Castings production
According to our technological facilities we are able to offer production of grey cast iron castings in a weight range from 0,2 – 150 kg as follows:
ČSN | ČSN EN 1561 | DIN 1691 | UNI 5007 | Tensile strength Rm (Mpa) | Hardness (HB) |
422415 | EN-GJL-150 | GG-15 | G15 | >150 | 140-190 |
422420 | EN-GJL-200 | GG-20 | G20 | >200 | 150-230 |
422425 | EN-GJL-250 | GG-25 | G25 | >250 | 180-250 |
422430 | EN-GJL-300 | GG-30 | G30 | >300 | 200-275 |
422435 | EN-GJL-350 | GG-35 | G35 | >350 | 200-290 |
ČSN EN 1561 | Hardness of the castings depended on the wall thickness (HB) | |||
10 - 15 mm | 15 - 30 mm | 30 - 45 mm | 45 - 80 mm | |
EN-GJL-150 | 150 - 210 | 140 - 200 | 130 - 190 | 120 - 180 |
EN-GJL-200 | 180 - 240 | 160 - 220 | 150 - 210 | 140 - 200 |
EN-GJL-250 | 200 - 260 | 180 - 240 | 170 - 230 | 160 - 220 |
EN-GJL-300 | 220 - 280 | 200 - 260 | 190 - 250 | 180 - 240 |
EN-GJL-350 | 230 - 290 | 210 - 270 | 200 - 260 | 190 - 250 |
Nodular cast iron is produced either in small lots or in pieces according to:
Nodular cast iron |
ČSN by EN | DIN | ISO 1083 | Rm min (N/mm 2) | Rp 0,2 min (N/mm 2) | A (v %) |
422304 | EN-GJS-400-15 | GGG 40 | 400 - 12 | 400 | 250 | 15 |
422305 | EN-GJS-500-7 | GGG 50 | 500 - 7 | 500 | 320 | 7 |
422306 | EN-GJS-600-3 | GGG 60 | 600 - 3 | 600 | 370 | 3 |
Accuracy of the castings according to ISO 8062:
CT 9 – 10 for machine moulding with the max. weight of the castings 90 kg
CT 11 – 12 for hand moulding with the max. weight of the castings 150 kg