1.4303

1.4303 Stainless Steels to DIN 17440 (2001)

1.4303 - Specification & Application

  • DIN 17440 (2001) - Stainless steels - Technical delivery conditions for drawn wire
  • DIN 17440 (1972) - Stainless steels - Technical delivery conditions for drawn wire
  • 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 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 10264-4 (2002) - Steel wire and wire products - Steel wire for ropes - Part 4: Stainless steel wire
  • DIN EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
  • DIN 1654-5 (1989) - Cold heading and cold extruding steels; technical delivery conditions for stainless steels
  • 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 EN 10263-5 - Steel rod, bars and steel wire for cold heading and cold extrusion - Part 5: Technical delivery conditions for stainless steels

Stainless steels - Technical delivery conditions for drawn wire

Chemical composition(wt.%) of 1.4303 grade: to DIN 17440 (2001)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.06
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.015
Cr 17.0 19.0
Ni 11.0 13.0
N - 0.11

1.4303 - Detail

Stainless steels - Technical delivery conditions for drawn wire

Mechanical properties of grade 1.4303 DIN 17440 (2001)

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)
978 (≥) 226 (≥) 23 11 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical properties of grade 1.4303 DIN 17440 (2001)

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
267 (≥) 374 (≥) 11 13 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 144
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
272 746 994

Equivalent Grade

1 X4CrNi18-12 2 EN X4CrNi18-12 3 EN X4CrNi18-12 4 X4CrNi18-12 5 1.4303 6 X4CrNi18-12 7 1.4303 8 X4CrNi18-12 9 1.4303

Equivalent Products

Product shapes we supply:

We can customize the production of 1.4303 grade, contact us for the best solution.
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