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ASTM A240/A240M:2025 S44735 Steel: Specifications & Listings

ASTM A240/A240M:2025 S44735: S44735: 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 0.20-1.00.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S44735
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 29-4C ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 29-4C ASTM A959:2011 Strong Match
ASTM A959 26-3-3 ASTM A959:2011 Close Alternative
ASTM A959 29-4 ASTM A959:2011 Close Alternative
ASTM A959 316L ASTM A959:2011 Related Material
ASTM A959 317L ASTM A959:2011 Related Material
ASTM A959 444 ASTM A959:2011 Related Material
ASTM A959 25-4-4 ASTM A959:2011 Related Material
BS 970 (Part 3) 316S11 BS 970 (Part 3):1991 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
<=0.030 <=1.00 <=0.040 <=0.030 <=1.00 28.0-30.0 <=1.00 3.6-4.2 <=0.045
Mechanical Properties
Tensile Strength >=550 MPa
Yield Strength >=415 MPa
Elongation >=18%
Hardness <=255 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 (%)
All55041518
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
All25525 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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