SUS 420J 2TKA Stainless Steels to G 3446 (2012)

SUS 420J 2TKA - Specification & Application

  • G 3446 (2012) - Stainless steel pipes for machine and structural purposes

Stainless steel pipes for machine and structural purposes

Chemical composition(wt.%) of SUS 420J 2TKA grade: to G 3446 (2012)

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 2TKA - Detail

Stainless steel pipes for machine and structural purposes

Mechanical properties of grade SUS 420J 2TKA G 3446 (2012)

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)
128 (≥) 648 (≥) 32 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical properties of grade SUS 420J 2TKA G 3446 (2012)

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
181 (≥) 883 (≥) 41 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
745 433 236

Equivalent Products

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