Forged Alloy steel grade 42CrMo4 (Din 1.7227)

Supply Specifications:

Standard: Din-En10083-/3, En10250/3
Size Range: 180-710mm
Dia Tolerance: -0/+3mm (Rough Turned Surface)

Length: 3-5.8m

Heat Treatment:Quenched And Tempered

Chemical Composition:

C 0.39-0.44

               Mn 0.60-0.90

               Si 0.40 Max

               P 0.025 Max

               S 0.020-0.035

               Cr 0.90-1.20max

               Ni 0.20 Max
               Mo 0.15-0.30 Max
               Al 0.040 Max
               Cu 0.25 Max

Mechanical Properties:
Hardness: Max 280 HB (At The Depth Of 1/6 Of Dia 230 HB Min)

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 ASTM E 45 Method A: Max 2.5th & He. Per A And Per B/C/D Max 2.0 Th- 1.5 He-

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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