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7.2
Tables: Sound Speed
7.2.1
Solids: Sound Speed Data
Material
Sound Speed
Sound Speed
Shear Wave (25(d))
Long. Wave (25(d))
ft/s
m/s
in/us
mm/us
Steel, 1% Carbon, hardened
10,335
3,150
0.2315
5.88
Carbon Steel
10,598
3,230
0.2319
5.89
Mild Steel
10,614
3,235
0.2319
5.89
Steel,1% Carbon
10,565
3,220
-
-
302 Stainless Steel
10,236
3,120
0.224
5.690
303 Stainless Steel
10,236
3,120
0.222
5.640
304 Stainless Steel
10,306
3,141
0.233
5.920
304L Stainless Steel
10,073
3,070
0.228
5.790
316 Stainless Steel
10,735
3,272
0.225
5.720
347 Stainless Steel
10,512
3,095
0.225
5.720
Aluminum
10,171
3,100
0.2488
6.32
Aluminum (rolled)
9,974
3,040
-
-
Copper
7,415
2,260
0.1835
4.66
Copper (annealed)
7,628
2,235
-
-
Copper (rolled)
7,448
2,270
-
-
CuNi (70%Cu 30%Ni)
8,334
2,540
0.1980
5.03
CuNi (90%Cu 10%Ni)
6,759
2,060
0.1579
4.01
Brass (Naval)
6,923
2,120
0.1744
4.43
Gold (hard-drawn)
3,937
1,200
0.1276
3.24
Inconel
9,909
3,020
0.2291
5.82
Iron (electrolytic)
10,630
3,240
0.2323
5.90
Iron (Armco)
10,630
3,240
0.2323
5.90
Ductile Iron
9,843
3,000
-
-
Cast Iron
8,203
2,500
0.1791
4.55
Monel
8,924
2,720
0.2106
5.35
Nickel
9,712
2,960
0.2217
5.63
Tin,rolled
5,479
1,670
0.1307
3.32
Tintanium
10,253
3,125
0.2402
6.10
Tungsten,annealed
9,482
2,890
0.2039
5.18
Tungsten,drawn
8,661
2,640
-
-
Tungsten,carbide
13,058
3,980
-
-
Zinc, rolled
8,005
2,440
0.1642
4.17
Glass, Pyrex
10,761
3,280
0.2209
5.61
Glass, heavy silicate flint
7,808
2,380
Glass, Iight borate crown
9,318
2,840
0.2071
5.26
Nylon
3,772
1,150
0.0945
2.40
Nylon,6-6
3,510
1,070
-
-
Polyethylene (LD)
-
-
0.0909
2.31
Polyethylene (LD)
1,772
540
0.0764
1.94
