Cast iron front axle support is an important iron part for lawn tractors and small agricultural machines. The followings are introduction to their materials, production process, main defect problems and casting prices.

Ductile Iron Material

The most suitable cast iron materials for cast iron lawn tractor front axles, should be ductile iron ASTM A536 Class 60-40-18, 65-45-12, 70-50-05, 80-55-06 in USA, or DIN 1693 GGG40 and GGG50 in Germany. In China, their equivalent grades will be ductile iron QT400-15, QT400-18, QT450-10 and QT500-7.

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