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Production Line Capabilities |
1.Vacuum Casting Line: Enables large-batch production and smooth surface medium parts

2.Resin Sand Casting Line: Delivers big complex geometries, but small quantity

3.Clay Sand Casting Line: Enables large-batch production small part and smooth surface medium parts

4.Medium-frequency Induction Furnace: Make sure uniform melting and stable quality


Comparative qualities of cast irons
Name |
Nominal composition [% by weight] |
Form and condition |
Yield strength [ksi (0.2% offset)] |
Tensile strength [ksi] |
Elongation [%] |
Hardness [Brinell scale] |
Uses |
Grey cast iron (ASTM A48) |
C 3.4, Si 1.8, Mn 0.5 |
Cast |
— |
50 |
0.5 |
260 |
Engine cylinder blocks, flywheels, gear box cases, machine-tool bases |
White cast iron |
C 3.4, Si 0.7, Mn 0.6 |
Cast (as cast) |
— |
25 |
0 |
450 |
Bearing surfaces |
Malleable iron (ASTM A47) |
C 2.5, Si 1.0, Mn 0.55 |
Cast (annealed) |
33 |
52 |
12 |
130 |
Axle bearings, track wheels, automotive crankshafts |
Ductile or nodular iron |
C 3.4, P 0.1, Mn 0.4, Ni 1.0, Mg 0.06 |
Cast |
53 |
70 |
18 |
170 |
Gears, camshafts, crankshafts |
Ductile or nodular iron (ASTM A339) |
— |
Cast (quench tempered) |
108 |
135 |
5 |
310 |
— |
Ni-hard type 2 |
C 2.7, Si 0.6, Mn 0.5, Ni 4.5, Cr 2.0 |
Sand-cast |
— |
55 |
— |
550 |
High strength applications |
Ni-resist type 2 |
C 3.0, Si 2.0, Mn 1.0, Ni 20.0, Cr 2.5 |
Cast |
— |
27 |
2 |
140 |
Resistance to heat and corrosion |
