Common Spring Materials
The link below will open the chart showing properties of common spring materials and lists out some commonly used alloys. This chart also contains data for material selection purposes. The specifications listed were developed exclusively for high quality materials for spring applications. These are generally more detailed and stricter than other specifications.
View the Properties of Common Spring Materials »
Music Wire, ASTM A 228 |
C 0.70-1.00%, Mn 0.20-0.60% |
230-399, (1586-2751) |
30 (207) |
45 |
11.5 (79.3) |
250 |
121 |
C41-60 |
Cold drawn high and uniform tensile. High quality springs and wire forms. Suitable for cyclic applications |
Hard Drawn ASTM A 227 |
C 0.45-0.85%, Mn 0.60-1.30% |
CLI 147-283, (1014-1951) - CLII 171-324 (1179-2234) |
30 (207) |
40 |
11.5 (79.3) |
250 |
121 |
C31-52 |
Cold drawn. Average stress applications. Lower cost springs and wire forms. |
High Tensile Hard Drawn ASTM A 679 |
C 0.65-1.00%, Mn 0.20-1.30% |
238-350 (1641-2413) |
30 (207) |
45 |
11.5 (79.3) |
250 |
121 |
C31-52 |
Cold drawn. Higher quality springs and wire forms |
Oil Tempered ASTM A 229 |
C 0.55-0.85%, Mn 0.60-1.20% |
CLI 165-283, (1014-1951) - CLII 171-324 (1179-2234) |
30 (207) |
45 |
11.5 (79.3) |
250 |
121 |
C42-55 |
Cold drawn and heat treated before fabrication. General purpose spring wire. |
Carbon Valve ASTM A 230 |
C 0.60-0.75%, Mn 0.60-0.90% |
215-240 (1482-1655) |
30 (207) |
45 |
11.5 (79.3) |
250 |
121 |
C45-49 |
Cold drawn and heat treated before fabrication. Good surface conditioned uniform tensile. Suitable for cyclic applications. |
|
Chrome Vanadium ASTM A 231 |
C 0.48%-0.53% - Cr 0.80-1.10% - V 0.15 min% |
190-300, (1310-2069) |
30 (207) |
45 |
11.5 (79.3) |
425 |
218.5 |
C41--55 |
Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature. |
Chrome Silicon ASTM A 401 |
C 0.51-0.59% - Cr 0.60-0.80% - Si 1.20-1.60% |
235-300, (1620-2069) |
30 (207) |
45 |
11.5 (79.3) |
475 |
246 |
C48-55 |
Cold drawn and heat treated before fabrication. Used for shock loads and moderately elevated temperature. |
|
AISI 302/304 ASTM A 313 |
Cr 17.-19.% Ni 8.-10.% |
125-325 (862-2241) |
28 (193) |
35 |
10 (69.0) |
550 |
288 |
C35-45 |
Cold drawn general purpose corrosion and heat resistant. Magnetic in spring tempor. |
AISI 316 ASTM A 313 |
Cr 16.-18% Ni 10.-14.% Mo 2.-3.% |
110-245 (758-1689) |
28 (193) |
40 |
10 (69.0) |
550 |
288 |
C35-45 |
Cold drawn. Heat resistant and better corrosion resistance than 302. Magnetic in spring tempor. |
17-7 PH ASTM A 313 (631) |
Cr 16.-18.% Ni 10.-14.% Al 0.75-1.5% |
Cond CH 235-335 (1620-2310) |
29.5 (203) |
45 |
11 (78.5) |
650 |
343 |
C38-57 |
Cold drawn and precipitation hardened after fabrication. High strength and general purpose corrosion resistance. Slightly magnetic in spring tempor. |
|
Phosphor Bronze Grade A ASTM B 159 |
Cu 94.-96.% Sn 4.-6.% |
105 -145 (724-1000) |
15 (103) |
40 |
6.25 (43.1) |
200 |
93.3 |
B98-104 |
Cold Drawn. Good corrosion resistance and electrical conductivity. |
Berylium Copper ASTM B 197 |
Cu 98% Be 2% |
150-230 (1034-1586) |
18.5 (128) |
45 |
7.0 (48.3) |
400 |
204 |
C35-42 |
Cold drawn and may be mill hardened before fabrication. Good corrosion resistance and electrical conductivity. High Physicals. |
Monel 400 AMS 7233 |
Ni 66% Cu 31.5% C/Fe |
145-180 (1000-1241) |
26 (179) |
40 |
9.5 (65.5) |
450 |
232 |
C23-32 |
Cold drawn. Good corrosion resistance at moderately elevated temperature. |
Monel K 500 QQ-N-286³ |
Ni 65.0% Cu 29.5% C/Fe/Al/Ti |
160-200 (1103-1379) |
26 (179) |
40 |
9.5 (65.5) |
550 |
28 |
C23-35 |
Excellent corrosion resistance at moderately elevated temperature. |
|
A 286 Alloy |
Ni 26.% Cr 15.% Fe 53.% |
160-200 (1103-1379) |
29 (200) |
35 |
10.4 (71.7) |
950 |
510 |
C35-42 |
Cold drawn and precipitation hardened after fabrication. Good corrosion resistance at elevated temperature. |
Inconel 600 QQ-W-390³ |
Ni 76.% Cr 15.8% Fe 7.2% |
170-230 (1172-1586) |
31 (214) |
40 |
11.0 (75.8) |
700 |
371 |
C35-45 |
Cold drawn. Good corrosion resistance at elevated temperature. |
Inconel 718 |
Ni 52.5% Cr 18.6% Fe 18.5% |
210-250 (1448-1724) |
29 (200) |
40 |
11.2 (77.2) |
1100 |
593 |
C45-50 |
Cold drawn and precipitation hardened after fabrication. Good corrosion resistance at elevated temperature. |
Inconel x 750 AMS 5698, 5699 |
Ni 73.% Cr 15.% Fe 6.75% |
No. IT 155 Min. 1069 Spg T 190-230 (1310-1586) |
31 (214) |
40 |
12 (82.7) |
750-110 |
399-593 |
C34-39 C42-48 |
Cold drawn and precipitation hardened after fabrication. Good corrosion resistance at elevated temperature. |
|
A 286 Alloy |
Ni 26.% Cr 15.% Fe 53.% |
160-200 (1103-1379) |
Inconel 600 QQ-W-390³ |
Ni 76.% Cr 15.8% Fe 7.2% |
170-230 (1172-1586) |
Inconel 718 |
Ni 52.5% Cr 18.6% Fe 18.5% |
210-250 (1448-1724) |
Inconel x 750 AMS 5698, 5699 |
Ni 73.% Cr 15.% Fe 6.75% |
No. IT 155 Min. 1069 Spg T 190-230 (1310-1586) |
|
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