STS440C

STS440C Stainless Steels to D 3692 (2001)

STS440C - Specification & Application

  • D 3692 (2001) - Cold finished stainless steel bars
  • D 3702 (2008) - Stainless steel wire rods
  • D 3703 (2007) - Stainless steel wires
  • D 3706 (2008) - Stainless steel bars

Stainless steel bars

Chemical composition(wt.%) of STS440C grade: to D 3692 (2001)

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.95 1.20
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 16.00 18.00
Ni - 0.60
Mo - 0.75
N - -

STS440C - Detail

Stainless steel bars

Mechanical properties of grade STS440C D 3692 (2001)

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)
426 (≥) 466 (≥) 23 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical properties of grade STS440C D 3692 (2001)

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
418 (≥) 492 (≥) 33 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
837 726 684

Equivalent Grade

1 STS440C 2 STS440C 3 STS440C

Equivalent Products

Product shapes we supply:

We can customize the production of STS440C grade, contact us for the best solution.
–sales@specificsteel.com