Looking for cold heading steel wire

RFQ Description

MATERIAL SPECIFICATION No.6aDesignation: SAE/AISI 1022Cold Heading/Cold Extruding Quality, Fine Grain, Carbon SteelCold Drawn Wire, Spheroidized at Final Size and Coated1.Chemical Composition (Ladle Analysis):Carbon 0.18 - 0.23 max.Manganese 0.70 - 0.90Silicon - 0.10 max.Phosphorous - 0.035 max.Sulphur - 0.035 max.Aluminum 0.02 - 0.052. Structure:A.This steel is Aluminum killed and is fine grained (#5 or finer on ASTM scale).B.The material shall be internally clean and free of any imperfections that prevent the manufacture of a quality part.C.The structure after spheroidize annealing shall consist of spheroidal carbides uniformly distributed throughout a ferritic matrix. The carbide phase should be 80% spheroidized minimum.3.Surface defects:Material shall not contain seams, laps and pits deeper than:- max. 1% of diameter for wires up to 5 mm diameter;- 0.05 mm for wires over 5 mm diameter.4. Cold Upsetting:The steel must withstand cold upsetting without developing cracks.The test pieces with an initial height h=1.5ï´d (d = test piece diameter) should be upset to one-third of their original height. 5. Decarburization Limits:The average depth of decarburization (total+partial) shall not exceed:- max. 1% of diameter for wires over 10 mm diameter;- max. 1.25% of diameter for wires up to 10 mm diameter.6. Coating:The steel must be phosphate coated and soaped to reduce corrosion, and to prevent sticking and galling during cold bulk-metal forming. 7. mechanical propertits:The yield/tensile strength should be kept to a minimumTensile strength¦¦¦.max 460 N/mmÚ²Reduction in area.min. 67%.8. Dimensional Tolerance:The diameter of the material must be within the limits Ú±0.02 mm.9. Test Certification:Each delivery shall be accompanied by the list of test results including the following data:- chemical composition according to ladle analysis;- austenitic grain size (fine);- tensile strength and reduction in area after fracture.10. Packing:The material shall be supplied in coils, bundled and wrapped in polyethylene:- coil/bundle weight: approx. 500/1000 kg;- inside/outside diameter: approx. 50/90 mm.