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
EN GJN HV350 Mechanical Properties, former BS 1A, Cast iron, white, low alloy:
| EN GJN HV350, former BS 1A, Mechanical Properties | Min | Max | |
|---|---|---|---|
| Young’s modulus | *185 | 215 | GPa |
| Specific stiffness | *24 | 28 | MN.m/kg |
| Yield strength (elastic limit) | *230 | 460 | MPa |
| Tensile strength | 230 | 460 | MPa |
| Specific strength | *29.9 | 59.8 | kN.m/kg |
| Elongation | *1 | 2 | % strain |
| Compressive strength | *500 | 900 | MPa |
| Flexural modulus | *185 | 215 | GPa |
| Flexural strength (modulus of rupture) | 310 | 540 | MPa |
| Shear modulus | *72 | 85 | GPa |
| Bulk modulus | *134 | 163 | GPa |
| Poisson’s ratio | 0.27 | 0.28 | |
| Shape factor | 23.8 | ||
| Hardness – Vickers | 390 | 455 | HV |
| Elastic stored energy (springs) | *145 | 486 | kJ/m^3 |
| Fatigue strength at 10^7 cycles | *90 | 185 | MPa |
| Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles | *66.7 | 250 | MPa |
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 to BS 4844, EN-GJN-HV350 to BS EN 12513 |
Typical uses
Abrasion resistant components.