Metal-Tech Engineers-An ISO Certified Company

AN ISO 9001:2008 Certified Company


manufacture and market Buttweld Fittings

We engineer, manufacture and market Buttweld Fittings and high nickel alloys.

We manufacture & export world-class performance Buttweld Fittings

Carbon Steel Buttweld Fittings -







Buttweld Fittings is a type of pipe fitting is defined as a part used in a piping system, Welding a fitting to the pipe means it is permanently leakproof. We are a largest pipe fitting manufacturer for all type of industries in India & shipping worldwide. We can manufacture all 3 groups of Fittings such as Buttweld (BW) fittings, Socket Weld (SW) fittings & Threaded (THD) fittings as per ASME B16.11 standards & other International standards. Metal-Tech Engineers continues to meet customers’ needs through global quality standards from original design to distribution. Metal-Tech Engineers manufactures to global standards.

We are one of the leading importer, stockholder, suppliers & exporters dealing in Buttweld Fittings since 1990. When procuring raw materials to manufacture Buttweld Fittings, our primary responsibility is to ensure that same quality and consistency exists in our supply base.

Buttweld Fittings Specification

Stainless Steel Buttweld Fittings | Carbon Steel Buttweld Fittings | Nickel Alloys Buttweld Fittings | Monel Buttweld Fittings | Alloy Steel Buttweld Fittings | Mild Steel Buttweld Fittings

  • Fittings Type:

    Butt Weld Fittings:
    LR & SR Elbows, Tees, Ecc., and Conc., Reducers & Caps 
    Forged Fittings:
    Socket Weld, Threaded fittings, Pipe nipple and Swage nipple and Butt welding outlets

  • Standards:

    ASME B16.9, ASME B16.28, and ASME B16.25
    ASME B16.11, and MSS-SP 97

  • Material and Grades: 

    Carbon Steel:
    ASTM A234 Gr. WPB
    ASTM A420 Gr. WPL6
    ASTM A105
    ASTM A350 Gr. LF2 
    Stainless Steel:
    ASTM A403 WP316/316L
    ASTM A403 WP304/304L
    ASTM A182 F316L, 304L

  • Available Sizes:

    Butt Weld Fittings: ½’’ to 102’’
    Forged Fittings: 1/8’’ to 4’’
    Outlets: Up to 36’’

    Other grades or sizes may be available upon request.



Buttweld Fittings Packaging

Package details: Each order is packaged according to the customer’s standards including preparation for export such as wooden case, pallet or according to customer's requirement

All shipping documentation is provided for seamless delivery from mill to customer.

We export to:

Buttweld Fittings exporter, manufacturer & suppliers in Dubai, Saudi Arabia, Qatar, West Africa, Russia, Kuwait etc.

ASTM Grades

Material Fittings Flanges
Carbon Steel

A234 Gr WPA


A234 Gr WPB


A234 Gr WPC


Carbon Steel

A234 Gr WP1

A182 Gr F1

A234 Gr WP11

A182 Gr F11

A234 Gr WP12

A182 Gr F12

A234 Gr WP22

A182 Gr F22

A234 Gr WP5

A182 Gr F5

A234 Gr WP9

A182 Gr F9

Carbon Steel

A420 Gr WPL6

A350 Gr LF2

A420 Gr WPL3

A350 Gr LF3


A403 Gr WP304

A182 Gr F304

A403 Gr WP316

A182 Gr F316

A403 Gr WP321

A182 Gr F321

A403 Gr WP347

A182 Gr F347


  • A234 = This specification covers wrought carbon steel and alloy steel fittings of seamless and welded construction.
  • A420 = Standard specification for piping fittings of wrought carbon steel and alloy steel for low-temperature service.
  • A403 = Standard specification for wrought austenitic stainless steel piping fittings.


  • A105 = This specification covers standards for forged carbon steel piping components, that is, flanges, fittings, Valves, and similar parts, for use in pressure systems at ambient and higher-temperature service conditions.
  • A182 = This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and Valves and parts for high-temperature service.
  • A350 = This specification covers several grades of carbon and low alloy steel forged or ring-rolled flanges, forged fittings and Valves for low-temperature service.


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