A 778 S30403 Stainless Steels to A 778 (2009)

A 778 S30403 - Specification & Application

  • A 778 (2009) - Welded, Unannealed Austenitic Stainless Steel Tubular Products

Welded, Unannealed Austenitic Stainless Steel Tubular Products

Chemical composition(wt.%) of A 778 S30403 grade: to A 778 (2009)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.03
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 18.0 20.0
Ni 8.00 12.0

A 778 S30403 - Detail

Welded, Unannealed Austenitic Stainless Steel Tubular Products

Mechanical properties of grade A 778 S30403 A 778 (2009)

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)
634 (≥) 645 (≥) 24 44 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical properties of grade A 778 S30403 A 778 (2009)

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
421 (≥) 339 (≥) 23 41 44 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
667 786 282
We can customize the production of A 778 S30403 grade, contact us for the best solution.
sales@specificsteel.com