Download
in PDF FormatCONTROLLED EXPANSION ALLOYS
ALLOY 48
ALLOY 48 TYPICAL NOMINAL CHEMISTRY
NICKEL (NI) |
48.0 |
CHROMIUM (CR) |
0.10 |
MANGANESE (MN) |
0.80 |
SILICON (SI) |
0.30 |
CARBON (C) |
0.05 |
PHOSPHORUS (P) |
0.025 |
SULFUR (S) |
0.025 |
IRON (FE) |
BALANCE |
ALLOY 48 TYPICAL TENSILE STRENGTH
ANNEALED |
85,000 MAX. |
¼ HARD |
90,000 to 115,000 |
½ HARD |
105,000 to 125,000 |
HARD |
120,000 MIN. |
TYPICAL HARDNESS, ROCKWELL B
ANNEALED |
70 MAX. |
¼ HARD |
78 to 83 |
½ HARD |
84 to 88 |
TYPICAL LINEAR COEFFICIENT OF THERMAL EXPANSION
(CM. PER CM. C x 10 – 6)
30 to 100 |
9.4 |
30 to 200 |
9.4 |
30 to 300 |
8.8 |
30 to 350 |
9.0 |
30 to 400 |
8.7 |
30 to 425 |
8.9 |
30 to 450 |
9.0 |
30 to 500 |
9.4 |
30 to 550 |
10.2 |
30 to 600 |
10.4 |
30 to 700 |
11.3 |
30 to 800 |
12.1 |
30 to 900 |
13.0 |
30 to 1000 |
13.9 |