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ASTM A959:2011 S30600 Steel: Specifications & Listings

ASTM A959:2011 S30600: Austenitic stainless steel grade (UNS S30600) with the composition limits of ASTM A959-11. Carbon up to 0.018% and chromium 17.0-18.5%.

Category: Stainless Steel
Grade Details
GradeASTM A959:2011 S30600
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 S30600 ASTM A240/A240M:2025 USA No activity yet
EN 10088-1 X1CrNiSi18-15-4 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-3 X1CrNiSi18-15-4 EN 10088-3:2014 Europe No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A240/A240M S30600 ASTM A240/A240M:2025 Strong Match
EN 10088-1 X1CrNiSi18-15-4 EN 10088-1:2014 Strong Match
EN 10088-1 X1CrNiSi18-15-4 EN 10088-1:2023 Strong Match
EN 10088-3 X1CrNiSi18-15-4 EN 10088-3:2014 Strong Match
EN 10088-2 X1CrNiSi18-15-4 EN 10088-2:2014 Strong Match
ASTM A240/A240M S30616 ASTM A240/A240M:2025 Close Alternative
ASTM A959 S30601 ASTM A959:2011 Related Material
ASTM A240/A240M S30601 ASTM A240/A240M:2025 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 Cr Cu Mn Mo Ni P S Si
<=0.018 17.0-18.5 <=0.50 <=2.00 <=0.20 14.0-15.5 <=0.020 <=0.020 3.7-4.3

More data from ASTM A959:2011

From the standard
Other composition limits from Table 1 and its footnotes
UNS number
S30600
Metallurgical class
Austenitic grade: usually predominantly face-centered cubic, hardenable only 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)
Cu 0.50
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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