1.0390 1.4117 1.8902

1.0390 1.4117 1.8902 NSH440TB SANH590AC SHTB590 SANH780AC SHTB780 SANH440B SPH440SF SANH490B SPH490SF SANH590B SPH590SF NKHA590SF SS400 SS400 SP211,SP212 SS400 SPCC JSC270C SPCC SPC270C SPCC SP129 SPCC SPCC SPCC SPCC NC SPLY JSC270D SKLY SPC270D SPC-LY SP121 SPC1 HKT NKLC SCY KPY1(NS) NDY SPMY 热处理硬度，切削性和耐磨性，适用于精密冲剪冲压模，难加工的冷锻、深抽和挫牙用模及高速冲剪冲头，不锈钢板冲头。