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EN 10088-2:2014 X6CrNiMoNb17-12-2 Steel: Specifications & Listings

EN 10088-2:2014 X6CrNiMoNb17-12-2: X6CrNiMoNb17-12-2: austenitic corrosion resisting stainless steel, material number 1.4580. Specified in EN 10088-2:2014.

Category: Stainless Steel
Grade Details
GradeEN 10088-2:2014 X6CrNiMoNb17-12-2
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 X6CrNiMoNb17-12-2 EN 10088-1:2014 Europe (CEN) No activity yet
BS 970 (Part 3) 316S31 BS 970 (Part 3):1991 UK No activity yet
BS 970 (Part 3) 320S31 BS 970 (Part 3):1991 UK No activity yet
EN 10088-1 X6CrNiMoTi17-12-2 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X5CrNiMo17-12-2 EN 10088-1:2014 Europe (CEN) 3 listings, 0 RFQs →
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X6CrNiMoTi17-12-2 EN 10088-1:2014 Strong Match
EN 10088-1 X6CrNiMoNb17-12-2 EN 10088-1:2014 Strong Match
EN 10088-1 X6CrNiMoTi17-12-2 EN 10088-1:2023 Strong Match
EN 10088-1 X6CrNiMoNb17-12-2 EN 10088-1:2023 Strong Match
BS 970 (Part 3) 316S31 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 316S31 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 3) 320S31 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 320S31 BS 970 (Part 1):1983 Strong Match
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 Nb
<=0.08 <=1.00 <=2.00 <=0.045 <=0.015 16.5-18.5 2.00-2.50 10.5-13.5 <=1.00
Mechanical Properties
Tensile Strength 520-720 MPa
Yield Strength >=220 MPa
Elongation >=40%
Condition Solution annealed (+AT), hot rolled plate, up to 75 mm thick; Yield Strength is Rp0.2 (transverse), Elongation is A80 for under 3 mm thick

More data from EN 10088-2:2014

From the standard
Mechanical properties by product form and thickness 1 product form
Product formMax thickness (mm)Rp0.2 min (MPa)Rp1.0 min (MPa)Rm (MPa)A80 min, under 3 mm thick (%)A min, 3 mm and over (%)
Hot rolled plate75220260520 to 7204040
Solution annealed condition; proof strength and elongation are minimum transverse values.
Source: EN 10088-2:2014, Table 7
Impact energy KV2 (ISO-V) 1 rows
Product formMax thickness (mm)KV2 longitudinal, min (J)KV2 transverse, min (J)
Hot rolled plate7510060
Applies to products more than 10 mm thick, ISO-V notch, room temperature.
Source: EN 10088-2:2014, Table 7
Proof strength at elevated temperature 10 temperatures
Temperature (deg C)Rp0.2 min (MPa)Rp1.0 min (MPa)
100186221
150177206
200167196
250157186
300145175
350140169
400135164
450131160
500129158
550127157
Minimum values, solution annealed (+AT).
Source: EN 10088-2:2014, Table 12
Hot forming and solution annealing guideline temperatures
Hot forming temperature
1150 to 850 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
1030 to 1110 deg C
Cooling after solution annealing
water, air
Informative guideline; cooling must be rapid enough to avoid intergranular corrosion.
Source: EN 10088-2:2014, Table A.1

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