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ASTM A276/A276M:2017 S32550 Steel: Specifications & Listings

ASTM A276/A276M:2017 S32550: S32550: austenitic-ferritic (duplex) stainless steel bars and shapes (UNS number, no type name printed). Specified in ASTM A276/A276M:2017.

Category: Stainless Steel
Grade Details
GradeASTM A276/A276M:2017 S32550
Standard ASTM A276/A276M:2017
ApplicationsStainless steel bars and shapes (hot-finished or cold-finished)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A959 255 ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 255 ASTM A959:2011 Strong Match
EN 10088-1 X2CrNiMoN22-5-3 EN 10088-1:2014 Close Alternative
EN 10088-1 X2CrNiMoN22-5-3 EN 10088-1:2023 Close Alternative
ASTM A959 S31803 ASTM A959:2011 Close Alternative
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2014 Close Alternative
EN 10088-1 X2CrNiMoCuN25-6-3 EN 10088-1:2023 Close Alternative
ASTM A959 2205 ASTM A959:2011 Close Alternative
ASTM A959 S32520 ASTM A959:2011 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 Mo N Cu
<=0.04 <=1.50 <=0.040 <=0.030 <=1.0 24.0-27.0 4.5-6.5 2.9-3.9 0.10-0.25 1.50-2.50
Mechanical Properties
Tensile Strength >=750 MPa
Yield Strength >=550 MPa
Elongation >=25%
Hardness <=290 HB
Condition Condition A (Annealed), hot-finished or cold-finished, all sizes (first row printed)

More data from ASTM A276/A276M:2017

From the standard
Mechanical requirements by condition and size 2 row(s)
ConditionFinishDiameter or thickness, in. [mm]Tensile strength, min (MPa)Yield strength, min (MPa)Elongation, min (%)Reduction of area, min (%)Brinell HBW, max
A (Annealed)hot-finished or cold-finishedall75055025-290
S (Strain hardened)cold-finishedall86072016-335
Yield by the 0.2 percent offset method. Hardness is HBW unless otherwise indicated; equivalent Rockwell is permitted.
Source: ASTM A276/A276M:2017, Table 2

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