ASTM A276/A276M:2017 S32100 Steel: Specifications & Listings

ASTM A276/A276M:2017 S32100: S32100 (type 321): austenitic stainless steel bars and shapes. Specified in ASTM A276/A276M:2017.

Category: Stainless Steel
Grade Details
GradeASTM A276/A276M:2017 S32100
Standard ASTM A276/A276M:2017
ApplicationsStainless steel bars and shapes (hot-finished or cold-finished)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A240/A240M S32100 ASTM A240/A240M:2025 USA No activity yet
ASTM A240/A240M S32109 ASTM A240/A240M:2025 USA No activity yet
ASTM A240/A240M S34700 ASTM A240/A240M:2025 USA No activity yet
ASTM A240/A240M S34709 ASTM A240/A240M:2025 USA No activity yet
IS 1570 (Part 5) X04Cr18Ni10Ti IS 1570 (Part 5):1985 India No activity yet
IS 1570 (Part 5) X04Cr18Ni10Nb IS 1570 (Part 5):1985 India No activity yet
ASTM A959 347 ASTM A959:2011 USA No activity yet
BS 970 (Part 3) 321S31 BS 970 (Part 3):1991 UK No activity yet
BS 970 (Part 3) 347S31 BS 970 (Part 3):1991 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A240/A240M S32100 ASTM A240/A240M:2025 Strong Match
IS 1570 (Part 5) X04Cr18Ni10Ti IS 1570 (Part 5):1985 Strong Match
IS 1570 (Part 5) X04Cr18Ni10Nb IS 1570 (Part 5):1985 Strong Match
ASTM A240/A240M S32109 ASTM A240/A240M:2025 Strong Match
ASTM A959 347 ASTM A959:2011 Strong Match
BS 970 (Part 3) 321S31 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 3) 347S31 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 321S31 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 Mn P S Si Cr Ni Ti
<=0.08 <=2.00 <=0.045 <=0.030 <=1.00 17.0-19.0 9.0-12.0 <=0.70
Mechanical Properties
Tensile Strength >=515 MPa
Yield Strength >=205 MPa
Elongation >=40%
Condition Condition A (Annealed), hot-finished, all sizes (first row printed)

More data from ASTM A276/A276M:2017

From the standard
Mechanical requirements by condition and size 3 row(s)
ConditionFinishDiameter or thickness, in. [mm]Tensile strength, min (MPa)Yield strength, min (MPa)Elongation, min (%)Reduction of area, min (%)Brinell HBW, max
A (Annealed)hot-finishedall5152054050-
A (Annealed)cold-finishedup to 1/2 [12.70] incl6203103040-
A (Annealed)cold-finishedover 1/2 [12.70]5152053040-
Yield by the 0.2 percent offset method. Hardness is HBW unless otherwise indicated; equivalent Rockwell is permitted. For shapes of section thickness 1/2 in. [12.5 mm] or less, 30 percent elongation is acceptable. For extruded shapes of Cr-Ni grades in Condition A, yield 170 MPa and tensile 480 MPa minimum apply.
Source: ASTM A276/A276M:2017, Table 2

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