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Different surface Introduction of the Garage Door Torsion spring

Spring Coatings, Spring Diameter, Square Wire

Round Wire Torsion: Oil tempered wire
•ASTM A229 Class II Wire
•Heat-treated for stress relief
•Ideal for overhead door applications

Round Wire Coated
•ASTM A229 Class II Wire
•Heat-treated for stress relief
•Black coated wire provides resistance to corrosion
•Clean appearance – minimize oily handprints on the door when installing

Round Wire Torsion: Galvanized
•Superior appearance (Sivaco 9001 Series Wire)
•Resistance to corrosion yields greater number of cycles to failure resulting in a longer life
•Renowned for strength and toughness with a greater resistance to fractures initiated by stress risers such as tool marks and handling marks, and other surface defects
•Value-added product that allows you to command higher margins leading to increased profits; an alternative for competitive markets as your customer will see the difference

Round Wire Powder Coated
•ASTM A229 Class II Wire
•Polyester powder coat – baked gloss finish
•Heat-treated for stress relief
•Powder coating provides optimal resistance to corrosion; ideal for high humidity applications
•Clean appearance – minimize oily handprints on the door when installing
•Virtually eliminates spring fade and coil-to-coil friction
•Please specify white or black finish when ordering (custom colors available; call for information)

Square Wire Torsion
•Oil tempered wire
•ASTM A229 Class II Wire
•Heat-treated for stress relief
•Cost effi cient material
•Ideal for use in space-restrained installations where duplex springs or parallel shafts may be under consideration
•Provides up to 20% higher cycle life than the equivalent diameter of round wire springs
•Allows for greater energy storage per square inch of material.
•Use with standard torsion spring fittings (universal thread design recommended)


Post time: Jul-16-2023