X7CrNiAl32-21

X7CrNiAl32-21 Stainless Steels to ISO 15510 (2010)

X7CrNiAl32-21 - 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
  • ISO 9328-5 - Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled
  • ISO 9328-7 (2011) - Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels

Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels

Chemical composition(wt.%) of X7CrNiAl32-21 grade: to ISO 15510 (2010)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.10
Si - 1.00
Mn - 2.00
P - 0.030
S - 0.020
Cr 19.00 23.00
Mo - -
Ni 30.00 35.00
Al 0.15 0.60
Ti 0.15 0.60
Cu - 0.75

X7CrNiAl32-21 - Detail

Steel flat products for pressure purposes - Technical delivery conditions - Part 7: Stainless steels

Mechanical properties of grade X7CrNiAl32-21 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)
867 (≥) 294 (≥) 43 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical properties of grade X7CrNiAl32-21 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
221 (≥) 587 (≥) 14 12 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
692 625 854

Equivalent Grade

1 X7CrNiAl32-21

Equivalent Products

Product shapes we supply:

We can customize the production of X7CrNiAl32-21 grade, contact us for the best solution.
–sales@specificsteel.com