1.4021

1.4021 Stainless Steels to NF EN 10088-1

1.4021 - Specification & Application

  • 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 10088-3 - Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products 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 10088-5 - Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
  • NF EN 10151 - Stainless steel strip for springs - Technical delivery conditions
  • NF EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Chemical composition(wt.%) of 1.4021 grade: to NF EN 10088-1

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.16 0.25
Si - 1.00
Mn - 1.50
P - 0.040
S - 0.015
Cr 12.00 14.00
Mo - -
Ni - -

1.4021 - Detail

Open die steel forgings for general engineering purposes - Part 4: Stainless steels

Mechanical properties of grade 1.4021 NF EN 10088-1

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)
436 (≥) 523 (≥) 44 42 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical properties of grade 1.4021 NF EN 10088-1

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
998 (≥) 746 (≥) 31 41 14 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
681 986 595

Equivalent Grade

1 X20Cr13 2 X20Cr13 3 X20Cr13 4 X20Cr13 5 X20Cr13(AFNOR) 6 ISO X20Cr13 7 EN X20Cr13 8 EN X20Cr13 9 EN X20Cr13 10 EN X20Cr13 11 X20Cr13 12 1.4021 13 X20Cr13 14 1.4021 15 X20Cr13 16 1.4021 17 X20Cr13

Equivalent Products

Product shapes we supply:

We can customize the production of 1.4021 grade, contact us for the best solution.
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