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ASTM A240/A240M:2025 S44725 Steel: Specifications & Listings

ASTM A240/A240M:2025 S44725: S44725: ferritic or martensitic (chromium) stainless steel plate, sheet and strip (UNS number, no type name printed). Specified in ASTM A240/A240M:2025.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S44725
Standard ASTM A240/A240M:2025
ApplicationsPressure vessels and general applications (plate, sheet and strip)
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 XM-27 ASTM A959:2011 Close Alternative
ASTM A276/A276M S44627 ASTM A276/A276M:2017 Close Alternative
ASTM A959 S32803 ASTM A959:2011 Related Material
ASTM A959 444 ASTM A959:2011 Related Material
ASTM A959 29-4 ASTM A959:2011 Related Material
EN 10088-1 X2CrMoSiS18-2-1 EN 10088-1:2023 Related Material
ASTM A959 26-3-3 ASTM A959:2011 Related Material
ASTM A959 S32950 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
<=0.015 <=0.40 <=0.040 <=0.020 <=0.040 25.0-28.5 <=0.30 1.5-2.5 <=0.018
Mechanical Properties
Tensile Strength >=450 MPa
Yield Strength >=275 MPa
Elongation >=20%
Hardness <=210 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 (%)
All45027520
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
All21095 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
180 deg
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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