MP35N Spring Tempered Wire
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General Information |
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Material |
Material Properties |
Maximum Working Temp. |
Ultimate Tensile Range (ksi min) |
Modulus of Elasticity |
Approx. Design % of Ultimate Tensile (torsional) |
Common Sizes (inches) |
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MP35N Spring Tempered Wire |
Cold drawn, age hardened. High strength. High modulus value and corrosion resistance. Great choice for severe spring applications. Good for applications involving the presence of Hydrogen Sulfide. |
600°F |
330/230 |
(E)34 |
45% |
.005" to .750" |
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Wire Sizes (Diameter in Inches) |
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.005 |
.007 |
.008 |
.009 |
.010 |
.012 |
.014 |
.015 |
.017 |
.018 |
.021 |
.022 |
.024 |
.025 |
.031 |
.032 |
.035 |
.041 |
.042 |
.044 |
.045 |
.048 |
.050 |
.054 |
.058 |
.062 |
.072 |
.080 |
.093 |
.100 |
.105 |
.114 |
.120 |
.125 |
.135 |
.142 |
.148 |
.156 |
.162 |
.172 |
.177 |
.187 |
.192 |
.207 |
.218 |
.225 |
.243 |
.250 |
.283 |
.312 |
.343 |
.375 |
.406 |
.437 |
.468 |
.500 |
.562 |
.625 |
.750 |
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Suhm Spring Works Wire Specification for MP35N (SS-MP35N) |
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Suhm Spring Specification |
Heat Treat |
Notes |
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SS-MP35N |
1200°F / 4 Hours Minimum |
Must meet and be certified to AMS-5844A Chemicals Only. Physical Properties are to meet SS-MP35N. Solution Heat Treat and Original Mill Required NACE MR-01-75-94. (55.0 HRC Max) |
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Physical Properties for Drawn and Aged MP35N (SS-MP35N) |
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Diameter |
Minimum Tensile Strength |
Minimum Yield Strength |
Reduction of Area |
Elongation |
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Up to 0.005 (0.127) |
300,000 (2070) |
280,000 (1930) |
20% |
1% |
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Over 0.005 (0.127) to 0.100 (2.54) |
290,000 (2000) |
280,000 (1930) |
20% |
4% |
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Over 0.100 (2.54) to 0.170 (4.32) |
280,000 (1930) |
270,000 (1860) |
20% |
4% |
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Over 0.170 (4.32) to 0.250 (6.35) |
260,000 (1790) |
240,000 (1655) |
20% |
5% |
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Over 0.250 (6.35) to 0.437 (11.10) |
240,000 (1655) |
230,000 (1585) |
20% |
6% |
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Over 0.437 (11.10) |
230,000 (1585) |
220,000 (1550) |
20% |
8% |
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This data is provided as a reference guide only and is not intended for design purposes. Strength values and sizes are subject to change. Please check with a Suhm Spring representative for confirmation.