • Chemical Composition
  • Mechanical Properties
  • Technology Flow chart

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