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   Standard Alloy Products
   Miller Standard Alloy Guide
       Alloy 14415 (C14415)
       Alloy 155 (C15500)
       Alloy 194
       Alloy 260
       Alloy 268
       Alloy 411 (C41100)
       Alloy 422 (C42200)
       Alloy 425
       Alloy 505
       Alloy 50715
       Alloy 50725
       Alloy 510
       Alloy 511
       Alloy 519
       Alloy 521
       Alloy 524
       Alloy 544
       Alloy 725
       Alloy 735 (C73500)
       Alloy 740 (C74000)
       Alloy 745 (C74500)
       Alloy 752
       Alloy 762
       Alloy 764 (C76400)
       Alloy 770
   Key Stock Alloy Guide
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The Miller Company
275 Pratt Street
Meriden, CT 06450 USA
Telephone:
(203) 235-4474
Within USA:
(800) 243-3120
International:
(001) 203-235-4474
Company Fax:
(203) 634-6926
Customer Service Fax:
(203) 639-6924
or (800) 848-4984
Alloy 268

Values shown are reasonable approximations for general engineering use. Due to commercial variations, do not use for specification purposes.

Density
Lbs. per cu in. at 68oF(x27.68=gms/cu cm at 20oC)		 .306
Mod. of Elast.
x 106 PSI, tension (Kgf/mm2=KSix.7031)		 15
Elect. Cond.
% IACS at 68oF (20oC) as annealed		 27
Therm. Cond.
BTU per sq. ft. per ft. per hr. per oF at 68oF (20oC)		 67
Coef. of Th. Exp.
inches/inc/oF x 104 from 68oF to 572oF (20oC to 3000C)		 11.3


Tensile Strength x 1000 PSI (Kgf/mm2 = KSI x .7031)
and Yield Strength x 1000 PSI (.2% offset) Kgf/mm2 = KSI x .7031
Annealed 44-61
13-34
1/4 Hard 49-59
24-44
1/2 Hard 55-65
33-53
3/4 Hard 62-72
46-60
Hard 68-78
50-64
Ex. Hd. 79-89
64-70
Spring 86-95
69-73
Ex. Spr. 90-99
71-76


Elongation % in 2 inches (=% in 50mm)
and Rockwell B Hardness .020" gauge and over (Rockwell F or 30 T where noted)
Annealed 35-70
63-87F
1/4 Hard 33-52
40-65
1/2 Hard 28-45
57-74
3/4 Hard 15-35
70-80
Hard 10-28
76-84
Ex. Hd. 5-9
83-89
Spring 5-6
87-92
Ex. Spr. 5 Max
88-93


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