SA-268 S40800 Stainless Steels to SA-268/SA-268M

SA-268 S40800 - Specification & Application

  • SA-268/SA-268M - Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Chemical composition(wt.%) of SA-268 S40800 grade: to SA-268/SA-268M

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn - 1.00
Si - 1.00
P - 0.045
S - 0.045
Cr 11.50 13.00
Ni - 0.08
Mo - -

SA-268 S40800 - Detail

Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Mechanical properties of grade SA-268 S40800 SA-268/SA-268M

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)
124 (≥) 359 (≥) 41 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade SA-268 S40800 SA-268/SA-268M

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
751 (≥) 856 (≥) 14 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 244
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
485 425 861

Equivalent Products

We can customize the production of SA-268 S40800 grade, contact us for the best solution.
sales@specificsteel.com