Comparison of technologies
Sand Casting Gravity Die Casting High-Pressure Die Casting Investment Casting   
Material Iron, Aluminium, Copper, Bronze Aluminium, Copper Aluminum, Zinck, Magnesium Stainless steel, Caststeel, Aluminum
Production method Handmoulding, Semi-automatic, Automatic Handmoulding, Kokila Automatic Water Glass, Silica sol
Weight of Components (Kg) 0,2 – 10 000 kg 0,2 – 100 (kg) 0,1  – 15 (kg) 0,1 – 15  (kg)
Production unit (pcs) Low – High Low – High High series Medium – High
Needs of secondary machining High Medium Low Low
Product manufacture cost Low Low Medium Medium
Dimension casting tolerance acc. with ISO 8062 CT9 – CT12 CT7 – CT9 CT4 – CT5 CT4 – CT6
Minimum of cast wall thickness 6 – 8  mm 4 mm 2,5  mm 2  mm
Draft angle need (deg ° ) ± 2,0 ° ± 1,0 ° ± 0,5 ° ± 0,5 °
Surface finish (Ra) µ Ra 50 µ  Ra 12,5 µ  Ra 3,2 µ  Ra 3,2 µ

Material: Iron, Aluminium, Copper, Bronze

Production method: Handmoulding, Semi-automatic, Automatic

Weight of Components (Kg): 0,2 – 10 000 kg

Production unit (pcs): Low – High

Needs of secondary machining: High

Product manufacture cost: Low

Dimension casting tolerance acc. with ISO 8062: CT9 – CT12

Minimum of cast wall thickness: 6 – 8 mm

Draft angle need (deg ° ): ± 2,0 °

Surface finish (Ra) µ: Ra 50 µ

Material: Aluminium, Copper

Production method: Handmoulding, Kokila

Weight of Components (Kg): 0,2 – 100 (kg)

Production unit (pcs): Low – High

Needs of secondary machining: Medium

Product manufacture cost: Low

Dimension casting tolerance acc. with ISO 8062: CT7 – CT9

Minimum of cast wall thickness: 4 mm

Draft angle need (deg ° ): ± 1,0 °

Surface finish (Ra) µ: Ra 12,5 µ

Material: Aluminum, Zinck, Magnesium

Production method: Automatic

Weight of Components (Kg): 0,1 – 15 (kg)

Production unit (pcs): High series

Needs of secondary machining: Low

Product manufacture cost: Medium

Dimension casting tolerance acc. with ISO 8062: CT4 – CT5

Minimum of cast wall thickness: 2,5 mm

Draft angle need (deg ° ): ± 0,5 °

Surface finish (Ra) µ: Ra 3,2 µ

Material: Stainless steel, Caststeel, Aluminum

Production method: Water Glass, Silica sol

Weight of Components (Kg): 0,1 – 15 (kg)

Production unit (pcs): Medium – High

Needs of secondary machining: Low

Product manufacture cost: Medium

Dimension casting tolerance acc. with ISO 8062: CT4 – CT6

Minimum of cast wall thickness: 2 mm

Draft angle need (deg ° ): ± 0,5 °

Surface finish (Ra) µ: Ra 3,2 µ