X7CrNiAl17-7

X7CrNiAl17-7 Stainless Steels to ISO 15510 (2010)

X7CrNiAl17-7 - Specification & Application

  • ISO 15510 (2010) - Stainless steels -- Chemical composition
  • ISO 16143-1 (2004) - Stainless steels for general purposes -- Part 1: Flat products
  • ISO 16143-2 (2004) - Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections
  • ISO 16143-3 (2005) - Stainless steels for general purposes -- Part 3: Wire
  • ISO 6931-1 - Stainless steels for springs - Part 1: Wire
  • ISO 6931-2 - Stainless steels for springs - Part 2: Narrow strip
  • ISO/TS 15510 (2003) - Stainless steels - Chemical composition

Stainless steels - Chemical composition

Chemical composition(wt.%) of X7CrNiAl17-7 grade: to ISO 15510 (2010)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.09
Si - 0.07
Mn - 1.00
P - 0.040
S - 0.015
Cr 16.00 18.00
Ni 6.50 7.80
Mo - -
N - -
Al 0.70 1.50

X7CrNiAl17-7 - Detail

Stainless steels - Chemical composition

Mechanical properties of grade X7CrNiAl17-7 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)
981 (≥) 513 (≥) 32 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical properties of grade X7CrNiAl17-7 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
718 (≥) 773 (≥) 22 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
919 363 481

Equivalent Grade

1 ISO X7CrNiAl17-7 2 ISO X7CrNiAl17-7 wire 3 EN X7CrNiAl17-7 4 EN X7CrNiAl17-7 5 EN X7CrNiAl17-7 6 EN X7CrNiAl17-7 7 X7CrNiAl17-7 8 1.4568 9 X7CrNiAl17-7 10 1.4568 11 X7CrNiAl17-7

Equivalent Products

Product shapes we supply:

We can customize the production of X7CrNiAl17-7 grade, contact us for the best solution.
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