STS444 Stainless Steels to D 3698 (2008)

STS444 - Specification & Application

  • D 3698 (2008) - Cold rolled stainless steel plates, sheets and strip
  • D 3705 (2008) - Hot rolled stainless steel plates, sheets and strip

Hot rolled stainless steel plates, sheets and strip

Chemical composition(wt.%) of STS444 grade: to D 3698 (2008)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.025
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 17.00 20.00
Ni - 0.60
Mo 1.75 2.50
N - 0.025
Ti,Nb,Zr 8×(C%+N%) 0.80

STS444 - Detail

Hot rolled stainless steel plates, sheets and strip

Mechanical properties of grade STS444 D 3698 (2008)

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)
938 (≥) 188 (≥) 33 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical properties of grade STS444 D 3698 (2008)

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
463 (≥) 288 (≥) 44 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
613 894 589

Equivalent Grade

Equivalent Products

We can customize the production of STS444 grade, contact us for the best solution.
sales@specificsteel.com