COLD HEADING QUALITY WIRE (CHQ WIRE)

FOR CHALLENGING APPLICATIONS

In the field of cold heading applications, our wire has a high standard of quality made with the most recent technology.

Cold heading quality (CHQ) wires are commonly used to make critical fasteners. Our CHQ wire has a high standard of quality and technology in the field. Process control begins with strict requirements on chemistry, and continues with tight restrictions on process temperature, production rates and inspection regulations.  This enables us to produce consistent properties such as spheroidization levels of 95%, uniform grain sizes, and smooth surfaces.

In accordance with its customers’ specifications, Sivaco manufactures cold heading quality wire intended for the manufacturing of fastening products and automotive products. To ensure compliance with all application requirements, every step of the production process is closely monitored.

Sivaco’s cold heading quality steel wire is ideal for a wide variety of cold heading applications, including:

  • bolts
  • nuts
  • screws
  • rivets
  • nails
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Carbon grades

C-1006 through C-1080

Alloy grades

1300 series, 1500 series, 4000 series, 4100 series, 5100 series, 6000 series, 8600 series, 8700 series and boron grades

Types

Silicon killed: coarse and fine grain; aluminum killed: fine grain

DIAMETERS

Up to 1.0625″ (27 mm)

DIAMETER TOLERANCE

According to ASTM and international standards (more restrictive tolerances available on request)

Coatings

Zinc phosphate, lime, borax, oiled, polymer, galvanized Galfan (0.10 to 1.20 oz/sq. ft.)

Thermal treatments

Spheroidized annealed at finished, bright annealed at finish, spheroidized annealed in process, process annealed rods, drawn from annealed rods.

Packaging

Continuous length wire on carriers, compacted coils, shrink wrapped or plastic shrouded
[block sizes from 24’’to 54″ (1.2 m)]

Please inquire for specific chemistry.

SPECIFICATIONS

ASTM F2282

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