1.4021

1.4021 Stainless Steels to DIN 17440 (1996)

1.4021 - Specification & Application

  • DIN 17440 (1996) - Stainless steels - Technical delivery conditions for drawn wire
  • DIN 17441 (1985) - Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes
  • DIN 17442 (1977) - Rolled, Wrought or Cast Stainless Steel Products for Medical Instruments
  • DIN 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
  • DIN EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
  • DIN 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
  • DIN EN 10088-1 - Stainless steels - Part 1: List of stainless steels
  • DIN EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
  • DIN EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels
  • DIN 17224 - Materials for rail vehicles - Steels - Part 3: Stainless steel flat products; Selected standard
  • DIN EN 10151 - Stainless steel strip for springs - Technical delivery conditions

Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes

Chemical composition(wt.%) of 1.4021 grade: to DIN 17440 (1996)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.08
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.015
Cr 16.0 18.0

1.4021 - Detail

Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes

Mechanical properties of grade 1.4021 DIN 17440 (1996)

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)
551 (≥) 957 (≥) 22 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical properties of grade 1.4021 DIN 17440 (1996)

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
959 (≥) 386 (≥) 31 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
717 966 832

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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