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Specialty Steels

ATI 9-4-30

VascoMax® C-250

VascoMax C-300

VascoMax C-350

ATI S240®

ATI AL-6XN®

ATI 13-8Mo

ATI 13-8 SuperTough®

ATI 15-5

ATI 17-4 PH

ATI XM-19

ATI 304 L

ATI 316 L

REX 734™

ATI H-46

ATI 455

ATI Jethete® M152

ATI A-286

ATI S240® (Unassigned)

Composition
Compound AI C Cr Cu Mo
nominal wt. % 1.0 0.01 11.5 1.0 1.0
Compound Ni P S Si Ti
nominal wt. % 10.5 0.001 0.001 0.005 0.4
Compound W        
nominal wt. % 1.5        

Mechanical Properties
Density lb/in3 (g/cm3)
0.281 (lb/in3)
Metallurgical Condition Solution Annealed and Aged to H950
Tensile Strength, ksi (MPa) 243 (1675)
0.2% Yield Strength, ksi (MPa) 231 (1593)
Elongation, % 12
Reduction in Area, % 46
Typical Hardness 48.5
Fracture Toughness, ksi-in1/2 79

ATI S240® Technical Data Sheet 
in PDF Format

Typical room temperature mechanical properties.

The information, data, and specifications presented here are representative only, and are not guaranteed values. Material or product applications described herein are solely for illustrative purposes and should not be construed as express or limited warranties for fitness for these or other applications.

Data are typical and should not be construed as maximum or minimum values for specification or for final design. Data on any particular piece of material may vary from those shown herein.