AS 2266:2002 pdf – Carbon steel spring wire for bedding and seating.
Unless specifically requested otherwise at the time of enquiry or order, electric butt-welds shall he permitted during wire processing, provided that they are inserted before the final two increments of reduction in area, or passes’, in drawing.
NOTE: By agreement between manufacturer and purchaser. the actual position of welds may be idcntificd in individual coils.
4.5 Coil presentation
Fxcept by agreement between manufacturer and purchaser, coils shall be wound in the conventional direction.
NOTE: A conciitionallv wound coil is one which, when laid horiioniallv (i.e. central asis vertical) on a rotatable base, with its ‘start’ end uppermost, revolves in an anticlockwise direction as the wire is being consumed.
unless otherwise agreed, the wire shall he supplied in coils that are safely and neatly secured, with the ‘start’ end of each coil being clearly indicated.
NOTE: Bedding and seating spring wires are high tensile products. necessitating continual and consistent application of a high degree of caution and surveillance when handling them.
By agreement between manufacturer and purchaser. individual coils may be supplied on transportable carriers, such as spools or tubular frames.
Unless otliersise agreed. the mass or length of wire in each coil shall be at the discretion of the manufacturer.
NOTE: The inside diameter of a block-wound coil is always smaller than the nominal block diameter.
5 REQUIREMENTS FOR WIRE
5.1 Freedom from defects
The wire shall he clean, smooth and free from defects detrimental to its subsequent processing and end use.
Notwithstanding that a delivery of wire has been accepted by the customer, if subsequent processing reveals that it contains defects found to be detrimental to its end use, and such end use has been notified to the manufacturer at the time of enquiry or order, it shall be deemed not to comply with this Standard, provided also that it has not been improperly treated after delivery.
NOTES:
I Defects referred to in this Clause cannot be completely prescribed. Where the presence. size or frequency of any defect is considered to be of concern, arrangements should be made between the purchaser and the manufacturer at the time of enquiry or order. Such arrangements may include acceptable type samples or methods of test.
2 As-drawn wires normally carry a thin, dry and lustrous coating of stearate drawing lubricant.
5.2 Diameter and oalitv tolerances
Wires shall be prepared and tested iii accordance with Clauses 6.1 and 6.2, respectively.
Tolerances for diameter and ovalitv shall be in accordance with Table 2.
Preferred diameters shall be as shown in Tables 3. 4 and 5. as appropriate.
AS 2266:2002 pdf – Carbon steel spring wire for bedding and seating
