The high carbon content, quality of the wire rod and closely controlled drawing and heat treating processes make Mount Joy Wire Corporation’s music wire the highest quality carbon steel spring wire available. Drawn within rigidly controlled tensile ranges, diameter tolerances and surface conditions, it is manufactured to meet the most exacting performance standards.![]()
|
Diameter (inches) |
Tensile Range (PSI) |
Break Strength/Lbs. |
| .002 | Request | Request |
| .003 | Request | Request |
| .004 | 439-485.000 | 5.5-6.1 |
| .005 | 426-471.000 | 8.4-9.2 |
| .006 | 415-459.000 | 11.7-13.0 |
| .007 | 407-449.000 | 15.7-17.3 |
| .008 | 399-441.000 | 20.1-22.2 |
| .009 | 393-434.000 | 25.0-27.6 |
| .010 | 387-428.000 | 30.4-33.6 |
| .011 | 382-422.000 | 36.3-40.1 |
| .012 | 377-417.000 | 42.6-47.2 |
| .013 | 373-412.000 | 49.5-54.7 |
| .014 | 369-408.000 | 57-63 |
| .015 | 365-404.000 | 65-71 |
| .016 | 362-400.000 | 73-80 |
| .017 | 359-397.000 | 82-90 |
| .018 | 356-393.000 | 91-100 |
| .019 | 353-390.000 | 100-111 |
| .020 | 350-387.000 | 110-122 |
| .021 | 348-385.000 | 121-133 |
| .022 | 345-382.000 | 131-145 |
| .023 | 343-380.000 | 143-158 |
| .024 | 341-377.000 | 154-171 |
| .025 | 339-375.000 | 166-184 |
| .026 | 337-373.000 | 179-198 |
| .027 | 335-371.000 | 192-212 |
| .028 | 333-368.000 | 205-227 |
| .029 | 332-367.000 | 219-242 |
| .030 | 330-365.000 | 233-258 |
| .031 | 329-363.000 | 248-274 |
| .032 | 327-361.000 | 263-290 |
| .033 | 326-360.000 | 279-308 |
| .034 | 325-358.000 | 294-325 |
| .035 | 323-357.000 | 311-343 |
| .036 | 321-355.000 | 321-361 |
| .037 | 320-354.000 | 344-381 |
| .038 | 318-352.000 | 361-399 |
| .039 | 317-351.000 | 379-419 |
| .040 | 315-349.000 | 396-439 |
| .041 | 314-348.000 | 415-459 |
| .042 | 313-346.000 | 434-479 |
| .043 | 312-345.000 | 453-501 |
| .044 | 310-343.000 | 471-522 |
| .045 | 309-342.000 | 491-544 |
| .046 | 308-341.000 | 512-567 |
| .047 | 307-340.000 | 533-590 |
| .048 | 306-339.000 | 554-613 |
| .049 | 305-338.000 | 575-637 |
| .050 | 304-336.000 | 597-660 |
| .051 | 303-335.000 | 619-684 |
| .052 | 302-334.000 | 642-710 |
| .053 | 301-333.000 | 665-735 |
| .054 | 300-332.000 | 668-761 |
| .055 | 300-331.000 | 713-787 |
| .056 | 299-330.000 | 737-814 |
| .057 | 298-329.000 | 761-840 |
| .058 | 297-328.000 | 786-868 |
| .059 | 296-327.000 | 810-895 |
| .060 | 295-326.000 | 835-923 |
| .061 | 294-325.000 | 860-951 |
| .062 | 293-324.000 | 886-979 |
| .063 | 393-324.000 | 914-1,011 |
| .064 | 292-323.000 | 940-1,040 |
| .065 | 291-322.000 | 967-1,070 |
| .066 | 290-321.000 | 993-1,099 |
| .067 | 290-321.000 | 1,024-1,133 |
| .068 | 290-321.000 | 1,054-1,167 |
| .069 | 289-320.000 | 1,088-1,198 |
| .070 | 288-319.000 | 1,110-1,229 |
| .071 | 287-318.000 | 1,137-1,260 |
| .072 | 287-317.000 | 1,170-1,292 |
| .073 | 286-316.000 | 1,198-1,324 |
| .074 | 285-315.000 | 1,227-1,356 |
| .075 | 284-314.000 | 1,256-1,389 |
| .076 | 284-314.000 | 1,290-1,426 |
| .077 | 283-313.000 | 1,319-1,459 |
| .078 | 283-313.000 | 1,354-1,497 |
| .079 | 282-312.000 | 1,384-1,531 |
| .080 | 282-312.000 | 1,419-1,570 |
| .081 | 281-311.000 | 1,449-1,603 |
| .082 | 280-310.000 | 1,478-1,637 |
| .083 | 280-309.000 | 1,515-1,673 |
| .084 | 279.309.000 | 1,546-1,712 |
| .085 | 279-308.000 | 1,583-1,746 |
| .086 | 278-307.000 | 1,615-1,783 |
| .087 | 278-307.000 | 1,653-1,825 |
| .088 | 277-306.000 | 1,658-1,861 |
| .089 | 276-305.000 | 1,717-1,897 |
| .090 | 276-305.000 | 1,756-1,940 |
| .091 | 275-304.000 | 1,789-1,977 |
| .092 | 275-304.000 | 1,828-2,020 |
| .093 | 275-304.000 | 1,868-2,065 |
| .094 | 274-303.000 | 1,901-2,103 |
| .095 | 274-303.000 | 1,943-2,148 |
| .096 | 273-302.000 | 1,976-2,186 |
| .097 | 273-302.000 | 2,017-2,232 |
| .098 | 272-301.000 | 2,052-2,270 |
| .099 | 272-301.000 | 2,094-2,317 |
| .100 | 271-300.000 | 2128-2,356 |
| .101 | 271-300.000 | 2,171-2,404 |
| .102 | 270-299.000 | 2,206-2,443 |
| .103 | 270-298.000 | 2,250-2,483 |
| .104 | 269-298.000 | 2,285-2,531 |
| .105 | 269-297.000 | 2,329-2,572 |
| .106 | 268-296.000 | 2,365-2,612 |
| .107 | 268-296.000 | 2,410-2,662 |
| .108 | 268-296.000 | 2,455-2,712 |
| .109 | 267-295.000 | 2,491-2,753 |
| .110 | 267-295.000 | 2,537-2,845 |
| .111 | 267-295.000 | 2,537-2,845 |
| .112 | 267-295.000 | 2,537-2,845 |
| .113 | 267-295.000 | 2,537-2,845 |
| .114 | 267-295.000 | 2,537-2,845 |
| .115 | 267-295.000 | 2,537-2,845 |
| .116 | 267-295.000 | 2,537-2,845 |
| .117 | 267-295.000 | 2,537-2,845 |
| .118 | 267-295.000 | 2,537-2,845 |
| .119 | 267-295.000 | 2,537-2,845 |
| .120 | 267-295.000 | 2,537-2,845 |
| .121 | 267-295.000 | 2,537-2,845 |
| .122 | 267-295.000 | 2,537-2,845 |
| .123 | 267-295.000 | 2,537-2,845 |
| .124 | 267-295.000 | 2,537-2,845 |
| .125 | 267-295.000 | 2,537-2,845 |