ASTM A860 Butt Welding Fittings

Usage of ASTM A860 Butt Welding Fittings

These fittings are for use in high-pressure gas and oil transmission and distribution systems.

Hardness Requirements of ASTM A860 Butt Welding Fittings

Fittings shall have a maximum hardness of 22 HRC (235 HBW)

Heat Treatment of ASTM A860 Butt Welding Fittings

All fittings shall be furnished in the heat-treated condition. Fittings formed above the transformation temperature or upon which welding is performed, shall be cooled to below the lower critical temperature prior to heat treatment. Fittings shall subsequently be heat treated by normalizing, quenching, and tempering or stress relieving in accordance with Specification A960/A960M.

Marking of ASTM A860 Butt Welding Fittings

Identification marking shall consist of the Manufacturer's symbol or name ,specification number (year date not needed), grade symbol, size and nominal wall thickness or schedule, and heat code .

Packing of ASTM A860 Butt Welding Fittings

In wooden case or pallet

Product show of ASTM A860 Butt Welding Fittings

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