Suhm Spring Works - Materials Properties   

 

Material

Material Properties

Maximum Working Temp.

 Ultimate Tensile Range MPa

Modulus of Elasticity,
MPa

Approx. Design % of Ultimate Tensile (torsional)

Common Sizes,
mm

Music Wire ASTM A228 UNS K08500 & G10860

Cold drawn. Constant tensile strength. High-quality and good for high cycle spring applications.

121C

3096/1586

(E) 206,8

(G) 79,3

45%

0,30
 to
6,35

 

 SIZE CHART

Wire Diameter, mm

0,30 0,66 0,97 1,37

1,83

2,41

3,15

4,88

0,33 0,69 0,99

1,40

1,91

2,49

3,18

5,26

0,36 0,71 1,02 1,42

1,93

2,54 3,30

5,72

0,38 0,74 1,04 1,45

1,98

2,67

3,43

6,17

0,41 0,76 1,07 1,47

2,03

2,77 3,51

6,35*

0,43 0,79 1,12 1,50

2,08

2,79

3,76


0,46 0,81 1,14 1,57 2,16 2,84

3,96

 
0,51 0,84 1,19 1,60

2,29

2,87

4,11

 
0,56 0,89 1,22 1,65

2,31

2,90 4,32  
0,61 0,91 1,27

1,70

2,36 3,00 4,50  

0,64

0,94

1,30

1,78

2,39

3,05

4,75

 

* Sizes up to 7,19 mm diameter are available on request.

    

TENSILE STRENGTH CHART

Dia.,
mm

Tensile Strength,

MPa

Dia.,
mm

Tensile Strength,

MPa

Dia.,
mm

Tensile Strength,

MPa

Dia.,
mm

Tensile Strength,

MPa

min

max

min

max

min

max

min

max

0,10

3027 3344

0,56

2379 2634

1,50

2041 2255 3,18 1800 1986

0,13

2937 3247

0,61

2351 2599 1,60 2020 2234 3,30 1786 1972

0,15

2861 3165

0,66

2324 2572 1,70 1999 2213 3,43 1779 1765

0,18

2806 3096

0,71

2296 2537 1,83 1979 2186 3,56 1765 1951

0,20

2751 3041

0,76

2275 2517 1,93 1958 2165 3,68 1751 1937

0,23

2710 2992

0,81

2255 2489 2,03 1944 2151 3,81 1744 1924

0,25

2668 2951

0,86

2234 2468 2,16 1924 2124 3,96 1731 1910

0,28

2634 2910

0,91

2213 2448 2,29 1903 2103 4,11 1717 1896

0,30

2599 2875

0,97

2193 2427 2,41 1889 2089 4,50 1689 1862

0,33

2572 2841

1,02

2172 2406 2,54 1868 2068 4,88 1662 1841

0,36

2544 2813

1,07

2158 2386 2,59 1862 2062 5,26 1641 1820

0,38

2517 2785

1,14

2130 2358 2,72 1848 2041 5,72 1620 1793

0,41

2496 2758

1,22

2110 2337 2,79 1841 2034 6,35 1586 1758

0,46

2455 2710

.1,30

2089 2310 2,84 1834

2027

     

0,51

2413 2668

1,40

2068 2282 3,07 1813 1999      

Tensile strength values for intermediate diameters may be interpolated.

 

These data are provided as a reference guide only and are not intended for design purposes.  Strength values and sizes are subject to change.  Please check with a Suhm Spring representative for confirmation.

 

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