ASTM A860 PDF

ASTM B ASTM A A number in parentheses indicates the year of last reapproval. A superscript epsilon?

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ASTM A is the standard specification for wrought high-strength ferritic steel butt-welding fittings of seamless and electric fusion-welded construction. Tensile Strength Elongation, min. Cv, avg. The elongation values shall be measured on the basis of standard round specimen, or small-size proportional specimen, in 4D. The high-strength pipe fittings of ASTM A shall be made from fully killed fine-grain material made by a melting process that is intended to produce rounded, well dispersed, fine sulphide inclusions, that promote good notch toughness, assists in the resistance to hydrogen induced cracking, and for weldability suitable for field welding.

The starting raw material may consist of plate, sheet, forgings, bar, seamless and fusion-welded pipes. All fittings shall be heat treatment by one of the methods of normalizing, quenching, tempering or stress relieving. Especially, butt-weld tees manufactured by cold forming process shall be liquid penetrant or magnetic particle examined.

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ASTM A860 Carbon Steel Pipe Fittings

ASTM A is the standard specification for wrought high-strength ferritic steel butt-welding fittings of seamless and electric fusion-welded construction. Tensile Strength Elongation, min. Cv, avg. The elongation values shall be measured on the basis of standard round specimen, or small-size proportional specimen, in 4D. The high-strength pipe fittings of ASTM A shall be made from fully killed fine-grain material made by a melting process that is intended to produce rounded, well dispersed, fine sulphide inclusions, that promote good notch toughness, assists in the resistance to hydrogen induced cracking, and for weldability suitable for field welding.

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Historical Version s - view previous versions of standard. More A This specification covers wrought high-strength low-alloy butt-welding steel fittings of seamless and electric fusion-welded construction for applications in high-pressure gas and oil transmission and distribution systems. Starting materials shall consist of plate, sheet, forgings, forging quality bar, and seamless or fusion-welded tubular products with filler metal added.

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