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ASTM A240/A240M:2025 S32803 Steel: Specifications & Listings

ASTM A240/A240M:2025 S32803: S32803: ferritic or martensitic (chromium) stainless steel plate, sheet and strip (UNS number, no type name printed). Specified in ASTM A240/A240M:2025. Combined limit (percent): C + N at most 0.030.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S32803
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 S32803 ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 S32803 ASTM A959:2011 Strong Match
ASTM A959 444 ASTM A959:2011 Related Material
ASTM A959 S32950 ASTM A959:2011 Related Material
ASTM A959 29-4 ASTM A959:2011 Related Material
ASTM A959 29-4-2 ASTM A959:2011 Related Material
EN 10088-1 X1CrNiMoN25-22-2 EN 10088-1:2014 Related Material
EN 10088-1 X1CrNiMoN25-22-2 EN 10088-1:2023 Related Material
ASTM A959 S32003 ASTM A959:2011 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 Mo N Nb
<=0.015 <=0.50 <=0.020 <=0.0035 <=0.55 28.0-29.0 3.0-4.0 1.80-2.50 <=0.020 0.15-0.50
Mechanical Properties
Tensile Strength >=600 MPa
Yield Strength >=500 MPa
Elongation >=16%
Hardness <=241 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 (%)
All60050016
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
All241100 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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