C45E CK45 Carbon steel
MATERIAL SPECIFICATIONS
DIN EN 10028-2 (2003), DIN 17755 (1983)
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.42 ~ 0.50
Si (％): ≤ 0.40
Mn (％): 0.50 ~ 0.80
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): ≤ 0.40
Mo (％): ≤ 0.10
Ni (％): ≤ 0.40Other(％): Cr+Ni+Mo≤0.63％
MECHANICAL PROPERTIES - HOT WORKING, HEAT TREATMENT AND HARDNESS
Hot working temperature /℃: 1100～850
Heat treatment temperature /℃|annealing / normalizing : 650～700
Heat treatment temperature /℃|quenching: 830~860 oil
Heat treatment temperature /℃|tempering: 530~570
HBS: 175～210
(≥)|σb/MPa: 590～710
(≥)|σs/MPa: 355
(≥)|δ5(%): 18.0
(≥)|AKV/J: 34
MECHANICAL PROPERTY UNDER HIGH TEMPERATURE
Yield strength σ0.2≥/MPa|200℃: 284
Yield strength σ0.2≥/MPa|300℃: 245
Yield strength σ0.2≥/MPa|350℃: 216
Yield strength σ0.2≥/MPa|400℃: 186
Yield strength σ0.2≥/MPa|450℃: —
Yield strength σ0.2≥/MPa|500℃: —
AVAILABLE SHAPES
Black bar /Flat bar / Square bar /Pipe, /Steel strip, /sheet
Bright - peeled + polishing, centerless grinding
Forged - ring, tube, pipe casing, discs, shaft
TYPICAL APPLICATIONS
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Mechanical gears, gear shaft, main axis, valve rod
Mechanical parts - connecting rod, bolt and nut
Multidiameter shaft
Pressure vessel, seamless pipe
PRODUCT PROFILE
Round bar / Wire rod (Diameter): 0.50mm to 800mm
Square bar / Flat bar: 10mm to 1000mm
Plate / Sheet steel / Steel strip: 0.1mm to 1000mm
Width: 8mm to 2500mm
Length: random length or based on the customer's special requirement.
Forged steel shape: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
Pipes / Tubings: OD 3-219 mm, with wall thickness ranging from 0.50 to 35 mm.
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