1.4307 Stainless Steels to SA/EN 10028-7

1.4307 - Specification & Application

  • SA/EN 10028-7 - Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels

Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels

Chemical composition(wt.%) of 1.4307 grade: to SA/EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.15
Si - 1.00
Mn 3.75 4.75
P - 0.045
S - 0.03
Ni 9.00 10.50
Cr 19.00 22.00
Al - -
Cu - -
Ti - -
Fe - -
N - -
Mo - -
V - -

1.4307 - Detail

Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels

Mechanical properties of grade 1.4307 SA/EN 10028-7

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)
598 (≥) 834 (≥) 42 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical properties of grade 1.4307 SA/EN 10028-7

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
387 (≥) 788 (≥) 14 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
874 267 286
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