AS 1447-2007

Specifies the requirements for hot-rolled carbon, carbon-chromium, nickel-chromium-molybdenum and silicon-manganese spring steels which are in either the as-rolled, annealed or normalized condition.

This Standard specifies requirements for hot-rolled carbon, carbon-chromium, nickel-chromium-molybdenum and silicon-manganese spring steels which are in either the as-rolled, annealed or normalized condition. It specifies chemical composition and manufacturing tolerance requirements for all grades and end-quench hardenability requirements for hardenability grades. This Standard permits the addition of boron and micro-alloying elements for the achievement of special properties. NOTES; 1 Advice and recommendations on information to be supplied by the purchaser at the time of enquiry and order are contained in the purchasing guidelines in Appendix A. 2 For a guide to a means of complying with the Standard refer to Appendix B.

AS 1447-1991 first published in part as AS G29-1971.
AS G29-1971 revised and redesignated AS 1447-1974.
AS 1941 first published 1976.
AS 1447-1974 and AS 1941-1976 revised and amalgamated as AS 1447-1981.
AS 1941 withdrawn September 1981.
Third edition AS 1447-1991.
Fourth edition 2007.
Reconfirmed 2017. Originated in part as AS G29-1971. Previous edition AS 1447-1991. Fourth edition 2007.