We conduct thorough inspections at every stage of the production process.

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Stub End Lap Joint

Steel Craft Alloys is a prominent manufacturer, supplier, stockist, and exporter of high-quality products such as the Stub End Lap Joint. The Stub End Lap Joint is a critical element that is part of piping systems and gives a secure and long-lasting joint between flanges and pipes. Steel Craft Alloys ensures that every Stub End Lap Joint is carefully produced with precision and is compliant with international standards of performance and safety. Dedicated to delivering excellence, Steel Craft Alloys supplies its clients with high-qualitative products that meet many different industries' standards in oil and gas, chemical, and construction.

CARBON, ALLOY, STAINLESS STEEL FORGED SOCKET WELD FITTINGS MANUFACTURER/EXPORTER of HIGH QUALITY SOCKET WELD FITTINGS – ASME B16.11 SOCKET WELD ELBOW, SOCKET WELD TEE, SOCKET WELD CROSS, SOCKET WELD UNION, SOCKET WELD COUPLING

Marking & Packing:

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

Quality Assurance:

At Steel Craft Alloys , all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates:

Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

Stub End/Lap Joint Production Range

Outside Diameter: 1/2″ – 24″
Type: Long/Short Stub Ends
Wall Thickness: 2mm – 100 mm / SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH120, SCH140, SCH160, XXS
Production Grades: Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel
Value Added Services: Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering

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

Stub Ends Material Grades

Stainless Steel Stub Ends ASTM A403 WP Gr. 202, 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L
Carbon Steel Stub Ends ASTM A 234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low Temperature Carbon Steel Stub Ends ASTM A420 WPL3, A420 WPL6
Alloy Steel Stub Ends ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Duplex Steel Stub Ends ASTM A 815, ASME SA 815 UNS NO S31803, S32205. Werkstoff No. 1.4462
Nickel Alloy Stub Ends 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)