Forged Alloy steel grade 39NiCrMo3
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 0.37-0.44
Mn 0.50-0.80
Si 0.17-0.37
P 0.025 Max
S 0.035 Max
Cr 0.60-0.90
Ni 1.25-1.65
Mo 0.15-0.25
Al 0.02 Min
Cu 0.25 Max
Ti 0.03max
H2 2.0ppm
Mechanical Properties:
Hardness: Hb195-240
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 A2-B2-C2-D2
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: High Strength And Good Plasticity Products; Parts After Nitriding Such As Shaft, Gear, Fasterners.
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