Designation BS EN 12513:2011 EN GJN HV350 (former BS 1A). Record based on BS 4844:1986 BS grade 1A. Tradenames: CY/A, CY/H, MEEHANITE WEC Standards with similar compositions: France: FBA to AFNOR NF A32-401, FBO to AFNOR NF A32-401 India:  Grade 1 to IS 7925, Grade 3 to IS 7925 UK: 1A to BS 4844, 1C … Continue reading EN GJN HV350 Equivalent Grades, former BS 1A, Cast iron, white, low alloy