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ASTM B366 Alloy 20 Fittings

Metals-Piping has committed experience of manufacturing a variety of ASTM B366 Alloy 20 fittings including 90° & 45° elbows, tees, reducers, 180° bends, caps, crosses, lap-joint stub ends, plugs, bushings, street elbows, , etc. These fittings has the UNS designation of N08020 and can be used in many corrosive environments.

Various ASTM B366 Alloy 20 fittings supplied by Metals-Piping.

Various ASTM B366 Alloy 20 fittings supplied by Metals-Piping.

Product Forms & Dimension Standards of Alloy 20 Fittings

Product FormDimension Standard
ASME B16.9Alloy 20 butt welding pipe fittings
ASME B16.11Alloy 20 forged fittings: threaded or socket welding.
MSS SP 43Alloy 20 butt welding fittings for low pressure, corrosion resistant applications
MSS SP 95Alloy 20 swaged nipples and bull plugs
MSS SP 97Alloy 20 branch outlets: weld outlets, threaded outlet, socket outlets.
*The fittings can be either welded or seamless.
*UNS N08020 fittings can be furnished in two classes: CR20CB: corrosion-resistant fittings; WP20CB: ASME pressure fittings.

Raw Materials for Alloy 20 Fittings

Raw MaterialUNSStandard
Pipe or TubeN08020ASTM B464, B468, B729
Plate, Sheet, or StripN08020ASTM B463
Bar or ForgingN08020ASTM B472, B473, B462
*The chemical composition & mechanical properties shall conform to corresponding material standard specifications in the table.

Heat Treatment

Alloy 20 fittings shall be annealed at temperature 1700~1850°F [927~1010°C] and quenched at rapid air or water. See more technical specification for Alloy 20.

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    SJZ Metalsin Tech Co Ltd
    No. 176, Zhonghua South Street, Shijiazhuang, China.
    Tel: +86-311-89642206
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    Email: sales@metalspiping.com