Workpiece material comparison table Material group Machining group Germany W no DIN W no DIN EN DIN DIN EN Manufacturer designation K Grey cast i

Workpiece material comparison table Material group Machining group Germany W. no. DIN W. no. DIN EN DIN DIN EN Manufacturer designation K Grey cast iron K3 0.6010 EN-JL1010 GG-10, GG 10 EN-GJL-100 K3 0.6015 EN-JL1020 GG-15, GG 15 EN-GJL-150 K3 0.6020 EN-JL1030 GG-20, GG 20 EN-GJL-200 K3 0.6025 EN-JL1040 GG-25, GG 25 EN-GJL-250 K4 0.6030 EN-JL1050 GG-30, GG 30 EN-GJL-300 K4 0.6035 EN-JL1060 GG-35, GG 35 EN-GJL-350 K4 0.6040 GG-40, GG 40 EN-GJL-400 K4 0.6660 GGL-NiCr 20 2 K4 GG-26Cr, GG 26Cr EN-GJL-260 Cr K7 GGV 45 EN-GJV-450 Ductile cast iron K5 0.7040 EN-JS1030 GGG-40 EN-GJS-400-15 K6 0.7050 EN-JS1050 GGG-50 EN-GJS-500-7 K6 0.7060 EN-JS1060, EN-JS 1092 GGG-60 EN-GJS-600-3, EN-GJS-600-3U K6 0.7070 EN-JS1070, EN-JS 1102 GGG-70 EN-GJS-700-2, EN-GJS-700-2U Malleable cast iron K1 0.8035 EN-JM 1010 GTW-35, GTW-35-04 GTW-35-04, EN-GJMW-350-4 K1 0.8040 EN-JM 1030 GTW-40-05, GTW-40 EN-GJMW-400-5, GTW-40-05 K1 0.8045 EN-JM 1040 GTW-45-07, GTW-45 EN-GJMW-450-7 K1 0.8135 EN-JM 1130 GTS-35-10, GTS-35 EN-GJMB 350-10 K1 0.8145 EN-JM 1140 GTS-45-06, GTS-45 EN-GJMB 450-6, GTS-45-06 K1 0.8155 EN-JM 1160 GTS-55-04, GTS-55 EN-GJMB 550-4, GTS-55-04 K2 0.8165 EN-JM 1180 GTS 65-02, GTS-65 EN-GJMB 650-2, GTS-65-02 K2 0.8170 EN-JM 1190 GTS 70-02, GTS-70 EN-GJMB 700-2, GTS-70-02 H 20 WALTER General technical information