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=== 油回火钢丝以线圈形式提供，用于制造车辆弹簧、气门弹簧和机械弹簧。
气门弹簧用油回火钢丝
油回火钢丝具有较高的抗拉强度、疲劳寿命和盘绕性能，是制造阀门弹簧的常用材料。
符合JIS G 3560的油回火弹簧钢丝
尺寸：直径1.60mm
表面处理：油回火
公差：-0.035/+0.035mm（实际尺寸-0.015/0mm）
等级：SWO-B（SWRH72B）
抗拉强度：最小1720N/mm2
质量：JIS G 3560
油淬火&回火弹簧钢丝
油回火钢丝8 mm至16 mm
Material for cold coiled automobile springs
电线质量：标准EN 10270-2
经油回火和淬火处理的钢丝
悬架弹簧用高强度油回火钢丝
电线尺寸：2.0mm至16.0mm
标准：EN10270-2/GB18983/SAE9254/ASTM401/JIS4801
材料等级：FDCRSI/55CRSI/SUP12
油淬火&回火弹簧钢丝
线材：50CrSiA，55CrSiA、60Si2MnA、67CrVA、65Mn
钢丝直径：0.8至7.0mm
Materials for suspension spring for vehicles; valve spring and mechanical springs.
Processing:
Steel wire can be heated through high-frequency power by means of oil tempering. The rapid heating treatment gives the steel wire high intensity. We use a high-precision temperature control system to ensure the steel wire heated stably and to ensure the consistency of material properties.
Oil Tapered Spring Wire
