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