Stub End is a short pipe with a flared outwards end at one end. The other end is prepared to be welded with pipes. It usually used with lap joint flange or other rotating back flanges. The flared end is sandwiched in the two flanges as gasket. Rotating back flanges can be lap joint flange or slip on flange. This combination can replace a welding flange and the flange can be replaced.
Zizi is China leading manufacturer and exporter of steel pipe fittings and flanges, we offer buttweld fittings, socket weld fittings, threaded fittings and forged flanges in best price.
Supply Range
Standard | ASME B16.9, MSS SP-43 |
Diameter | NPS 1/2” to 24”, DN15 to DN600 |
Thickness | Sch 10S, 40S, 80S |
Alloy Steel | ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91 |
Stainless Steel | ASTM A403 WP304/304L/304H, WP316/316L, WP 309, WP310, WP317, WP321, WP347 |
Carbon Steel | ASTM A234 WPB, A860 WPHY42, WHPY52, WPHY60, WHPY65, WPHY70, A420 WPL 3 / 6 / 9. |
Duplex Steel | ASTM A815 UNS S 31803, 32205, 32550, 32750, 32760 |
Copper & Nickel Alloy | NICKEL 200,NICKEL 201, MONEL 400, INCONEL825, INCONEL 600, INCONEL 601, INCONEL 625, HASTELLOY C276, C70600, C71500 |
Chemical Composition
C | Mn | P | S | Si | Cr | Mo | Ni |
0.08-0.12 | 0.3-0.6 | 0.02 | 0.01 | 0.2-0.5 | 8-9.5 | 0.85-1.05 | 0.4 |
Mechanical Properties
Tensile Strength | Yield Strength | Elongation |
585-760 | 415 | 20 |
Short Pattern Stub End
Also know as MSS-A stub end, it means the length of stub end is relatively short.
Long Pattern Stub End
ASA-A stub end or ANSI length stub end, its length is longer than short pattern.
Type A stub end
Used with lap joint flanges
Type B stub end
Used with slip on flanges.
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