Chemical Composition Base Element Fe (Iron) C (Carbon) 0.15 % (maximum) Cr (Chromium) 1.45 to 2 % Fe (Iron) 97.1 to 98 % (estimate) Mo (Molybdenum) 0.6 to 0.8 % Balance Fe (Iron) Composition Note Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Yield Strength 172 MPa Ultimate Tensile Strength 414 MPa Elongation 30 % strain Brinell Hardness 170 Other Information Material Class Ferrous Alloy Country USA Description Tubes: 60,000 TS; 25,000 YS; 30 El; 170 HB; For oil refinery equipment, heat exchangers; corrosion resistant to hot oils. Designation CROLOY 1-3/4 Specification Type Manufacturer's Specification Specification Status Obsolete Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Tube Similar Alloys Click here to find similar alloys Links Organizations Babcock & Wilcox (Power Generation Group)
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Chemical Composition