Grade 50CrMo4
1.7228
Corresponding Standard NF EN 10083-3-2006
Tempered alloy structural steel
Classification Alloy Steel
50CrMo4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.46 - 0.5 - - 0.9 0.15
Maximum Value 0.54 0.4 0.8 0.025 0.035 1.2 0.3
50CrMo4 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Steel: d ≤ 16mm; t ≤ 8mm Quenching + Tempering (+QT) 1100~1300 ≥900 ≥9 ≥40 HRC ①
≥58
Steel: 16mm ≤ d ≤ 40mm; 8mm ≤ t ≤ 20mm Quenching + Tempering (+QT) 1000~1200 ≥780 ≥10 ≥45 HRC ①
≥58
≥30
Steel: 40mm ≤ d ≤ 100mm; 20mm ≤ t ≤ 60mm Quenching + Tempering (+QT) 900~1100 ≥700 ≥12 ≥50 HRC ①
≥58
≥30
Steel: 100mm ≤ d ≤ 160mm; 60mm ≤ t ≤ 100mm Quenching + Tempering (+QT) 850~1000 ≥650 ≥13 ≥50 HRC ①
≥58
≥30
Steel: 160mm ≤ d ≤ 250mm; 100mm ≤ t ≤ 160mm Quenching + Tempering (+QT) 800~950 ≥550 ≥13 ≥50 HRC ①
≥58
≥30
Steel: Processed to a Certain Shearability (+S)
Steel: Softening Annealing (+A) ≤248

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!