SUS 420J 2FB Stainless Steels to G 4319 (1991)

SUS 420J 2FB - Specification & Application

  • G 4319 (1991) - Stainless steel blooms and billets for forgings

Stainless steel blooms and billets for forgings

Chemical composition(wt.%) of SUS 420J 2FB grade: to G 4319 (1991)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.16 0.25
Si - 1.00
Mn - 1.00
P - 0.06
S - 0.03
Cr 12.00 14.00
Ni - 0.60
Mo - -
N - -

SUS 420J 2FB - Detail

Stainless steel blooms and billets for forgings

Mechanical properties of grade SUS 420J 2FB G 4319 (1991)

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)
629 (≥) 836 (≥) 13 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical properties of grade SUS 420J 2FB G 4319 (1991)

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
443 (≥) 591 (≥) 13 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
557 656 237

Equivalent Products

We can customize the production of SUS 420J 2FB grade, contact us for the best solution.
sales@specificsteel.com