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§÷®Æ¤¶²Ð¡G¡]Alloy7075¡^


7075¥Ñ¬ü¾T¤½¥q¦b1943¦~±À¥X¡A¦b¯èªÅ¯è¤Ñ¤u·~¡A7075¦Ü¤µ¤@ª½¬O7xxx«Y¦C¦Xª÷ªº¥D¤O¤O¶q¡C³o¬O²Äyi¦¸¦¨¥\ªº¦bAL-Zn-Mg-Cu«Y°ª±j«×¦Xª÷¤¤¨Ï¥Î¥[¤J¤F»Ì¦Xª÷¡A¨Ï¤§§Î¦¨¤F¨}¦nªº§ÜÀ³¤O»G»k¶}µõªºªO§÷²£«~¡A¨ä®Ä¯q¼vÅT²`¨è¡CÁöµM¨ä¥L7xxx¦Xª÷¦Ü¤µ¤]¤w¶}µo»P§ï¶i¤F¯S©wªºÄÝ©Ê¡A7075¤´µM¬O¤@­Ó«Ü¦nªº¥­¿Å¯èªÅ¯è¤ÑÀ³¥Î©Ò»Ýªº©Ê¯à°ò½u¡C


7075¦Xª÷Á¡ªO©M¤¤«pªO²£«~À³¥Î¹M¤Î¯èªÅ¯è¤Ñµ²ºc·í¤¤¡A¨ä¤¤¡A¾A¤¤ªº¶´©Ê©M»G»k©Êªº°ª±j«×µ²¦X¬O§÷®Æ©Òbi¶·¨ã¦³ªº¡C


Alloy7075sheet and plate products have application throughout aircraft and aerospace structureswhere a combination of high strength with moderate toughness and corrosion resistance are required. 


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Si

0.40

Zn . . .

5.1-6.1

Fe . . .

0.50

Ti . . .

0.20

Cu . . .

1.2-2.0

Others, each . . .

0.5

Mn . . .

0.30

Others, total . . .

0.15

Mg . . .

2.1-2.9

Balance, Aluminum


Cr . . .

0.18-0.28




 Note: Value maximum if range not shown


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Temper

Thickness in.(mm)

TENSILESTRENGTH

Ksi¡]Mpa¡^

YIEID STRENGTH

Ksi¡]Mpa¡^

ELONGATION

         %

0

0.015-2.00

40 (max)

21 (max)

9-10

Sheet & plate T6

(0.38-50.80) 0.008-0.249

(276)

74-78

(145)

63-69


5-8

Sheet T651

(0.203-6.32) 0.250-4.000

(510-538)

78-67

(434-476)

67-54

    

9-3

Plate   T76

(6.35-101.60) 0.125-0.249

(538-462)

73

(462-372)

62


8

Sheet T7651

(3.18-6.32) 0.250-1.000

(503)

72-71

(427)

61-60


8-6

Plate   T73

(6.35-25.40) 0.040-0.249

(496-490)

67

(421-414)

56


8

Sheet T7351

(1.02-6.32) 0.250-4.000

(462)

69-61

(386)

57-48


7-6

Plate

(6.35-101.60)

(476-421)

(393-331)



7075©Ò¦³ªº­È³£¬Ozui§Cªº¾î¦V¾÷±ñ©Ê¯à°£«D¥t¦³»¡©ú¡]ALLOY7075All values are minimum long transverse mechanical properties except where noted¡^


¦Xª÷7075¨å«¬ªºÂ_µõ¶´©Ê­È¡]TYPICAL FRACTURE TOUGHNESS VALUES Alloy7075Plate¡^




7075

T651

T7351

26 (28.6)

30 (32.0)

22(24.2)

26 (28.6)


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PLATE

Temper                        T651                                  T7651

Specification            QQ-A-250/13                     QQ-A-250/24

MIL-HDBK-5              Approved

BARE SHEET                                                   ALCLAD SHEET


Specification         QQ-A-250/12,24                  QQ-A-250/13,25,26

MIL-HDBK-5                Approved                          Approved





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