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Buttweld End Cap Manufacturer & Supplier | Astm A403, Asme B16.9 Grades | Riddhi Siddhi Metal Impex

Buttweld End Cap Manufacturer & Supplier | Astm A403, Asme B16.9 Grades | Riddhi Siddhi Metal Impex

Buttweld End Cap Manufacturer in India

Riddhi Siddhi Metal Impex is a leading Buttweld End Cap Manufacturer,Buttweld End Cap is a essential pipe fitting that is used in the closing of the end of a piping system to ensure that it is sealed and that the pressure contained. It is created to be permanently welded and provides good strength, leak free performance and is durable in high pressure and high temperature operating conditions. Its flow efficiency and structural integrity are preserved with the help of its smooth contour.


The main characteristics of Buttweld End Cap are as follows:


  • Pipe ends are highly and permanently closed.
  • Resistant to pressure, temperature as well as corrosion.
  • Applicable to oil and gas, chemical, and power plants.
  • Made to exact specifications and finish.

Buttweld End Caps are extensively applied in the pipelines, refineries, process plants and offshore systems of industries, where the integrity of sealing is needed. Their strength of construction and quality requirements make them an adviser in the mind of engineers and contractors, and can be readily found with the help of the reputable B2B Portal networks.

Material & Grades of Butt Weld End Caps

MaterialGrade / StandardSpecificationProduct Type
Carbon SteelASTM A234 WPBASTM A234Butt Weld End Caps
Stainless SteelASTM A403 WP304ASTM A403Stainless Steel Butt Weld End Caps
Stainless SteelASTM A403 WP316ASTM A403Corrosion Resistant End Caps
Alloy SteelASTM A234 WP11ASTM A234Alloy Steel Butt Weld End Caps
Alloy SteelASTM A234 WP22ASTM A234High Temperature End Caps
Alloy SteelASTM A234 WP91ASTM A234Pressure Service End Caps
Duplex SteelASTM A815 UNS S31803 / S32205ASTM A815Duplex Butt Weld End Caps

Butt Weld End Caps – Size & Thickness Chart

Nominal SizeScheduleWall ThicknessStandard
½" – 2"SCH 40 / SCH 80Standard & Heavy WallASME B16.9
2½" – 6"SCH 40 / SCH 80Industrial GradeASME B16.9
8" – 12"SCH 40 / SCH 160Heavy Duty ServiceASME B16.9
14" – 24"SCH 20 / SCH 40Large DiameterASME B16.9

ASTM Standards

ASTM StandardDescription
ASTM A234Carbon and alloy steel butt weld fittings for moderate and high temperature service
ASTM A403Wrought austenitic stainless steel butt weld fittings
ASTM A815Duplex and super duplex stainless steel wrought fittings
ASTM A860High-strength low-alloy steel butt weld fittings

EN Standards

EN StandardDescription
EN 10253-2Carbon steel butt welding fittings
EN 10253-4Stainless steel butt welding fittings for pressure applications
EN 10204Material inspection documents and certification
EN 10216Seamless steel tubes for pressure applications

Key Features & Advantages

  • Provides secure closure for pipeline ends with strong butt weld connections.
  • Manufactured with accurate dimensions for proper fit and alignment.
  • Smooth internal profile minimizes turbulence and supports efficient flow.
  • Available in carbon steel, stainless steel, alloy steel and duplex grades.
  • Suitable for high-pressure and high-temperature industrial piping systems.



Type of Sub-products

Frequently Asked Questions

What is the use of end cap?

What is end cap molding used for?

What material is used for end caps?


Countries We Export

  • India


Cities We Supply

  • Ahmadnagar

  • Ahmadpur

  • Ahmedabad

  • Bangalore Rural

  • Bangalore Urban

  • Bengaluru

  • Chandigarh

  • Chennai

  • Coimbatore

  • Haridwar

  • Hyderabad

  • Jaipur

  • Jodhpur

  • Jodhpur (ahmedabad)

  • Kalyan

  • Kolhapur

  • Kolkata

  • Lucknow

  • Mumbai

  • Mumbai Suburban

  • Murud (raigad)

  • Nagpur

  • Nashik

  • Navi Mumbai

  • New Delhi

  • Pune

  • Raipur

  • Rajkot

  • Rampura

  • Sion, Mumbai

  • Surat

  • Thane

  • Varanasi

  • Visakhapatnam

  • Moradabad

  • Angul

  • Rudrapur

  • Hosdurg

  • Gandhinagar

  • Rajahmundry

  • Durgapur

  • Bharuch

  • Panipat


Industries We Serve

  • Sugar industry

    Sugar

  • Oil And Gas Industries industry

    Oil And Gas Industries

  • Paper Mill industry

    Paper Mill

  • Power Plant industry

    Power Plant

  • Bridge And Building industry

    Bridge And Building

  • Aerospace Industries industry

    Aerospace Industries

  • Automobile Industry industry

    Automobile Industry

  • Electrical Industry industry

    Electrical Industry

  • Defense Industry industry

    Defense Industry

  • Construction & Fabrications industry

    Construction & Fabrications

  • Ring Man Units industry

    Ring Man Units

  • Railways industry

    Railways

  • Gasket Industry industry

    Gasket Industry

  • Pharmaceuticals Industry industry

    Pharmaceuticals Industry