Haoguan Pipe Fittings Flange Manufacturing Co., Ltd. (HGFF GROUP) is an ISO 9001:2000 certified manufacturer, supplier, and exporter of Lap
Joint Stub End that is produced on a large scale at our vast in-house manufacturing unit. We have been providing trustworthy piping solutions for the past three decades. Lap Joint Stub End is a type of stub end that is customarily used with lap joint Flanges, the stub end forming the face of the flange. Applications, where constant disconnection and dismantling of pipes are needed, are benefitted through these fittings as they give a quick disassembly, allowing inspection and cleaning
of pipelines. We offer ANSI B16.9 Lap Joint Stub Ends that are corrosion resistant besides being reusable and economical, to the petrochemical, fertilizers, power generation, nuclear plants, etc.
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/2″NB TO 36 “NB IN
Type : Seamless / ERW / Welded / Fabricated
Thickness : Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and
Form : Lap Joint Stub Ends, Pipe Stub Ends, Butt weld Lap Joint Stub Ends.
Material & Grades of Buttweld Lap Joint Stub End :
Stainless Steel Buttweld Lap Joint Stub End :
ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, DIN
1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404
Duplex & Super Duplex Steel Buttweld Lap Joint Stub End :
ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Works to No. 1.4462
Carbon Steel Buttweld Lap Joint Stub End :
ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low-Temperature Carbon Steel Buttweld Lap Joint Stub End: ASTM A420 WPL3, A420 WPL6
Alloy Steel Buttweld Lap Joint Stub End :
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Nickel Alloy Buttweld Lap Joint Stub End :
ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No.
N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel
600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No.
N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe.