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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