NAKAGAWA SPECIAL STEEL INC.
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Bars for machine structural use
Bars for special purposes (end-uses)
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Bars for machine structural use
Products Specifications
(JIS Spec.)
End use parts (Examples)
Carbon steel for machine structural use SC Crankshafts, connecting rods, front axles, steering knuckles, king pins, rear axles, tie rods, strut bars, gear shift forks, steering shafts
Manganese steel for machine structural use SMn Connecting rods, front axles, rear axle shafts, ball joints, U-bolts
Chromium steel SCr Piston pins, transmission gears and shafts, steering gears
Chromium molybdenum steel SCM Crankshafts, camshafts, transmission gears and shafts, differential gears, steering gears, connecting rod bolts
Spring steel SUP Torsion bars, stabilizers, leaf springs, suspension springs
Free cutting steel SUM Crankshafts, connecting rods and caps, reverse idler gears, counter gears
Lead-containing free cutting steel SUM Crankshafts, connecting rods and caps, reverse idler gears, counter gears
Boron steel ASBo
(Society of Automotive Engineers specifications)
Knuckles, injection gears, crank gears, axle shafts
High carbon chromium bearing steel SUJ Various types of bearings
Steel wire rods for cold heading and cold forging SWCH Electric components, bolts, nuts
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