SAE 52100 Grade Application:

SAE 52100 steel finds extensive usage in a multitude of applications, including bearings found in rotating machinery. Common uses include gears, internal combustion engines, bolts, double-headed bolts, pumps, valve bodies, and fittings under high load. Transmission shafts on steel balls, rollers, shaft sleeves, etc. are used in electric locomotives, machine tools, tractors, steel rolling equipment, boring machines, railway vehicles, and mining machinery.

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SAE 52100 Chemical composition:

The following table shows the chemical composition of SAE 52100 steel:

Standard Grade C Mn P S Si ni Cr Cu Mo
ASTM A295 52100 0.93-1.05 0.25-0.45 0.025 0.015 0.15-0.35 0.25 1.35-1.60 0.30 0.10
DIN 17230 100Cr6/1.3505 0.90-1.05 0.25-0.45 0.030 0.025 0.15-0.35 0.30 1.35-1.65 0.30 -
JIS G4805 SUJ2 0.95-1.10 0.50 0.025 0.025 0.15-0.35 1.30-1.60
BS 970 535A99/EN31 0.95-1.10 0.40-0.70 0.10-0.35 1.20-1.60



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