• THE FOUR IRON & STEEL TYPES & THEIR USES •
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FORM NAME
TEMPERATURE
& HOLDING TIME
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QUALITYS
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IMPORTANT USES
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ALFA FORM
1296°C ··· 2.2HR
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CORROSION
RESISTANCE
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BOLTS
SCREWS
SHEET METAL
MOTOR ARMATURES
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BETA FORM
1536°C ··· 4.5HR
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WELDABLE
MALLEABLE
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COLUMNS
SMALL NUTS
20' RAILROAD RAILS
AUTO LEAF SPRINGS
PICK-UP TRUCK FRAMES
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GAMA FORM
1587°C ··· 7HR
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FIRE RESISTANT
DUCTILE
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BEAMS
PISTONS
LARGE NUTS
BRIDGE CABLES
TRUCK LEAF SPRINGS
SMALL TRUCK FRAMES
CURVED RAILROAD RAILS
SMALL POST TENSIONING RODS
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DELTA FORM
1591°C ··· 24HR
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FIRE & HEAT RESISTANT
SHOCK RESISTANT
RIGIDITY
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BEAMS
COIL SPRINGS
BRIDGE BEAMS
MOTOR CASTINGS
LARGE TRUCK FRAMES
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