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X20CrNi18-9 steel forged flanges EN 10222-5 forged steel wn flanges 1.4307 stainless steel SS Flanges

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X20CrNi18-9 steel forged flanges EN 10222-5 forged steel wn flanges 1.4307 stainless steel SS Flanges

Material : X20CrNi18-9

Steel Number : 1.4307

Type : Stainless SS Steel flanges

Standard : EN1092-1 Type 01

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Grade : X2CrNi18-9
Number: 1.4307
Classification: Austenitic stainless steel
Density: 7.9 g/cm ³
Standard:
EN 10088-2: 2005 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
EN 10088-3: 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
EN 10028-7: 2007 Flat products made of steels for pressure purposes. Stainless steels
EN 10222-5: 2000 Steel forgings for pressure purposes. Martensitic, austenitic and austenitic-ferritic stainless steels
EN 10216-5: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Stainless steel tubes
EN 10217-7: 2005 Welded steel tubes for pressure purposes. Stainless steel tubes
EN 10296-2: 2005 Welded circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions
EN 10253-3: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
EN 10253-4: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
EN 10272: 2007 Stainless steel bars for pressure purposes
EN 10269: 1999 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
EN 10263-5: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for stainless steels
EN 10250-4: 2000 Open steel die forgings for general engineering purposes. Stainless steels
EN 10297-2: 2005 Seamless circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions
EN 10088-1: 2005 Stainless steels. List of stainless steels
EN 10088-4: 2009 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
EN 10088-5: 2009 Stainless steels. Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes

Chemical composition % of steel X2CrNi18-9 (1.4307): 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 - 10.5 max 0.045 max 0.015 17.5 - 19.5 max 0.11


Mechanical properties of steel X2CrNi18-9 (1.4307)
Rm - Tensile strength (MPa) (+A) 450-700
Rm - Tensile strength (MPa) (+AT) 470-680
Rm - Tensile strength (MPa) (+AT+C) 740-800
Rp0.2 0.2% proof strength (MPa) (+AT) 180
Rp0.2 0.2% proof strength (MPa) (+A) 175-220
KV - Impact energy (J) transverse, (+A) +20°
60		 -196°
60
KV - Impact energy (J) longitud., (+A) +20°
100
A - Min. elongation at fracture (%) (+A) 35-45
A - Min. elongation at fracture (%) transverse, (+AT) 35
A - Min. elongation at fracture (%) longitud., (+AT) 40
Nominal diameter (mm): 2 - 50
Z - Reduction in cross section on fracture (%) 63-68
Brinell hardness (HB): (+A) 215
Brinell hardness (HB): (+AT) 200


Properties of steel X2CrNi18-9 (1.4307)
Resistance to intergranular corrosion: in the delivery condition - yes; in the sensitized condition - yes
Steel shal not be applied at a metal temperature lower than -196 ° C


Equivalent grades of steel X2CrNi18-9 (1.4307)
EU
EN		 USA
-		 Japan
JIS		 France
AFNOR		 England
BS		 Sweden
SS		 Russia
GOST
X2CrNi18-9
304L
SUS304L
Z2CN18
Z3CN18
Z3CN19-09
304S11
2352
04KH18N10

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