1.4941

1.4941 Stainless Steels to NF EN 10028-7

1.4941 - Specification & Application

  • NF EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels
  • NF EN 10088-1 - Stainless steels - Part 1: List of stainless steels
  • NF EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
  • NF EN 10222-5 - Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels
  • NF EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • NF EN 10302 (2002) - Creep resisting steels, nickel and cobalt alloys

Creep resisting steels, nickel and cobalt alloys

Chemical composition(wt.%) of 1.4941 grade: to NF EN 10028-7

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.04 0.08
Si - 1.00
Mn - 2.00
P - 0.035
S - 0.015
Cr 17.00 19.00
Ni 9.00 12.00
Mo - -
Ti 5XC% 0.80
B 0.0015 0.0050

1.4941 - Detail

Creep resisting steels, nickel and cobalt alloys

Mechanical properties of grade 1.4941 NF 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)
522 (≥) 823 (≥) 12 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical properties of grade 1.4941 NF 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
262 (≥) 843 (≥) 33 42 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
422 745 267

Equivalent Grade

1 X6CrNiTiB18-10/X8CrNiTi18-10 2 X6CrNiTiB18-10/X8CrNiTi18-10 3 X6CrNiTiB18-10 4 EN X6CrNiTiB18-10 5 EN X6CrNiTiB18-10 6 EN X6CrNiTiB18-10 7 EN X6CrNiTiB18-10 8 X6CrNiTiB18-10 9 1.4941

Equivalent Products

Product shapes we supply:

We can customize the production of 1.4941 grade, contact us for the best solution.
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