Energy & PowerRenewable Energy
Wind turbine main frame / machine head frame (nacelle bedplate)
EN 1563 / EN 16124. Wall thickness up to 100mm+ – porosity control critical. Ferrite content >80% (LT grades). Surface: epoxy primer + polyurethane topcoat (ISO 12944 C4/C5-M).
Specifications
Material
EN-GJS-400-18 LT (low-temperature ductile iron, −20°C impact); GJS-350-22 LT for arctic
Grades
EN-GJS-400-18;GJS-350-22
Material Class
Ductile Iron
Applicable Standards
EN 1563EN 16124ISO 12944
Service Conditions
low temperatureimpact loading
Common Processes
Resin sand / furan no-bake (very large castings, 10–30 tonne range)
NDT & Inspection
UT (full volume, ASTM A609 / EN 12680); MT; dimensional (CMM, bearing seat bores); VT; Charpy impact at −20°C
Typical Specs & Notes
EN 1563 / EN 16124. Wall thickness up to 100mm+ – porosity control critical. Ferrite content >80% (LT grades). Surface: epoxy primer + polyurethane topcoat (ISO 12944 C4/C5-M).
⚠ Caveats
Wall thickness up to 100mm+ – porosity control critical.