Aluminum Casting Alloys Machinery's Handbook, 31st Edition
533
Table 6c. Mechanical Property Limits for Separately Cast Test Bars of Commonly Used Aluminum Permanent Mold Casting Alloys
Minimum Properties
Typical Brinell Hardness Number (500 kgf load, 10-mm ball)
Tensile Strength (ksi)
Elongation In 2 inches (%)
Alloy 204.0 208.0 208.0 208.0 222.0 222.0 242.0 242.0 296.0 308.0 319.0 319.0 332.0 333.0 333.0 333.0 333.0 336.0 336.0 354.0 354.0 355.0 355.0 355.0 355.0 355.0 C355.0 356.0 356.0 356.0 356.0 356.0 A356.0 357.0 A357.0 359.0 359.0 443.0 B443.0 A444.0
Temper a
Ultimate
Yield 29.0 15.0 22.0 16.0
T4 T4 T6 T7
48.0 33.0 35.0 33.0 30.0 40.0 34.0 40.0 35.0 24.0 28.0 34.0 31.0 28.0 30.0 35.0 31.0 31.0 40.0 48.0 52.0 27.0 37.0 42.0 36.0 34.0 40.0 21.0 25.0 33.0 25.0 25.0 37.0 45.0 45.0 45.0 47.0 21.0 21.0 20.0 22.0 35.0 37.0 45.0 28.0 32.0 18.0 17.0 18.0 27.0
8.0 4.5 2.0 3.0
60-90 75-105 65-95 100-130 125-155 90-120 95-125 75-105 55-85 70-100 75-105 90-120 65-100 70-105 85-115 75-105 90-120 110-140 60-90 75-105 90-120 70-100 65-95 75-105 40-70 55-85 65-95 60-90 60-90 70-100 75-105 85-115 75-105 85-115 30-60 30-60 45-75 60-90 55-85 80-110 55-85 60-90 30-60 30-60
T551 T65 T571 T61
T6
2.0
F F
14.0
1.5 2.0
T6 T5 T5 T6 T7 F
T551 T65 T61 T62 T51
37.0 42.0
3.0 2.0
T6
1.5
T62
T7
T71 T61
27.0 30.0
3.0 3.0 3.0 3.0 3.0 5.0 3.0 3.0 4.0 3.0 2.0 2.5
F
T51
T6 T7
22.0
T71 T61 T61 T61 T62 T6
26.0
36.0 34.0 38.0 7.0 6.0 12.0 18.0 17.0 35.0 18.0 22.0
F F F F
T4
20.0 2.5 8.0 10.0
513.0 535.0 705.0 707.0 711.0 713.0 850.0 851.0 851.0 852.0
T5 T7 T1 T5 T5 T5 T6 T5
3.0 7.0 4.0 8.0 3.0 8.0 3.0
55-85 Source: Standards for Aluminum Sand and Permanent Mold Castings. Courtesy of the Aluminum Association. a F indicates “as cast” condition.
Copyright 2020, Industrial Press, Inc.
ebooks.industrialpress.com
Made with FlippingBook - Share PDF online