• Chemical Composition
• Heat Treatment and Mechanical Properties
• Product Marking

Chemical Composition

UNS DesignationB	TypeB	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Chromium	Nickel	Molybdenum	Nitrogen	Other Elements
Duplex (Ferritic-Austenitic) Grades
S32760	--	0.030	1.00	0.030	0.010	1.00	24.0-26.0	6.0-8.0	3.0-4.0	0.20-0.30	Cu 0.50-1.00, W 0.50-1.00, %Cr+3.3x%Mo +16x%N≥40

Note:

A. Maximum or range unless otherwise indicated.
B. See Guide A959/A959M.

Heat Treatment and Mechanical Property Requirements for Duplex Grades ^A

UNS Designation	Solution Temperature, °F [°C] B,C	Size Range	Mechanical Properties
			Tensile Strength, ksi [MPA]	Yield Strength, ksi [MPA]	Elongation in 2” [50 mm] or 4D %	HardnessD
						Rockwell, HRC maximum	Brinell, maximum
S32760	2010 [1100]	--	109 (750]	80 [550]	25	30	290

Note:

A. Values shown are minimums or ranges unless maximum is indicated.
B. ± 25°F [15°C].
C. Quenched in water.
D. Either Rockwell or Brinell testing is permitted unless thickness is below 1⁄2 ” in which case Rockwell is preferred.

Product Marking

UNS Designation	Type	Condition	Grade Symbol
Duplex (Ferritic-Austenitic) Grade
S32760	--	--	32760