SUS 444 Stainless Steels to G 4320 (2003)

SUS 444 - Specification & Application

  • G 4320 (2003) - Cold-formed stainless steel sections

Cold-formed stainless steel sections

Chemical composition(wt.%) of SUS 444 grade: to G 4320 (2003)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.025
Si - 1.00
Mn - 1.00
P - 0.04
S - 0.03
Cr 17.00 20.00
Ni - 0.60
Mo 1.75 2.50
N - 0.025

SUS 444 - Detail

Cold-formed stainless steel sections

Mechanical properties of grade SUS 444 G 4320 (2003)

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)
725 (≥) 125 (≥) 22 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical properties of grade SUS 444 G 4320 (2003)

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
775 (≥) 821 (≥) 11 14 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
679 174 778

Equivalent Products

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