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ASTM A240/A240M:2025 S34751 Steel: Specifications & Listings

ASTM A240/A240M:2025 S34751: S34751 (type 347LN): austenitic (chromium-nickel or chromium-manganese-nickel) stainless steel plate, sheet and strip (UNS S34751). Specified in ASTM A240/A240M:2025.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S34751
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 S34751 ASTM A959:2011 Close Alternative
ASTM A276/A276M S30453 ASTM A276/A276M:2017 Close Alternative
BS 970 (Part 3) 304S11 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 304S11 BS 970 (Part 1):1983 Close Alternative
ASTM A959 304L ASTM A959:2011 Close Alternative
EN 10088-1 X2CrNi18-9 EN 10088-1:2014 Close Alternative
EN 10088-1 X2CrNi18-9 EN 10088-1:2023 Close Alternative
EN 10088-1 X2CrNiN18-10 EN 10088-1:2014 Close Alternative
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 N Nb
0.005-0.020 <=2.00 <=0.045 <=0.030 <=1.00 17.0-19.0 9.0-13.0 0.06-0.10 0.20-0.50
Mechanical Properties
Tensile Strength >=515 MPa
Yield Strength >=205 MPa
Elongation >=40%
Hardness <=201 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
All20192 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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