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ASTM A240/A240M:2025 N08330 Steel: Specifications & Listings

ASTM A240/A240M:2025 N08330: N08330: austenitic (chromium-nickel or chromium-manganese-nickel) 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 N08330
Standard ASTM A240/A240M:2025
ApplicationsPressure vessels and general applications (plate, sheet and strip)
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X10NiCrSi35-19 EN 10088-1:2014 Close Alternative
EN 10088-1 X10NiCrSi35-19 EN 10088-1:2023 Close Alternative
EN 10088-1 X12NiCrSi35-16 EN 10088-1:2014 Close Alternative
EN 10088-1 X12NiCrSi35-16 EN 10088-1:2023 Close Alternative
ASTM A240/A240M N08332 ASTM A240/A240M:2025 Close Alternative
ASTM A959 SS304 ASTM A959:2011 Related Material
EN 10088-1 X5CrNi18-10 EN 10088-1:2014 Related Material
ASTM A959 302 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 Cu Pb Sn
<=0.08 <=2.00 <=0.030 <=0.030 0.75-1.50 17.0-20.0 34.0-37.0 <=1.00 <=0.005 <=0.025
Mechanical Properties
Tensile Strength >=483 MPa
Yield Strength >=207 MPa
Elongation >=30%
Hardness <=90 HRBW
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 (%)
All48320730
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
All-90 HRBW
Maximum values; either Brinell or Rockwell scale may be used. Hardness is for information only.
Source: ASTM A240/A240M:2025, Table 2

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