DIN C45 Steel Round Bar Mechanical Property

DIN C45 steel round bar are widely used in all industry which demand more strength and wear resistance than the low carbon mild steel. What’s more, quenched and subsequently tempered steel for C45 is often used for axles, bolts, forged connecting rods, crankshafts, torsion bars, light gears, guide rods, screws, forgings, wheel tyres, shafts, sickles, axes, knives, wood working drills, hammers, etc.
DIN C45 Steel Round Bar Specification
C45 Steel Round Bar Diameter: 8mm—3000mm
C45 Steel Flat Bar: 200mm—1000mm
Square C45 Steel: 20mm—800mm

DIN C45 Steel Round Bar Heat Treatment
Forging or hot rolling 1100—850
Normalizing 840—880/air
Soft annealing 680—710/furnace
Hardening 820—860/water, oil
Tempering 550-660/air

C45 Special Steel Round Bar Surface hardness (after flame or induction hardening)

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