30CrNiMo8

30CrNiMo8 Stainless Steels to NF EN 10083-1

30CrNiMo8 - Specification & Application

  • 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 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • NF EN 10297-1 - Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes

Chemical composition(wt.%) of 30CrNiMo8 grade: to NF EN 10083-1

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.26 0.34
Si - 0.40
Mn 0.30 0.60
P - 0.035
S - 0.035
Cr 1.80 2.20
Ni 1.80 2.20
Mo 0.30 0.50

30CrNiMo8 - Detail

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes

Mechanical properties of grade 30CrNiMo8 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)
688 (≥) 342 (≥) 24 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical properties of grade 30CrNiMo8 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
288 (≥) 584 (≥) 34 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
378 723 324

Equivalent Grade

1 30CrNiMo8 2 30CrNiMo8 3 EN 30CrNiMo8 4 EN 30CrNiMo8KD 5 30CrNiMo8

Equivalent Products

Product shapes we supply:

We can customize the production of 30CrNiMo8 grade, contact us for the best solution.
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