Cast Irons
Equivalent Grades of Cast Iron
This is a comparison table for the CAST IRON grades of various standards including ASTM, BSI, DIN, NFA and JAPENESE
| AMERICAN ASTM | BRITISH BSI | GERMAN DIN | FRENCH NFA | JAPANESE | DESCRIPTION |
| A48 Class 25 | BS 1452 Gr 180 | DIN 1691 GG20 (0.6020) | A32-101 FG 20B | G5501 FC150 | Grey Cast Iron |
| A48 Class 30 | BS 1452 Gr 220 | DIN 1691 GG20 (0.6020) | A32-101 FGL200 | G5501 FC200 | Grey Cast Iron |
| A48 Class 40 | BS 1452 Gr 250 | DIN 1691 GG25 (0.6025) | A32-101 FGL 250 | G5501 FC250 | Grey Cast Iron |
| A436 Type 1 | BS 3468 Gr F1 | DIN 1694 GGL-NiCuCr15-6-2 (0.6655) | A32-301 FGC Ni15Cu6Cr2 | G5510 FCA-NiCuCr 15 6 2 | Austenitic Cast Iron-Flake Graphite |
| A439 Type D2 | BS 3468 Gr S2W | DIN 1694 GGG-NiCrNb20-2 (0.7659) | A32-301 S-NC 20 2 | G5510 FCDA NiCrNb20 2 | Austenitic Cast Iron-Spheroidal Graphite |
| A536 Gr 60-40-18 | BS 2789 Gr 400/18 | DIN 1693 GGG40.3 (0.7043) | Ductile Cast Iron | ||
| A536 Gr 65-45-12 | BS 2789 Gr 420/12 | DIN 1693 GGG40 (0.7040) | A32-201 FGS 400-12 | G5502 FCD 400 | Ductile Cast Iron |