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X1CrNiMoN25-22-2 | 1.4466 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification
1.4466 (DIN EN 10216-5 : 2004-11) X1CrNiMoN25-22-2 1.4466 DIN EN 10216-5 : 2004-11 DIN EN 10216-5 : 2004-11 replaced by DIN EN 10216-5 : 2014-03 Replaced Germany X1CrNiMoN25-22-2 1.1.2 1)
1) Remark: Material X 2 CrNiMoN 25 22, (now: X1CrNiMoN25-22-2 ), material number 1.4466 is applicated acc. to VdT_V-Wbl 415 : 2001-09 (sheets) for pressure vessels acc. to TRB 100 and AD-data sheet W 2 and W 10 from -195 to 400 deg. (heavy duty). Further application in nuclear power engineering as far as nuclear regulations or object-related specifications permit use from -195 to 400 deg. Acc. to VdT_V-Wbl 415-2 : 2002-03 (pipes, seamless) it is used for pressure vessels as per TU 100 and AD-data sheet W 2 from -10 to 400 deg. under full loading. Further application in nuclear power engineering as far as nuclear regulations or object-related specifications permit use from -10 to 400 deg. Acc. to VdT_V-Wbl 415-3 : 2001-09 (section steel and bar steel, forged parts) it is applicable for pressure vessels as per TRB 100 and AD-data sheets W 2 and W 10 from -50 to 400 deg. Further application in nuclear power engineering as far as nuclear regulations or object-related specifications permit use from -50 to 400 deg. The welding suitability is examined allowing for generally accepted engineering rules for metal arc welding (VdT_V-Wbl 415 : 2001-09 without subsequent heat treatment), MIG-welding with covered rod electrodes, metal arc welding with welding wire and welding rods (VdT_V-Wbl 415-2 : 2002-03 preheating normally not necessary, intermediate temp. max. 200 deg., heat aftertreatment normally not necessary) and for arc hand welding resp. TIG-welding (VdT_V-Wbl 415-3 : 2001-09 preheating normally not necessary, intermediate temp. max. 150 deg., heat aftertreatment normally not necessary). To the austenitic steel X1CrNiMoN25-22-2 nach DIN EN 10088-1 : 1995-04 applies: the material is comparable to X 2 CrNiMoN 25 22 2 acc. to Key to steel 1995 resp. Register of European steels 1994. It is a fully austenitic special steel with good corrosion resistance in the urea synthesis. It is resistant to intercrystalline corrosion also in sensitized condition and polishable.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] N [%] Ni [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Yield Strength (1.0% offset) [MPa] Elongation A [%]
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Differential Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Thermal Diffusivity [10^-6 m²/s] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] True Specific Heat Capacity [kJ/(kg*K)]
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Cross Reference

Material Name Country Standard
S31050 USA UNS
310MoLN USA ASTM A 213

Producer/Supplier/Trade names

Tradename Supplier
Alloy 2522 Enpar Sonderwerkstoffe GmbH, Gummersbach
DMV 25.22.2 Salzgitter Mannesmann Stainless Tubes GmbH, Mülheim an der Ruhr
2RE69 SANDVIK Materials TEchnology Deutschland GmbH, Düsseldorf