1.0315 1.3967 1.8815
RAC390R NKCA390SPZA ACA370R KBAC390 MSNA-C390R AS440R JAC440W ARC440R SCGA440 SPFC440M KBAC440 AS340E JAC340P ARC340E SCGA340HR SGAC340REX SP782-340 NKCA340SPZA ACAF340X AS370E AS390E JAC390P ARC390E SCGA390HR
特点
1.优良的耐磨性和可抛光性
2.优良的耐磨性、机械加工性
3.淬硬时具有优良的稳定性