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Spring Wire

  General Information   Grade   Tolerance, Ovality & Tensile Strength   Packing   Inquiry
Tolerance, Ovality & Tensile Strength - JIS G 4314

Diameter
(mm)

Tolerance (mm)

Ovality
(mm)

Tensile Strength N/(Kgf/)

A Class(WPA)

B Class(WPB)

302 / 304 /316

302 / 304

0.15 - 0.20

0.005

Max. 0.005

1650(169) - 1900(193)

2150(220) - 2400(244)

0.201 - 0.26

0.008

Max. 0.008

1600(164) - 1850(188)

2050(209) - 2300(234)

0.261 - 0.40

0.401 - 0.60

0.010

Max. 0.010

1950(199) - 2200(224)

0.601 - 0.80

1530(156) - 1780(181)

1850(189) - 2100(214)

0.801 - 0.90

0.015

Max. 0.015

0.901 - 1.00

1.001 - 1.40

1450(148) - 1700(173)

1750(179) - 2000(203)

1.401 - 1.60

1400(143) - 1650(168)

1650(169) - 1900(193)

1.601 - 2.00

0.020

Max. 0.020

2.001 - 2.60

1320(135) - 1570(160)

1550(159) - 1800(183)

2.601 - 3.20

1230(126) - 1480(150)

1450(148) - 1700(173)

3.201 - 4.00

0.025

Max. 0.025

4.001 - 5.00

1100(113) - 1350(137)

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Tolerance, Ovality & Tensile Strength - ASTM A 313

Diameter
in.(mm)

Tolerance In.

Ovality
In.

Type 302 / 304

Type 305 /306

Tensile Strength,ksi(MPa)

Tensile Strength,ksi(MPa)

incl 0.0080(0.20)-0.009(0.23),incl

0.0003

Max. 0.0004

325(2240)-355(2450)

245(1690)-275(1895)

over 0.009(0.23)-0.010(0.25),incl

320(2205)-350(2415)

over 0.010(0.25)-0.011(0.28),incl

318(2190)-348(2400)

240(1655)-270(1860)

over 0.011(0.28)-0.012(0.30),incl

316(2180)-346(2385)

over 0.012(0.30)-0.013(0.33),incl

314(2165)-344(2370)

over 0.013(0.33)-0.014(0.36),incl

312(2150)-342(2360)

over 0.014(0.36)-0.015(0.38),incl

310(2135)-340(2345)

over 0.015(0.38)-0.016(0.41),incl

308(2125)-338(2330)

235(1620)-265(1825)

over 0.016(0.41)-0.017(0.43),incl

0.0004

Max. 0.0004

306(2110)-336(2315)

over 0.017(0.43)-0.018(0.46),incl

304(2095)-334(2300)

over 0.018(0.46)-0.020(0.51),incl

300(2070)-330(2275)

over 0.020(0.51)-0.022(0.56),incl

296(2040)-326(2250)

over 0.022(0.56)-0.024(0.61),incl

292(2015)-322(2220)

over 0.024(0.61)-0.026(0.66),incl

291(2005)-320(2205)

235(1620)-265(1825)

over 0.026(0.66)-0.028(0.71),incl

289(1995)-318(2190)

over 0.028(0.71)-0.031(0.79),incl

285(1965)-315(2170)

over 0.031(0.79)-0.034(0.86),incl

0.0006

Max. 0.0006

282(1945)-310(2135)

over 0.034(0.86)-0.037(0.94),incl

280(1930)-308(2125)

over 0.037(0.94)-0.041(1.04),incl

275(1895)-304(2095)

over 0.041(1.04)-0.045(1.14),incl

272(1875)-300(2070)

230(1585)-260(1790)

over 0.045(1.14)-0.050(1.27),incl

267(1840)-295(2035)

over 0.050(1.27)-0.054(1.37),incl

265(1825)-293(2020)

225(1550)-255(1760)

over 0.054(1.37)-0.058(1.47),incl

261(1800)-289(1990)

220(1515)-250(1725)

over 0.058(1.47)-0.063(1.60),incl

258(1780)-285(1965)

over 0.063(1.60)-0.070(1.78),incl

0.0008

Max. 0.0008

252(1735)-285(1935)

215(1480)-245(1690)

over 0.070(1.78)-0.075(1.90),incl

250(1725)-278(1915)

over 0.075(1.90)-0.080(2.03),incl

246(1695)-275(1895)

210(1450)-240(1655)

over 0.080(2.03)-0.087(2.21),incl

242(1670)-271(1870)

205(1415)-235(1620)

over 0.087(2.21)-0.095(2.41),incl

238(1640)-268(1850)

over 0.095(2.41)-0.105(2.67),incl

232(1600)-262(1805)

200(1380)-230(1585)

over 0.105(2.67)-0.115(2.92),incl

227(1565)-257(1770)

195(1345)-225(1550)

over 0.115(2.92)-0.125(3.17),incl

222(1530)-253(1745)

over 0.125(3.17)-0.135(3.43),incl

0.0010

Max. 0.0010

217(1495)-248(1710)

185(1275)-215(1480)

over 0.135(3.43)-0.148(3.76),incl

210(1450)-241(1660)