Piano Wire & Spring Wire

Carbon steel music wire is manufactured to the following specifications :-

BS 5216 M4 grade, DIN 17223 part 1, NF A47-301 and ASTM A227

Composition - carbon 0.7 to 1.0%, manganese 0.25 to 0.75%, silicon 0.35%, phosphous and sulphur 0.03% minimum.

Click here for standard wire gauge conversion tables.

Piano Wire, 1.0 metre straightened lengths or coiled

Diameter

SWG

Inches (mm)

gauge

0.192 (4.87)

6

0.176 (4.47)

7

0.160 (4.0)

8

0.144 (3.65)

9

0.128 (3.25)

10

0.116 (2.95)

11

0.104 (2.6)

12

0.092 (2.34)

13

0.080 (2.0)

14

0.072 (1.83)

15

0.064 (1.6)

16

0.056 (1.42)

17

0.048 (1.2)

18

0.040 (1.0)

19

0.036 (0.9)

20

0.028 (0.7)*

22

0.022 (0.5)*

24

*Please note piano wire marked with * is available in 36 inch lengths.

 

Spring Wire, 12 inches (305mm) lengths

Diameter

SWG

Inches (mm)

gauge

0.064 (1.6)

16

0.056 (1.4)

17

0.048 (1.2)

18

0.032 (0.8)

21

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