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SKL-21弹性终端设计用于城市轨道交通的SBS W21、SBS 300 UTS型轨道夹。终端需符合技术规范TU 25.94.12.142-001-66963875-2023和图纸SKL-21的要求。产品通过弯曲制造,经过热处理:淬火和回火。终端采用直径13mm的40S2级钢材和直径13mm的38Si7弹簧钢热轧圆钢制造。
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