1.4521

1.4521 Stainless Steels to NF EN 10028-7

1.4521 - 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 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
  • NF EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
  • NF EN 10296-2 (2005) - Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(wt.%) of 1.4521 grade: to NF EN 10028-7

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.025
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.015
Cr 17.00 20.00
Mo 1.80 2.50
Ni - -
Ti 12×(C+N)+0.15 0.80
N - 0.030

1.4521 - Detail

Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Mechanical properties of grade 1.4521 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)
997 (≥) 538 (≥) 41 22 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical properties of grade 1.4521 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
739 (≥) 385 (≥) 11 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
763 268 479

Equivalent Grade

1 X2CrMoTi18-2 2 ISO X2CrMoTi18-2 3 EN X2CrMoTi18-2 4 EN X2CrMoTi18-2 5 X2CrMoTi18-2 6 1.4521 7 X2CrMoTi18-2

Equivalent Products

Product shapes we supply:

We can customize the production of 1.4521 grade, contact us for the best solution.
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