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ASTM A276/A276M:2017 S31730 Steel: Specifications & Listings

ASTM A276/A276M:2017 S31730: S31730: austenitic 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 S31730
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 A240/A240M S31730 ASTM A240/A240M:2025 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A240/A240M S31730 ASTM A240/A240M:2025 Strong Match
EN 10088-1 X2CrNiMo18-15-4 EN 10088-1:2014 Close Alternative
EN 10088-1 X2CrNiMo18-15-4 EN 10088-1:2023 Close Alternative
ASTM A959 317L ASTM A959:2011 Close Alternative
EN 10088-1 X2CrNiMoN18-12-4 EN 10088-1:2014 Close Alternative
EN 10088-1 X2CrNiMoN18-12-4 EN 10088-1:2023 Close Alternative
EN 10088-1 X2CrNiMo18-14-3 EN 10088-1:2014 Close Alternative
EN 10088-1 X2CrNiMo18-14-3 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 Mo N Cu
<=0.030 <=2.00 <=0.040 <=0.010 <=1.00 17.0-19.0 15.0-16.5 3.0-4.0 <=0.045 4.0-5.0
Mechanical Properties
Tensile Strength >=480 MPa
Yield Strength >=175 MPa
Elongation >=35%
Hardness <=90 HRB
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 1 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-finishedall48017535-90 HRB
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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