hot rolled S45C Medium Carbon Steel round bars

Product Description

 

S45C

Medium Carbon Steel

Equivalent Grades: DIN C45, Ck45, Cf45, JIS S45C, DIN C45, ASTM 1045, and GB 45. S45C steel are often used for manufacture of stamping products, sleeve, automobile shell, air compressors, pistons of vane pump, steam turbine, shafts of machine, worm, gear, crankshaft, spindle, drum, fitter tools and the products which are with wear-resisting or high strength.

Steel Type

S45C , C45 , Ck45 , Cf45 , S45CC45 , 1045 , 45

Purpose

S45C is widely used in mechanical parts and structural steel.

Conditions of heat treatment

• Annealing: 880℃ Furnace Cooling

• Normalization: 880~870℃ Air Cooling

• Hardening: 820~870℃ Water Cooling

• Tempering: 550~650℃ Rapid Cooling

Mechanical properties

(1) Material
Tensile strength (kgf/mm²): >58
Yield strength (kgf/mm²): >35
Elongation (%): >20
Cross section reduction rate (%): >45
Hardness (Hb): 167~229

(2) After heat treatment
Tensile strength (kgf/mm²): >70
Yield strength (kgf/mm²): >50
Elongation (%): >17
Cross section reduction rate (%): >45
Hardness (Hb): 201~269