X7CrNiSiNCe21-11

X7CrNiSiNCe21-11 Stainless Steels to ISO 15510 (2010)

X7CrNiSiNCe21-11 - Specification & Application

  • ISO 15510 (2010) - Stainless steels -- Chemical composition
  • ISO 16143-3 (2005) - Stainless steels for general purposes -- Part 3: Wire
  • ISO 4955 (2005) - Heat-resistant steels

Heat-resistant steels

Chemical composition(wt.%) of X7CrNiSiNCe21-11 grade: to ISO 15510 (2010)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.10
Si 1.40 2.00
Mn - 0.80
P - 0.045
S - 0.030
Cr 20.00 22.00
Ni 10.00 12.00
N 0.14 0.20
Ce 0.03 0.08

X7CrNiSiNCe21-11 - Detail

Heat-resistant steels

Mechanical properties of grade X7CrNiSiNCe21-11 ISO 15510 (2010)

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)
878 (≥) 533 (≥) 42 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade X7CrNiSiNCe21-11 ISO 15510 (2010)

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
754 (≥) 718 (≥) 22 42 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
438 591 256

Equivalent Grade

1 ISO X7CrNiSiNCe21 11 2 X7CrNiSiNCe21-11

Equivalent Products

Product shapes we supply:

We can customize the production of X7CrNiSiNCe21-11 grade, contact us for the best solution.
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