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ASTM A240/A240M:2025 S38100 Steel: Specifications & Listings

ASTM A240/A240M:2025 S38100: S38100 (type XM-15): austenitic (chromium-nickel or chromium-manganese-nickel) stainless steel plate, sheet and strip (UNS S38100). Specified in ASTM A240/A240M:2025.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S38100
Standard ASTM A240/A240M:2025
ApplicationsPressure vessels and general applications (plate, sheet and strip)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A959 XM-15 (S38100) ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 XM-15 (S38100) ASTM A959:2011 Strong Match
ASTM A959 SS304 ASTM A959:2011 Related Material
ASTM A959 SS310 ASTM A959:2011 Related Material
EN 10088-1 X5CrNi18-10 EN 10088-1:2014 Related Material
EN 10088-1 X8CrNi25-21 EN 10088-1:2014 Related Material
IS 1570 (Part 5) X04Cr19Ni9 IS 1570 (Part 5):1985 Related Material
IS 1570 (Part 5) X07Cr18Ni9 IS 1570 (Part 5):1985 Related Material
IS 1570 (Part 5) X04Cr18Ni10Ti IS 1570 (Part 5):1985 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 Mn P S Si Cr Ni
<=0.08 <=2.00 <=0.030 <=0.030 1.50-2.50 17.0-19.0 17.5-18.5
Mechanical Properties
Tensile Strength >=515 MPa
Yield Strength >=205 MPa
Elongation >=40%
Hardness <=217 HB
Condition Plate, sheet and strip; yield by 0.2 percent offset

More data from ASTM A240/A240M:2025

From the standard
Mechanical properties 1 condition(s)
Product or thicknessTensile strength, min (MPa)Yield strength, min (MPa)Elongation in 50 mm, min (%)
All51520540
Minimum values; yield strength by the 0.2 percent offset method.
Source: ASTM A240/A240M:2025, Table 2
Hardness 1 condition(s)
Product or thicknessBrinell HBW, maxRockwell, max
All21795 HRBW
Maximum values; either Brinell or Rockwell scale may be used.
Source: ASTM A240/A240M:2025, Table 2
Cold bend 1 value
Cold bend angle
not required
Bend tests are not required for chromium steels thicker than 1 in. [25 mm] or for any austenitic or duplex steel regardless of thickness.
Source: ASTM A240/A240M:2025, Table 2

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