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ASTM A240/A240M:2025 S44635 Steel: Specifications & Listings

ASTM A240/A240M:2025 S44635: S44635: 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): Ti + Nb at most 0.80.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S44635
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 25-4-4 ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 25-4-4 ASTM A959:2011 Strong Match
ASTM A959 26-3-3 ASTM A959:2011 Close Alternative
ASTM A959 S32520 ASTM A959:2011 Close Alternative
ASTM A959 317L ASTM A959:2011 Related Material
ASTM A959 2507 ASTM A959:2011 Related Material
ASTM A959 444 ASTM A959:2011 Related Material
ASTM A959 29-4C ASTM A959:2011 Related Material
EN 10088-1 X2CrNiMoN25-7-4 EN 10088-1:2014 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
<=0.025 <=1.00 <=0.040 <=0.030 <=0.75 24.5-26.0 3.5-4.5 3.5-4.5 <=0.035
Mechanical Properties
Tensile Strength >=620 MPa
Yield Strength >=515 MPa
Elongation >=20%
Hardness <=269 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 (%)
All62051520
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
All26928 HRC
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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