This European Standard establishes temper designations for all forms of wrought aluminium and aluminium alloys and for continuously cast aluminium and aluminium alloys drawing stock and strip intended to be wrought. NOTE Some of these temper designations may be subject of patent or patent applications and their listing herein is not to be construed in any way as the granting of a license under such patent right. Additional temper designations, conforming to this standard, may be standardized with CEN\/TC 132 and AECMA\/5 provided: – the temper is used or is available for use by more than one user; – mechanical property limits are defined; – the characteristics of the temper are significantly different from those of all other tempers which have the same sequence of basic treatments and for which designations already have been assigned for the same alloy and product; – the following are also defined if characteristics other than mechanical properties are considered significant: a) test methods and limits for the characteristics; or b) the specific practices used to produce the temper.<\/p>\n
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| 6<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | 4 Basis of codification 5 Basic temper designations 5.1 F \u2013 as fabricated 5.2 O – Annealed 5.3 H \u2013 Strain-hardened <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | 5.4 W \u2013 Solution heat-treated 5.5 T – Thermally treated to produce stable tempers other than F, O or H (for heat-treatable alloys only) 6 Subdivision of O (annealed) temper designations 6.1 O1 \u2013 High temperature annealed and slow cooled 6.2 O2 \u2013 Thermo-mechanically processed 6.3 O3 \u2013 Homogenized 7 Subdivision of H (strain-hardened) temper designations <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 8 Subdivision of T (thermally treated to produce stable tempers other than F, O or H) temper designations 8.1 First digit after T <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 8.2 Additional digits added to designations T1 to T10 8.3 Assigned additional digits for stress-relieved T tempers 8.3.1 Stress-relieved by stretching <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 8.3.2 Stress-relieved by compressing 8.3.3 Stress-relieved by combined stretching and compressing 8.3.4 Assigned additional digits for stress-relieved W tempers 8.4 Assigned additional digits for variations of T7 type tempers <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 8.5 Demonstration of response to heat treatment 8.5.1 Temper designations for producer\/supplier \u2014 Laboratory demonstration of response to heat treatment 8.5.2 Temper designations for producer\/supplier \u2014 Demonstration of response to temper conversion 8.5.3 Temper designations for purchaser\/user heat treatment 9 Summary <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex\u00a0A (informative)Recommendations for further T tempers extensions A.1 Numeral 1\u00a0as a second digit after T A.2 Numerals 1 and 3 to 9\u00a0as a second digit after T3, T8 or T9 A.3 Numerals 1 and 3 to 5\u00a0as a second digit after T5 or T6 A.4 Numeral 6\u00a0as a second digit after T5 or T6 A.5 Summary of possible uses of a second digit after T <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Aluminium and aluminium alloys. Wrought products. Temper designations<\/b><\/p>\n |