Stub Ends

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Seamless and ERW Buttweld Carbon Steel Fittings in Size Range of 1/2″ upto 36″ SCH 10, SCH 40, SCH80, SCH 160, SCH XS, SCH XXS  Stub End / Lap Joint Manufacturers in India
Call: +91-022-66109829 | Send Mail: mahabhairavstainless@gmail.com

An ISO 9001:2008 Certified Company, Maha Bhairav Stainless Steel is one of the leading manufacturer & exporters of Stainless Steel Stub End / Lap Joint , Pipe Elbow, Pipe Tee, Pipe Cross, Pipe Reducer, Pipe End Cap, Pipe Bends, Stubend – Lap Joint, Pipe Nipples, Pipe Outlet Fittings. We specialise in the manufacture of special size and custom shape stainless steel pipe fittings & Carbon steel pipe fittings for our customers.We can manufacture Stub End / Lap Joint  upto 48″ with wall thickness ranging from 1.5 mm thickness up to 40mm for varied sizes.

We are higher quality Manufacturer of Pipe Fittings, Butt welded Fittings, A403 Gr WP304, A403 Gr WP 304L, A403 Gr WP316, A403 Gr WP316L, A403 Gr WP316Ti, A403 Gr WP321, A403 Gr WP321H, A403 Gr WP347, A403 Gr WP347H, A403 Gr WP317, A403 Gr WP 317L,  A420 Fittings, Carbon Steel Buttweld Fittings, Alloy Steel Pipe Fittings, ASTM A234 Fittings, A234 Alloy Steel Pipe Fittings, Alloy Steel Buttweld Fittings with relevant test certificates of raw materials and finished products.

•  Outside Diameter: (1/2″ – 24″)
•   Type: Long Lap Joint (Stub End),Short Lap Joint (Stub End)
•  Wall Thickness: 3mm – 40mm / SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
•  Value Added Services: Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering
•  Production Grades: Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Copper, Cupro Nickel, Inconel, Monel, Hastelloy
•  Manufacturing Standards:
  -> ASME:ANSI B16.9, ANSI B16.28, MSS-SP-43
  -> DIN:DIN2605, DIN2615, DIN2616, DIN2617, DIN28011
  -> EN: EN10253-1, EN10253-2
•  ASTM A403 – ASME SA403 – Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
•  ASME B16.9 – Factory-Made Wrought Fittings Buttwelding
•  ASME B16.25 – Buttwelding Ends
• ASME B16.28 – Wrought Steel Short Radius Elbows and Buttwelding Returns
•  MSS SP-43 – Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
•  Stainless Steel Stub ends | lap joint :ASTM A403 WP316/316L, ASTM A403 WP304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
•  Carbon Steel Stub ends | lap joint :ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
•  Alloy Steel Stub ends | lap joint : ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
• Nickel Alloy Stub ends | lap joint :ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 )
• Duplex & Super Duplex Stub ends | lap joint : ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff No. 1.4462

Type A Stub End / Lap Joint, Decreased pressure factor

Same wall thickness on the weld ends and on the fi tting body as for a pipe with the same specifi ed wall thickness. Their resistance to internal pressure is less than that of a pipe with the same diameter, same wall thickness and made of the same grade of steel.

The required calculation methods are based on the calculation standards defined in EN 13480-3

Type B Stub End / Lap Joint, Full pressure factor

Increased wall thicknesses on the fi tting body, same resistance to internal pressure as for a pipe with the same diameter, same wall thickness and made of the same grade of steel.

The required calculation methods are based on the calculation standards defined in EN 13480-3

Each fitting must be permanently marked.

Marking through hard stamping.

•  Manufacturer‘s mark or logo
•  Country of manufacture (ISO-Code)
•  “EN2” as reference to this standard
•  “B” for fittings of type B
•  Steel name or steel number
•  “W” (for welded fittings or fittings that are manufactured from welded pipes)
•  Cast number or code number
•  Mark of the inspection representative
•  Outside diameter D*
•  Wall thickness T*

EN 10253-2 Fittings & Stub End / Lap Joint are delivered with or without surface protection at the discretion of the manufacturer.

EN 10253-4 Fittings & Stub End / Lap Joint are delivered by the manufacturer in normal packaging, without surface protection, and without end protectors (caps). Special packaging, protective coverings, and end protectors (caps) can be agreed.