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ASTM A240/A240M:2025 S20200 Steel: Specifications & Listings

ASTM A240/A240M:2025 S20200: S20200 (type 202): austenitic (chromium-nickel or chromium-manganese-nickel) stainless steel plate, sheet and strip (UNS S20200). Specified in ASTM A240/A240M:2025.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S20200
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 202 ASTM A959:2011 USA No activity yet
EN 10088-1 X12CrMnNiN18-9-5 EN 10088-1:2014 Europe (CEN) No activity yet
ASTM A959 201 ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 202 ASTM A959:2011 Strong Match
EN 10088-1 X12CrMnNiN18-9-5 EN 10088-1:2014 Strong Match
EN 10088-1 X12CrMnNiN18-9-5 EN 10088-1:2023 Strong Match
ASTM A959 201 ASTM A959:2011 Strong Match
EN 10088-1 X12CrMnNiN17-7-5 EN 10088-1:2014 Close Alternative
EN 10088-1 X12CrMnNiN17-7-5 EN 10088-1:2023 Close Alternative
EN 10088-1 X9CrMnNiCu17-8-5-2 EN 10088-1:2014 Close Alternative
EN 10088-1 X9CrMnNiCu17-8-5-2 EN 10088-1:2023 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
<=0.15 7.50-10.00 <=0.060 <=0.030 <=1.00 17.0-19.0 4.0-6.0 <=0.25
Mechanical Properties
Tensile Strength >=620 MPa
Yield Strength >=260 MPa
Elongation >=40%
Hardness <=241 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 (%)
All62026040
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
All241-
Maximum values; either Brinell or Rockwell scale may be used.
Source: ASTM A240/A240M:2025, Table 2

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