Gray Iron ASTM A48

Gray Iron Castings from Pacific Alloy Casting Co., Los Angeles, California

Specification for Gray Iron Castings – ASTM – A-48 Gray Iron

Gray iron is an alloy of carbon, silicon and iron. The first cast iron, gray iron is the most versatile of all foundry metals. The high carbon content makes gray iron easier to melt, cast and machine than other iron alloys.

Castings made of gray iron are intended for general industrial applications including: engine blocks, pump housings, valve bodies, electrical boxes and decorative castings.

Castings are classified on the basis of the tensile strength of the iron in separately cast test bars.

If your company needs Gray Iron castings, call Pacific Alloy Castings Co. at (562) 928-1387 or email for a prompt quote.

Austenitic Gray Iron Castings from Pacific Alloy Casting, Los Angeles, CA

Specification for Austenitic Gray Iron Castings ASTM A-436

Austenitic gray iron is characterized by uniformly distributed graphite flakes, some carbides, and the presence of sufficient alloy content to produce an austenitic structure. It is superior to gray iron in withstanding atmospheric exposure, seawater, caustic soda, and dilute and concentrated sulfuric acid.

Austenitic gray iron castings offer better corrosion resistance and wear resistance, toughness and high-temperature properties than the standard gray irons. Their largest application is oil fields that contain hydrogen sulfide.

If your company needs Austenitic Gray Iron Castings please call Pacific Alloy Casting Co. at (562) 928-1387or email for a prompt quote.

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