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ASTM A959:2011 436 Steel: Specifications & Listings

ASTM A959:2011 436: Ferritic stainless steel type 436 (UNS S43600) with the composition limits of ASTM A959-11. Carbon up to 0.12% and chromium 16.0-18.0%.

Category: Stainless Steel
Grade Details
GradeASTM A959:2011 436
Standard ASTM A959:2011
ApplicationsWrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A240/A240M S43400 ASTM A240/A240M:2025 USA No activity yet
IS 11169 (Part 2) X04Cr17Mo1 IS 11169 (Part 2):2023 India No activity yet
ASTM A240/A240M S43600 ASTM A240/A240M:2025 USA No activity yet
EN 10088-3 X6CrMo17-1 EN 10088-3:2014 Europe No activity yet
EN 10088-1 X6CrMoNb17-1 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X6CrMo17-1 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-3 X6CrMoNb17-1 EN 10088-3:2014 Europe No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 434 ASTM A959:2011 Strong Match
ASTM A240/A240M S43400 ASTM A240/A240M:2025 Strong Match
IS 11169 (Part 2) X04Cr17Mo1 IS 11169 (Part 2):2023 Strong Match
ASTM A240/A240M S43600 ASTM A240/A240M:2025 Strong Match
IS 6603 X04Cr17Mo1 IS 6603:2024 Strong Match
EN 10088-3 X6CrMo17-1 EN 10088-3:2014 Strong Match
EN 10088-1 X6CrMoNb17-1 EN 10088-1:2014 Strong Match
EN 10088-1 X6CrMoNb17-1 EN 10088-1:2023 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 Cr Mn Mo P S Si
<=0.12 16.0-18.0 <=1.00 0.75-1.25 <=0.040 <=0.030 <=1.00

More data from ASTM A959:2011

From the standard
Other composition limits from Table 1 and its footnotes
UNS number
S43600
Metallurgical class
Ferritic grade: body-centered cubic, little or no tempered martensite, hardenable only slightly by cold working
Type
436 (designation originally assigned by the American Iron and Steel Institute)
Values
Maximum unless a range or minimum is shown; where two limits are shown for the same element in one grade the more stringent applies
Other elements (as printed)
Cb 5xC min; 0.80 max
These are the recommended composition limits of the A959 guide, intended for adoption by standards for stainless steel products; they are not a product specification.
Source: ASTM A959:2011, Table 1 and its footnotes

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