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EN 10088-3:2014 X5CrNiMoCuNb14-5 Steel: Specifications & Listings

EN 10088-3:2014 X5CrNiMoCuNb14-5: X5CrNiMoCuNb14-5: precipitation hardening corrosion resisting stainless steel, material number 1.4594. Specified in EN 10088-3:2014.

Category: Stainless Steel
Grade Details
GradeEN 10088-3:2014 X5CrNiMoCuNb14-5
Standard EN 10088-3:2014
ApplicationsGeneral purposes, semi-finished products, bars, rods, wire, sections and bright products
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10088-1 X5CrNiMoCuNb14-5 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X5CrNiMoCuNb14-5 EN 10088-1:2014 Strong Match
EN 10088-1 X5CrNiMoCuNb14-5 EN 10088-1:2023 Strong Match
ASTM A959 329 ASTM A959:2011 Related Material
EN 10088-3 X5CrNiCuNb16-4 EN 10088-3:2014 Related Material
EN 10088-1 X5CrNiCuNb16-4 EN 10088-1:2014 Related Material
EN 10088-1 X5CrNiCuNb16-4 EN 10088-1:2023 Related Material
EN 10088-1 X4CrNiMo16-5-1 EN 10088-1:2014 Related Material
EN 10088-1 X4CrNiMo16-5-1 EN 10088-1:2023 Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn P S Cr Mo Ni Cu Nb
<=0.07 <=0.70 <=1.00 <=0.040 <=0.015 13.0-15.0 1.20-2.00 5.0-6.0 1.20-2.00 0.15-0.60
Mechanical Properties
Tensile Strength <=1200 MPa
Hardness <=360 HB
Condition Solution annealed (+AT), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 100 mm; hardness for guidance only

More data from EN 10088-3:2014

From the standard
Mechanical properties by heat treatment condition 4 conditions
ConditionHardness HBW, max (guidance)Rp0.2 min (MPa)Rm (MPa)A min, longitudinal (%)KV2 min, longitudinal (J)
+AT360-max. 1200--
+P930-720930 to 11001540
+P1000-8601000 to 120010-
+P1070-10001070 to 127010-
Thickness or diameter up to 100 mm; +AT = solution annealed, +P = precipitation hardened.
Source: EN 10088-3:2014, Table 12
Proof strength at elevated temperature 5 temperatures
Temperature (deg C)Rp0.2 min, +P930 (MPa)Rp0.2 min, +P1000 (MPa)
100680785
150660755
200640730
250620710
300600690
Minimum values.
Source: EN 10088-3:2014, Table 24
Hot forming and heat treatment 4 conditions
ConditionSolution annealing temperature (deg C)Cooling after solution annealingPrecipitation hardening
+AT1030 to 1050oil, air-
+P9301030 to 1050oil, air4 h 620 deg C/air
+P10001030 to 1050oil, air4 h 580 deg C/air
+P10701030 to 1050oil, air4 h 550 deg C/air
Hot forming 1150 to 900 deg C, cooling: furnace, air. Informative guideline.
Source: EN 10088-3:2014, Table A.5

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