Arrow Butler Castings Ltd
Station Road
Chesterfield
Derbyshire
S41 9ES.
Tel: +44 (0)1246 450027
Email: castings@arrowbutlercastings.co.uk
Sand Casting Properties | ||||||
LM4 | LM6 | LM25 | LM25TF | LM27 | L169 | |
Tensile Strength (N/mm2) | 140-170 | 160-190 | 130-150 | 230-280 | 140 | 290 |
Elongation (%) | 2-3 | 5 | 2 | - | 1 | 3 |
Brinell Hardness | 65-80 | 50-55 | 55-65 | 90-110 | 70-85 | 80 |
Thermal Con (cal/cm2/cm/deg C @ 25°C) | 0.29 | 0.34 | 0.36 | 0.36 | 0.37 | 0.36 |
Electrical Con (% copper std. @ 20°C) | 32 | 37 | 39 | 39 | 27 | 38 |
Machinability | G | P | G | E | G | E |
Suitability for Anodising against Corrosion | G | F | G | G | G | G |
Corrosion Resistance | F | E | E | E | G | E |
Sand Casting Characteristics | E | E | E | E | E | G |
Gravity Die (Chill) Casting Properties | ||||||
LM4 | LM6 | LM25 | LM25TF | LM27 | L169 | |
Tensile Strength (N/mm2) | 160-220 | 190-230 | 160-200 | 280-320 | 160 | 320 |
Elongation (%) | 2-4 | 7 | 3 | 2 | 2 | 4 |
Brinell Hardness | 70-90 | 55-60 | 55-65 | 90-110 | 75-0 | 85 |
Thermal Con (cal/cm2/cm/deg C @ 25°C) | 0.29 | 0.34 | 0.36 | 0.36 | 0.37 | 0.36 |
Electrical Con (% copper std. @ 20°C) | 32 | 37 | 39 | 39 | 27 | 38 |
Machinability | G | P | G | E | G | E |
Suitability for Anodising against Corrosion | G | F | G | G | G | G |
Corrosion Resistance | F | E | E | E | G | E |
Gravity Die Casting Characteristics | G | E | E | E | E | E |