Velocity chart of Preset Materials

Velocity chart for the preset choice of 39 materials in the 304 and 307.

 

Elcometer Material Number

Material Description

(Chemical Symbol/Grouping)

Material Name

Sound Velocity

(m/sec)

Sound Velocity

(in/μsec)

Source of value

NPL = National Physical Laboratory

ASNT = The American Society for Non destructive testing

Industry = Industry knowledge

1 Fe

Iron (soft)

5960

0.235

NPL

2

Fe

Iron Cast

4990

0.196

NPL

3

Al

Aluminium

(7075-T6)

6350

0.250

ASNT

4

Ti

Titanium

6100

0.240

ASNT

5

Mg

Magnesium

5790

0.228

ASNT

6

Ni

Nickel

5630

0.222

ASNT

7

W

Tungsten

5180

0.204

ASNT

8

Cu

Copper

4660

0.183

ASNT

9

Zn

Zinc

4190

0.165

NPL

10

Ag

Silver

3600

0.142

Industry

11

Sn

Tin

3380

0.133

NPL

12

Pt

Platinum

3260

0.128

NPL

13

Au

Gold

3240

0.128

NPL

14

Cd

Cadmium

2780

0.109

NPL

15

Bi

Bismuth

2180

0.086

Industry

16

Pb

Lead

2160

0.085

ASNT

17

Cobalt-chromium Alloy

Stellite

6990

0.275

Industry

18

Iron Alloy

Steel (Carbon 1018)

5920

0.233

Industry

19

Iron Alloy

Steel (Alloy 4340)

5850

0.230

Industry

20

Nickel-chromium Alloy

Inconel (625)

5820

0.229

Industry

21

Silver Alloy

Stainless Steel,

(Austentic 304)

5660

0.233

ASNT

22

Copper Alloy

Constantan

5180

0.204

NPL

23

Non-metal

German Silver

4760

0.187

Industry

24

Non-metal

Brass (Naval)

4430

0.174

ASNT

25

Non-metal

Glass (Quartz)

5930

0.233

ASNT

26

Non-metal

Glass (Crown)

5660

0.223

NPL

27

Non-metal

Glass (Flint)

5260

0.207

NPL

28

Non-metal

Porcelain

5840

0.230

Industry

29

Non-metal

Plexiglas

2760

0.109

Industry

30

Non-metal

Glass Fibre

2740

0.108

Industry

31

Non-metal

Nylon

2680

0.106

NPL

32

Non-metal

Epoxy Resin

2540

0.100

Industry

33

Non-metal

Polystyrene

2350

0.093

NPL

34

Non-metal

PVC

2330

0.092

NPL

35

Non-metal

Rubber (Butyl)

1830

0.072

Industry

36

Non-metal

Rubber (Natural)

1600

0.063

NPL

37

Non-metal

Polyurethane

1780

0.070

Industry

38

Non-metal

Teflon

1400

0.055

NPL

39

Non-metal

Water

1490

0.059

ASNT