34CrNiMo6 is German standard low alloy high strength[SCALE STEEL] steel, German projects are more used, the same steel number in China is 34Cr2Ni2Mo.
CHINA GB/T 3077-2015
JB/T 6396-2006 34Cr2Ni2Mo
GERMANY DIN EN 10083-3:2007[SCALE STEEL]
DIN 17200:1987 34CrNiMo6
MATERIAL 34Cr2Ni2Mo 34CrNiMo6
C 0.30~0.38 0.30~0.38
Si 0.17~0.37 ≤0.40
Mn 0.50~0.80 0.50~0.80
P ≤0.030[SCALE STEEL] ≤0.025
S ≤0.030 ≤0.035
Cr 1.30~1.70 1.30~1.70
Ni 1.30~1.70 1.30~1.70
Mo 0.15~0.30 0.15~0.30
Mechanical Property（GB/T 3077-2015）
Sample Size（mm） Ø25
Heat Treatment（℃） Quenched(Oil Cooling) 850
Tempered(Water,Oil Cooling) 540
Mechanical Property TSMPa[SCALE STEEL] ≥1080
HardnessHBW Annealed or Tempered in High Temperature ≤269
34CrNiMo6 is similar to 42CrMo in performance and has high strength and good toughness. It is used to manufacture important structural [SCALE STEEL]parts for high load work, such as wind turbine spindles, high-speed train axles, torsion shafts of armored vehicles, crankshafts and connecting rods for heavy diesel engines, and gears for other heavy duty parts.
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