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ASTM A959:2011 304LHN Steel: Specifications & Listings

ASTM A959:2011 304LHN: Austenitic stainless steel type 304LHN (UNS S30454) with the composition limits of ASTM A959-11. Carbon up to 0.03% and chromium 18.0-20.0%.

Category: Stainless Steel
Grade Details
GradeASTM A959:2011 304LHN
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 A276/A276M S30454 ASTM A276/A276M:2017 USA No activity yet
ASTM A276/A276M S30453 ASTM A276/A276M:2017 USA No activity yet
ASTM A276/A276M S30403 ASTM A276/A276M:2017 USA No activity yet
IS 1570 (Part 5) X02Cr19Ni10 IS 1570 (Part 5):1985 India No activity yet
IS 6603 X02Cr18Ni9N IS 6603:2024 India No activity yet
IS 6603 X02Cr19Ni11 IS 6603:2024 India No activity yet
EN 10088-3 X2CrNi18-9 EN 10088-3:2014 Europe No activity yet
EN 10088-3 X2CrNiN18-10 EN 10088-3:2014 Europe No activity yet
EN 10088-3 X2CrNi19-11 EN 10088-3:2014 Europe No activity yet
JIS G4304 SUS304L JIS G4304:2021 Japan No activity yet
JIS G4304 SUS304LN JIS G4304:2021 Japan No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A276/A276M S30454 ASTM A276/A276M:2017 Strong Match
ASTM A959 304LN ASTM A959:2011 Strong Match
ASTM A276/A276M S30453 ASTM A276/A276M:2017 Strong Match
ASTM A276/A276M S30403 ASTM A276/A276M:2017 Strong Match
ASTM A240/A240M S30403 ASTM A240/A240M:2025 Strong Match
ASTM A240/A240M S30453 ASTM A240/A240M:2025 Strong Match
IS 1570 (Part 5) X02Cr19Ni10 IS 1570 (Part 5):1985 Strong Match
IS 11169 (Part 2) X02Cr19Ni10 IS 11169 (Part 2):1989 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 N Ni P S Si
<=0.03 18.0-20.0 <=2.00 0.16-0.30 8.0-11.0 <=0.045 <=0.030 <=1.00

More data from ASTM A959:2011

From the standard
Other composition limits from Table 1 and its footnotes
UNS number
S30454
Metallurgical class
Austenitic grade: usually predominantly face-centered cubic, hardenable only by cold working
Type
304LHN (common type number, not a trademark, widely used; not associated with any one product)
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
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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