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AFNOR 34CrNiMo6 Details

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34CrNiMo6 Application:Steels for quenching and tempering for construction purposes - Technical delivery conditions

Category Type Grade Designations
Grades Stainless Steels 34CrNiMo6 France - AFNOR , NF EN 10083-1 - Steels for quenching and tempering - Part 1: General technical delivery conditions
NF EN 10083-3 - Steels for quenching and tempering - Part 3: Technical delivery conditions for alloy steels
NF EN 10250-3 - Open die steel forgings for general engineering purposes - Part 3: Alloy special steels
NF EN 10263-4 - Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering
NF EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
NF EN 10277-5 - Bright steel products - Technical delivery conditions - Part 5: Steels for quenching and tempering
NF EN 10343 - Steels for quenching and tempering for construction purposes - Technical delivery conditions

Chemical composition(wt.%) of 34CrNiMo6 grade: NF EN 10083-1

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.30 0.38
Si - 0.40
Mn 0.50 0.80
P - 0.035
S - 0.035
Cr 1.30 1.70
Ni 1.30 1.70
Mo 0.15 0.30
Steels for quenching and tempering for construction purposes - Technical delivery conditions

Mechanical properties of grade 34CrNiMo6 NF EN 10083-1

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
544 (≥) 399 (≥) 24 13 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical properties of grade 34CrNiMo6 NF EN 10083-1

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
423 (≥) 398 (≥) 12 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
677 541 678

34CrNiMo6 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
34CrNiMo6 AFNOR France
Steels for quenching and tempering for construction purposes - Technical delivery conditions
34CrNiMo6 Whole Whole
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

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