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

Alloy 20 Spring Tempered Wire

 ASTM B473

UNS N08020

 Excellent mechanical properties and easily fabricated.  Moderate to good corrosion resistance.  Used extensively in petrochemical and refining applications. - 1379/862

(E) 200k

(G) 75,1k

 45% 0,64 mm
to
9,20 mm

 

 SIZE CHART

Wire Diameter, mm

0,64

0,94

1,27

1,58

1,96

2,34

2,87

3,96

0,66

0,97

1,30

1,63

1,98

2,36

2,92

4,12

0,69

0,99

1,32

1,65

2,03

2,39

3,00

 4,75

0,71

1,02

1,35

1,70

2,08

2,41

3,05

 5,26

0,74

1,04

1,37

1,73

2,11

2,46

3,18

 5,94

0,76

1,07

1,40

1,75

2,13

2,49

3,25

 5,97

0,79

1,09

1,42

1,78

2,16

2,52

3,28

 6,66

0,81

1,12

1,45

1,80

2,18

2,54

3,43

 9,20

0,84

1,14

1,47

1,83

2,24

2,59

3,51

  

0,86

1,17

1,50

1,88

2,26

2,67

3,56

 

0,89

1,19

1,52

1,91

2,29

2,77

3,61

  

0,91

 1,25

1,55

1,93

2,31

2,85

3,76

  

 

 TENSILE STRENGTH CHART

Diameter, mm

Tensile Strength, MPa

minimum

maximum

Over 0,254 to 0,762

1379

1586

Over 0,762 to 1,52

1345

1551

Over 1,52 to 1,90

1310

1517

Over 1,90 to 2,54

1276

1482

Over 2,54 to 3,18

1241

1448

Over 3,18 to 3,56

1172

1379

Over 3,56 to 4,75

1103

1310

Over 4,75 to 6,35

1034

1241

Over 6,35 to 7,92

931

1138

Over 7,92 to 9,52

862

1069

 

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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