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Cold Heading Quality (CHQ)
Wire RodsCold Heading Quality (CHQ) Wires is a kind of steel wire that is manufactured by drawing and annealing wire rods. CHQ wires are typically used for making critical fasteners, cold heading and cold extrusion components.
The major applications of CHQ Wire include Fasteners, Cold Forged Parts, Bearings, production of coupling parts such as bolts, nuts, and small screws, and parts for machines. -
API Grade Hot Rolled Coils (HRC)
API, shorted for American Petroleum Institute, is considered as the most authoritative and comprehensive principles for oil and gas industry. API 5B and API 5CT are mainly used for tubing and casing, which standard the chemical properties, steel grades, manufacturing methods, color coding, heat treatment, inspection and other information.