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EN 10088-2:2014 X5CrNiCuNb16-4 Steel: Specifications & Listings

EN 10088-2:2014 X5CrNiCuNb16-4: X5CrNiCuNb16-4: precipitation hardening corrosion resisting stainless steel, material number 1.4542. Specified in EN 10088-2:2014.

Category: Stainless Steel
Grade Details
GradeEN 10088-2:2014 X5CrNiCuNb16-4
Standard EN 10088-2:2014
ApplicationsGeneral purposes, hot or cold rolled sheet/plate and strip
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10088-1 X5CrNiCuNb16-4 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X5CrNiCuNb16-4 EN 10088-1:2014 Strong Match
EN 10088-1 X5CrNiCuNb16-4 EN 10088-1:2023 Strong Match
EN 10088-1 X4CrNiMo16-5-1 EN 10088-1:2014 Close Alternative
EN 10088-1 X4CrNiMo16-5-1 EN 10088-1:2023 Close Alternative
ASTM A959 329 ASTM A959:2011 Related Material
EN 10088-1 X5CrNiMoCuNb14-5 EN 10088-1:2014 Related Material
EN 10088-1 X5CrNiMoCuNb14-5 EN 10088-1:2023 Related Material
IS 6603 X05Cr16Ni4CuNb IS 6603:2024 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 <=1.50 <=0.040 <=0.015 15.0-17.0 <=0.60 3.0-5.0 3.0-5.0 <=0.45
Mechanical Properties
Tensile Strength <=1275 MPa
Elongation >=5%
Condition Solution annealed (+AT, delivery condition), cold rolled strip, up to 8 mm thick

More data from EN 10088-2:2014

From the standard
Mechanical properties by heat treatment condition 7 conditions
Product formMax thickness (mm)ConditionRp0.2 min (MPa)Rm (MPa)A80 min, under 3 mm thick (%)A min, 3 mm and over (%)
Cold rolled strip8+AT-<= 127555
Cold rolled strip8+P13001150>= 130033
Cold rolled strip8+P900700>= 90066
Hot rolled plate50+P107010001070 to 1270810
Hot rolled plate50+P950800950 to 11501012
Hot rolled plate50+P850600850 to 10501214
Hot rolled plate50+SR 630-<= 1050--
+AT = solution annealed, +P = precipitation hardened, +SR = strength relieved.
Source: EN 10088-2:2014, Table 11
Proof strength at elevated temperature 5 temperatures
Temperature (deg C)Rp0.2 min, +P1070 (MPa)Rp0.2 min, +P950 (MPa)Rp0.2 min, +P850 (MPa)
100880730680
150830710660
200800690640
250770670620
300750650600
Minimum values.
Source: EN 10088-2:2014, Table 16
Hot forming and heat treatment 7 conditions
ConditionSolution annealing (deg C)CoolingStress relieving or precipitation hardening
+AT1025 to 1055air-
+P8501025 to 1055air4 h at 610 to 630 deg C
+P9001025 to 1055air1 h at 590 to 610 deg C
+P9501025 to 1055air1 h at 580 to 600 deg C
+P10701025 to 1055air1 h at 540 to 560 deg C
+P13001025 to 1055air1 h at 470 to 490 deg C
+SR 630--at least 4 h at 600 to 660 deg C
Hot forming 1150 to 900 deg C, air. After martensitic transformation, solution annealing at 1025 to 1055 deg C is needed before precipitation hardening.
Source: EN 10088-2:2014, Table A.5

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