Spring Material Properties

 

 

Material Music Wire
ASTM A 228
Hard Drawn
ASTM A 277
High Tensile
Hard Drawn
ASTM A 679
Oil Tempered
ASTM A 229
Carbon Valve
ASTM A 230
Nominal Analysis C -- .70 - 1.00%
Mn -- .20 - 60%
C -- .45 - .85%
Mn -- .60 - 1.30%
C -- .65 - 1.00%
Mn -- .20 - 1.30%
C -- .55 - .85%
Mn -- .60 - 1.20%
C -- .60 - .75%
Mn -- .60 - .90%
Minimum Tensile Strength 230-399 CLI 147-283
CLII 171-324
238-350 CLI 165-293
CLII 191-324
215-240
Modulus of Elasticity E
psi x 103
30 30 30 30 30
Design Stress % Minimum
Tensile
45 40 45 45 45
Modulus in Torsion
G psi x 106
11.5 11.5 11.5 11.5 11.5
Maximum Temp. °F 250 250 250 250 250
Maximum Temp. °C 121 121 121 121 121
Rockwell Hardness C41-60 C31-52 C41-60 C42-55 C45-49
Method of Manufacture
Chief Uses
Special Properties
Cold drawn. High and uniform tensile. High quality springs and wire forms. Cold drawn. Average stress applications. Lower cost springs and wire forms. Cold drawn. Higher quality springs and wire forms. Cold drawn and heat treated before fabrication, General purpose spring wire. Cold drawn and heat treated before fabrication. Suitable for cyclic applications.

Alloy Steel Wire Stainless Steel Wire
Material Chrome Vanadium
ASTM A 231
Chrome Silicon
ASTM A 401
AISI 302/304
ASTM A 313
AISI 316
ASTM A 313
17-7 PH
ASTM A 313 (631)
Nominal Analysis C -- .48 - .53%
Cr -- .80 - 1.10%
V -- .15 min%
C -- .51 - .59%
Cr -- .60 - .80%
Si -- 1.20 - 1.60%
Cr -- 17.0 - 19.0%
Ni -- 8.0 - 10.0%
Cr -- 16.0 - 18.0%
Ni -- 10.0 - 14.0%
Mo -- 2.0 - 3.0%
Cr -- 16.0 - 18.0%
Ni -- 6.5 - 7.5%
Al -- .75 - 1.5%
Minimum Tensile Strength 190-300 235-300 125-325 110-245 Cond CH
235-335
Modulus of Elasticity E
psi x 103
30 30 28 28 29.5
Design Stress % Minimum
Tensile
45 45 30-40 40 45
Modulus in Torsion
G psi x 106
11.5 11.5 10 10 11
Maximum Temp. °F 425 475 550 550 650
Maximum Temp. °C 218.5 246 288 288 343
Rockwell Hardness C41-55 C48-55 C35-45 C35-45 C38-57
Method of Manufacture
Chief Uses
Special Properties
Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature. Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature. Cold drawn, general purpose, corrosion and heat resistant. Magnetic in spring temper. Cold drawn. Heat resistant and better corrosion resistance than 302. Magnetic in spring temper. Slightly magnetic in spring temper. Cold drawn & precipitation hardened after fabrication. High strength and general purpose corrosion resistance.

Material Phosphor Bronze
Grade A
ASTM B 159
Beryllium Copper
ASTM B 197
Monel 400
AMS 7233
Monel 400
AMS 7233
Nominal Analysis Cu -- 94.0% - 96.0%
Sn -- 4.0 - 6.0%
Cu -- 98.0%
Be -- 2.0%
Ni -- 66.0%
Cu -- 31.5%
C/Fe
Ni -- 65.0%
Cu -- 29.5%
C/Fe/A/Ti
Minimum Tensile Strength 105-145 150-230 145-180 160-200
Modulus of Elasticity E
psi x 103
15 18.5 26 26
Design Stress % Minimum
Tensile
40 45 40 40
Modulus in Torsion
G psi x 106
6.25 7.0 9.5 9.5
Maximum Temp. °F 200 400 450 550
Maximum Temp. °C 93.8 204 232 288
Rockwell Hardness B98-104 C35-42 C23-32 C23-35
Method of Manufacture
Chief Uses
Special Properties
Cold drawn. Good corrosion resistance and electrical conductivity. Cold drawn and may be mill hardened before fabrication. Good corrosion resistance and electrical conductivity. High physicals. Cold drawn. Good corrosion resistance at moderately elevated temperature. Excellent corrosion resistance at moderately elevated temperature.

Material A 286 Alloy Inconel 600
QQ-W-390
Inconel 718 Inconel X-750
AMS 5698, 5699
Nominal Analysis Ni -- 26.0%
Cr -- 15.0%
Fe -- 53.0%
Ni -- 76.0%
Cr -- 15.8%
Fe -- 7.2%
Ni -- 52.5%
Cr -- 18.6%
Fe -- 18.5%
Inconel X-750
AMS 5698,5699
Minimum Tensile Strength 160-200 170-230 210-2500 No.IT 155 min.
Spg.T 190-230
Modulus of Elasticity E
psi x 103
29 31 29 31
Design Stress % Minimum
Tensile
35 40 40 40
Modulus in Torsion
G psi x 106
10.4 11.0 11.2 12
Maximum Temp. °F 950 700 1100 750-1100
Maximum Temp. °C 510 371 593 399-593
Rockwell Hardness C35-42 C35-45 C45-50 C34-39
C42-48
Method of Manufacture
Chief Uses
Special Properties
Cold drawn and precipitation hardened after fabrication. Good corrosion resistance at elevated temperature. Cold drawn. Good corrosion resistance at elevated temperature. Cold drawn and precipitation hardened after fabrication. Good corrosion resistance at elevated temperature. Cold drawn and precipitation hardened after fabrication. Good corrosion resistance at elevated temperature.