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ASME B16.9 Butt-Welding Pipe Fittings

ASME 16.9 covers overall dimensions, tolerances, ratings, testing, and markings for factory-made wrought butt-welding fittings in sizes NPS 1⁄2 through NPS 48 (DN 15 through DN 1200). The term “wrought” denotes fittings made of seamless or welded pipes, tubing, plates, or forgings. Metals-Piping supplies ASME B16.9 butt-welding pipe fittings in a comprehensive range of materials covering carbon steel, alloy steel, stainless steel and non-ferrous metals. These fittings include long radius elbows, reducing elbows, long radius returns, short radius elbows, short radius 180° returns, 3D elbows, straight tees, straight crosses, reducing tees, reducing crosses, lap joint stub ends, caps, concentric reducers, and eccentric reducers. All fittings supplied shall be free of imperfections such as dents, scratches, sharp intersections(corners), pits, and creases, etc.

ASME B16.9 butt welding pipe fittings

ASME B16.9 butt welding pipe fittings: black or anti-rust oil painted, galvanized – carbon/ stainless steel & nickel alloy.

Codes and Regulations

ASME B16.9 butt welding pipe fittings shall be selected and used under the jurisdiction of the ASME Boiler and Pressure Vessel Code, or ASME Code for Pressure Piping.

Wall Thickness and Welding Ends

The wall thickenss may be designated in conformance with ASME B36.10 or ASME B36.19. Three types of welding ends may be furnished in accordance with ASME B16.25: square cut, plain bevel and compound bevel.

Material and Related Standards

ASME B16.9 stainless steel pipe fittings

ASTM A403 stainless steel butt welding fittings made to ASME B16.9.

Materials-Standards for ASME B16.9 Fittings
ASTM StandardsMaterial Specification
A234Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
A403Wrought Austenitic Stainless Steel Piping Fittings
A420Wrought Carbon Steel and Alloy Steel for Low Temperature Service
A815Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A361Wrought Aluminum and Aluminum Alloy Welding Fittings
A363Seamless and Welded Unalloyed Titanium and Titanium Alloy Welding Fittings
A366Wrought Nickel and Nickel Alloy Fittings

Products-Dimensions Table

ASME B16.9 Butt Welding Pipe Fittings Dimension Table
Long Radius ElbowsLong Radius Reducing ElbowsLong Radius Returns
Short Radius 180-deg Returns3D ElbowsStraight Tees and Crosses
Lap Joint Stub EndsCapsReducers
Short Radius ElbowsReducing Tees and Reducing CrossesInduction Bends
*The induction bends shall be manufactured to ASME B16.49.
*See the dimension tolerances of ASME B16.9 fittings.
*The values of dimensions & tolerances are stated separately in SI(metric) units or US Customary units.

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    Hebei Metals Industrial Limited
    (Shijiazhuang Metalsin Pipeline Tech Co., Ltd)
    No. 176, Zhonghua South Street, Shijiazhuang, China.
    Tel: +86-311-89642206
    Fax:+86-311-67906676
    Web: www.metalspiping.com
    Email: sales@metalspiping.com