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.

Piano Wire or Spring Wire is available in 1.0 metre, 500 mm, 300 mm straightened lengths or 5kg coils.

Please note 24swg is supplied in 36 inch lengths.

Click here for Standard Wire Gauge Conversion Table

Click here for Piano / Spring Wire lengths of metres per kilogram

 

Diameter

SWG

mm (Inches)

gauge

4.87 (0.192)

6

4.47 (0.176)

7

4.00 (0.160)

8

3.65 (0.144)

9

3.25 (0.128)

10

2.95 (0.116)

11

2.60 (0.104)

12

2.34 (0.092)

13

2.00 (0.080)

14

1.83 (0.072)

15

1.60 (0.064)

16

1.42 (0.056)

17

1.20 (0.048)

18

1.00 (0.040)

19

0.90 (0.036)

20

0.70 (0.028)

22

0.55 (0.022)

24

 

Spring Wire, 300mm (12 inches) 500mm (20 inches) lengths

 

Diameter

SWG

mm (Inches)

gauge

4.87 (0.192)

6

4.47 (0.176)

7

4.06 (0.16)

8

3.62 (0.114)

9

3.25 (0.128)

10

2.94 (0.116)

11

2.64 (0.104)

12

2.33 (0.092)

13

2.03 (0.080)

14

1.83 (0.072)

15

1.60 (0.064)

16

1.40 (0.056)

17

1.20 (0.048)

18

1.00 (0.040)

19

0.90 (0.036)

20

0.8 (0.032)

21

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