Forged Carbon Steel Grade AISI/ASTM 1045 (DIN 1.1191/S45C/CK45/C45R)

Supply Specifications:

Standard: Din-En10083-2
Size Range: 180-710mm
Dia Tolerance: -0/+3mm (Rough Turned Surface)

            -0/+8mm (Black Surface)
Length: 3000-5800mm

Heat Treatment: Normalized (Or Annealed)
Chemical Composition:

       C 0.44-0.50

               Mn 0.50-0.80

               Si 0.15-0.40

               P 0.035 Max

               S 0.035 Max

               Cr 0.30-0.40max

               Ni 0.30 Max
               Mo 0.10 Max
               Al 0.015-0.035 Max
               Cu 0.30 Max
               H2 2.5ppm    

Mechanical Properties:

Mechanical value to be tested after normalizing to 890-950.C

Tensile strength n/mm2 450-630

Re: min 315 n/mm2

A% min logitudinal sample min 18%.

Grain size: 5 or finer as per ASTM E112

Reduction ratio: 1 to 4 min

Production process: EAF + LF + VD + Forged
UT Test: Ultrasonic Test According To Sep 1921-84 Grade 3 Class C/C
Micro-Purity: Acc. To Din 50602 – K 4(O) Max. 30.‐

Surface: Black Surface Or Rough Turned

Ends Of Bars Are Sawn. None Centre Hole Is Allowed.

MTC: Inspection Certificates 3.1 According To En 10204 – 2004 With All Required And Obtained Values Of Present Specification.

Application: For Vehicles, Engines And Machines, For Parts Of Larger Cross-Sections, Crank Shafts, Gears.

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