Chemical Composition Base Element Fe (Iron) C (Carbon) 0.13 % (maximum) Fe (Iron) 89 to 91.5 % (estimate) Mn (Manganese) 0.9 % (maximum) Ni (Nickel) 8.4 to 9.6 % Si (Silicon) 0.13 to 0.32 % 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 517 MPa Ultimate Tensile Strength 689 MPa Elongation 22 to 100 % strain Other Information Material Class Ferrous Alloy Country USA Description Double normalized and tempered: 100,000 TS min; 75,000 YS min; 22 El min. Combination of high strength and resistance to brittle fracture at temperatures down to -320 F. Designation B&W NICOLOY 9 Specification Type Manufacturer's Specification Specification Status Active Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Wrought Similar Alloys Click here to find similar alloys Links Organizations Babcock & Wilcox (Power Generation Group)
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Chemical Composition

Base Element

Fe (Iron)

C (Carbon)

0.13

% (maximum)

Fe (Iron)

89 to 91.5

% (estimate)

Mn (Manganese)

0.9

% (maximum)

Ni (Nickel)

8.4 to 9.6

Si (Silicon)

0.13 to 0.32

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

517

MPa

Ultimate Tensile Strength

689

MPa

Elongation

22 to 100

% strain

Other Information

Material Class

Ferrous Alloy

Country

USA

Description

Double normalized and tempered: 100,000 TS min; 75,000 YS min; 22 El min. Combination of high strength and resistance to brittle fracture at temperatures down to -320 F.

Designation

B&W NICOLOY 9

Specification Type

Manufacturer's Specification

Specification Status

Active

Source

Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000

Available forms

Wrought

Similar Alloys

Click here to find similar alloys

Links

Organizations

Babcock & Wilcox (Power Generation Group)

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