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EN 10088-3:2014 X5CrNiCuNb16-4 Steel: Specifications & Listings

EN 10088-3:2014 X5CrNiCuNb16-4: X5CrNiCuNb16-4: precipitation hardening corrosion resisting stainless steel, material number 1.4542. Specified in EN 10088-3:2014.

Category: Stainless Steel
Grade Details
GradeEN 10088-3:2014 X5CrNiCuNb16-4
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 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
IS 6603 X05Cr16Ni4CuNb IS 6603:2024 Close Alternative
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 10088-3 X5CrNiMoCuNb14-5 EN 10088-3:2014 Related Material
EN 10088-1 X5CrNiMoCuNb14-5 EN 10088-1:2014 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 <=0.030 15.0-17.0 <=0.60 3.0-5.0 3.0-5.0 <=0.45
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 5 conditions
ConditionHardness HBW, max (guidance)Rp0.2 min (MPa)Rm (MPa)A min, longitudinal (%)KV2 min, longitudinal (J)
+AT360-max. 1200--
+P800-520800 to 9501875
+P930-720930 to 11001640
+P960-790960 to 116012-
+P1070-10001070 to 127010-
Thickness or diameter up to 100 mm; +AT = solution annealed, +P = precipitation hardened.
Source: EN 10088-3:2014, Table 12
Bright bars, annealed and precipitation hardened 8 rows
Thickness or diameter (mm)Annealed Rm max (MPa)Annealed HB max (information)ConditionRp0.2 min (MPa)Rm (MPa)A5 min (%)KV2 min, longitudinal (J)
up to 101200360+P800600900 to 110010-
over 10 to 161200360+P800600900 to 110010-
over 16 to 401200360+P800520800 to 10501275
over 40 to 631200360+P800520800 to 10001875
over 63 to 1601200360+P800520800 to 9501875
up to 100--+P930720930 to 11001240
up to 100--+P960790960 to 116010-
up to 100--+P107010001070 to 127010-
Bright bars, conditions 2H, 2B, 2G or 2P.
Source: EN 10088-3:2014, Table 17
Proof strength at elevated temperature 5 temperatures
Temperature (deg C)Rp0.2 min, +P800 (MPa)Rp0.2 min, +P930 (MPa)Rp0.2 min, +P960 (MPa)Rp0.2 min, +P1070 (MPa)
100500680730880
150490660710830
200480640690800
250470620670770
300460600650750
Minimum values.
Source: EN 10088-3:2014, Table 24
Hot forming and heat treatment 5 conditions
ConditionSolution annealing temperature (deg C)Cooling after solution annealingPrecipitation hardening
+AT1030 to 1050oil, air-
+P8001030 to 1050oil, air2 h 760 deg C/air + 4 h 620 deg C/air
+P9301030 to 1050oil, air4 h 620 deg C/air
+P9601030 to 1050oil, air4 h 590 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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