Spring Materials and Technical Specifications

 
Common  Name




Young's
E

Mpa   
103   
Modulus
(1)

   (psi)
    106
Modulus
Rigidity

Mpa   
103   
of
G  (1)

 (psi)
  106
Density (1)
g/cm3
(lb/in3)
Electrical Conduct-ivity (1)
% IACS
Sizes
Available

Min.     
mm (in.)  
Normally
(2)

      Max.
    mm (in.)
Typical Surface Quality (3) Maximum Temp.

°C      
Service
(4)

    °F
Carbon Steel Wires:                      
Music (5) 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.10 (0.004) 6.35 (0.250) a 120 250
Hard Drawn (5) 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.13 (0.005) 16 (0.625) c 150 250
Oil Tempered 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.50 (0.020) 16 (0.625) c 150 300
Valve Spring 207 (30) 79.3 (11.5) 7.86 (0.284) 7 1.3 (0.050) 6.35 (0.250) a 150 300
Alloy Steel Wires:                      
Chrome Vanadium 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.5 (0.020) 11 (0.435) a, b 220 425
Chrome Silicon 207 (30) 79.3 (11.5) 7.86 (0.284) 5 0.5 (0.020) 9.5 (0.375) a, b 245 475
Stainless Steel Wires:                      
Austenitic Type 302 193 (28) 69.0 (10) 7.92 (0.286) 2 0.13 (0.005) 9.5 (0.375) b 260 500
Precipitation Hardening 17-7 PH 203 (29.5) 75.8 (11) 7.81 (0.282) 2 0.08 (0.002) 12.5 (0.500) b 315 600
NiCr A286 200 (29) 71.7 (10.4) 8.03 (0.290) 2 0.40 (0.016) 5 (0.200) b 510 950

Common  Name




Young's
E

Mpa   
103   
Modulus
(1)

   (psi)
    106
Modulus
Rigidity

Mpa   
103   
of
G  (1)

 (psi)
  106
Density (1)
g/cm3
(lb/in3)
Electrical Conduct-ivity (1)
% IACS
Sizes
Available

Min.     
mm (in.)  
Normally
(2)

      Max.
    mm (in.)
Typical Surface Quality (3) Maximum Temp.

°C      
Service
(4)

    °F
Copper Base Alloy Wires:                      
Phosphor Bronze (A) 103 (15) 43.4 (63) 8.86 (0.320) 15 0.10 (0.004) 12.5 (0.500) b 95 200
Silicon Bronze (A) 103 (15) 38.6 (5.6) 8.53 (0.308) 7 0.10 (0.004) 12.5 (0.500) b 95 200
Silicon Bronze (B) 117 (17) 44.1 (6.4) 8.75 (0.316) 12 0.10 (0.004) 12.5 (0.500) b 95 200
Beryllium Copper 128 (18.5) 48.3 (7.0) 8.26 (0.298) 21 0.08 (0.003) 12.5 (0.500) b 205 400
Spring Brass, CA260 110 (16) 42.0 (6.0) 8.53 (0.308) 17 0.10 (0.004) 12.5 (0.500) b 95 200
Nickel Base Alloys:                      
Inconel® Alloy 600 214 (31) 75.8 (11) 8.43 (0.304) 1.5 0.10 (0.004) 12.5 (0.500) b 320 700
Inconel® Alloy X750 214 (31) 79.3 (11.5) 8.25 (0.298) 1 0.10 (0.004) 12.5 (0.500) b 595 1100
Ni-Span-C® 186 (27) 62.9 (9.7) 8.14 (0.294) 1.6 0.10 (0.004) 12.5 (0.500) b 95 200
Monel® Alloy 400 179 (26) 66.2 (9.6) 8.83 (0.319) 3.5 0.05 (0.002) 9.5 (0.375) b 230 450
Monel® Alloy K500 179 (26) 66.2 (9.6) 8.46 (0.306) 3 0.05 (0.002) 9.5 (0.375) b 260 500

Common  Name




Young's
E

Mpa   
103   
Modulus
(1)

   (psi)
    106
Modulus
Rigidity

Mpa   
103   
of
G  (1)

 (psi)
  106
Density (1)
g/cm3
(lb/in3)
Electrical Conduct-ivity (1)
% IACS
Sizes
Available

Min.     
mm (in.)  
Normally
(2)

      Max.
    mm (in.)
Typical Surface Quality (3) Maximum Temp.

°C      
Service
(4)

    °F
Carbon Steel Strip:                      
AISI 1050 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.25 (0.010) 3 (0.125) b 95 200
1065 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.08 (0.003) 3 (0.125) b 95 200
1074, 1075 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.08 (0.003) 3 (0.125) b 120 250
1095 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.08 (0.003) 3 (0.125) b 120 250
Bartex® 207 (30) 79.3 (11.5) 7.86 (0.284) 7 0.10 (0.004) 1 (0.040) a 95 200
Stainless Steel Strip:                      
Austenitic Types 301, 302 193 (28) 69.0 (10) 7.92 (0.286) 2 0.08 (0.003) 1.5 (0.063) b 315 600
Precipitation Hardening 17-7 PH 203 (29.5) 75.8 (11) 7.81 (0.282) 2 0.08 (0.003) 3 (0.125) b 370 700
Copper Base Alloy Strip:                      
Phosphor Bronze (A) 103 (15) 43 (6.3) 8.86 (0.320) 15 0.08 (0.003) 5 (0.188) b 95 200
Beryllium Copper 128 (18.5) 48 (7.0) 8.26 (0.298) 21 0.08 (0.003) 9.5 (0.375) b 205 400