Specifications
Steel Number :
1.4311
Type :
forged flanges
Standard :
EN 1092-1, typ 02 (04) + 32 (34)
Material :
X2CrNiN18-10
Description
X2CrNiN18-10 Lap Joint Flanges
EN 10222-5 steel forged lap joint flanges made from 1.4311 stainless steel
Material Specifications
Grade: X2CrNiN18-10
Number: 1.4311
Classification: Austenitic stainless steel
Density: 7.9 g/cm³
Applicable Standards
  • EN 10088-2:2005 - Stainless steels for general purposes (sheet/plate and strip)
  • EN 10088-3:2005 - Stainless steels for general purposes (semi-finished products, bars, rods, wire, sections)
  • EN 10028-7:2007 - Flat products for pressure purposes (stainless steels)
  • EN 10222-5:2000 - Steel forgings for pressure purposes
  • EN 10216-5:2014 - Seamless steel tubes for pressure purposes
  • EN 10217-7:2005 - Welded steel tubes for pressure purposes
  • EN 10296-2:2005 - Welded circular steel tubes for mechanical engineering
  • EN 10253-3:2008 - Butt-welding pipe fittings (without specific inspection)
  • EN 10253-4:2008 - Butt-welding pipe fittings (with specific inspection)
  • EN 10272:2007 - Stainless steel bars for pressure purposes
  • EN 10250-4:2000 - Open steel die forgings for general engineering
  • EN 10297-2:2005 - Seamless circular steel tubes for mechanical engineering
  • EN 10088-1:2005 - List of stainless steels
  • EN 10088-5:2009 - Stainless steels for construction purposes (bars, rods, wire, sections)
  • EN 10088-4:2009 - Stainless steels for construction purposes (sheet/plate and strip)
Chemical Composition (%) - EN 10088-2:2005
Particular ranges of sulphur content may provide improvement of particular properties. For machinability, a controlled sulphur content of 0.015% to 0.030% is recommended and permitted. For weldability, a controlled sulphur content of 0.008% to 0.030% is recommended and permitted. For polishability, a controlled sulphur content of 0.015% max is recommended. Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast.
C Si Mn Ni P S Cr N
max 0.03 max 1 max 2 8.5 - 11.5 max 0.045 max 0.015 17.5 - 19.5 0.12 - 0.22
Mechanical Properties
Rm - Tensile strength (MPa) (+A) 550-760
Rm - Tensile strength (MPa) (+AT) 550-760
Rp0.2 - 0.2% proof strength (MPa) (+AT) 270
Rp0.2 - 0.2% proof strength (MPa) (+A) 270-305
KV - Impact energy (J) transverse, (+A) +20°: 60 / -196°: 60
KV - Impact energy (J) longitudinal, (+A) +20°: 100
A - Min. elongation at fracture (%) (+A) 30-40
A - Min. elongation at fracture (%) longitudinal, (+AT) 35-45
Brinell hardness (HB): (+A) 230
Brinell hardness (HB): (+AT) 210
Material Properties

Resistance to intergranular corrosion: in the delivery condition - yes; in the sensitized condition - yes

Steel shall not be applied at a metal temperature lower than -270°C

X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint Flange
Equivalent Grades
EU EN USA Japan JIS France AFNOR England BS Sweden SS
X2CrNiN18-10 304LN SUS304LN Z3CN18-10Az 304S61 2371
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X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint Flange

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Steel Number :
1.4311
Type :
forged flanges
Standard :
EN 1092-1, typ 02 (04) + 32 (34)
Material :
X2CrNiN18-10
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X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint Flange
X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint Flange
X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint Flange
X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint Flange
X2CrNiN18-10 1.4311 Stainless Steel Lap Joint Flange EN 10222-5 Forged Lap Joint Flange

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