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ASTM A959:2011 S41045 Steel: Specifications & Listings

ASTM A959:2011 S41045: Ferritic stainless steel grade (UNS S41045) with the composition limits of ASTM A959-11. Carbon up to 0.030% and chromium 12.0-13.0%.

Category: Stainless Steel
Grade Details
GradeASTM A959:2011 S41045
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 S41045 ASTM A240/A240M:2025 USA No activity yet
JIS G4304 SUS410L JIS G4304:2021 Japan No activity yet
ASTM A240/A240M S41003 ASTM A240/A240M:2025 USA No activity yet
ASTM A240/A240M S40930 ASTM A240/A240M:2025 USA No activity yet
ASTM A959 S40910 ASTM A959:2011 USA No activity yet
ASTM A959 S40920 ASTM A959:2011 USA No activity yet
ASTM A959 S40945 ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A240/A240M S41045 ASTM A240/A240M:2025 Strong Match
JIS G4304 SUS410L JIS G4304:2021 Strong Match
JIS G4305 SUS410L JIS G4305:2012 Strong Match
ASTM A959 S40910 ASTM A959:2011 Strong Match
ASTM A959 S40920 ASTM A959:2011 Strong Match
ASTM A959 S40930 ASTM A959:2011 Strong Match
ASTM A959 S40945 ASTM A959:2011 Strong Match
ASTM A959 S41003 ASTM A959:2011 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
<=0.030 12.0-13.0 <=1.00 <=0.030 <=0.50 <=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
S41045
Metallurgical class
Ferritic grade: body-centered cubic, little or no tempered martensite, hardenable only slightly by cold working
Type
No type number is printed; the grade is identified by its UNS number only
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 9x(C+N)-0.60
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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