Chemical Composition Base Element Fe (Iron) B (Boron) 0.002 to 0.004 % C (Carbon) 0.15 to 0.21 % Cr (Chromium) 0.8 to 1.1 % Fe (Iron) 96.3 to 97.5 % (estimate) Mn (Manganese) 0.7 to 1 % Mo (Molybdenum) 0.2 to 0.3 % Ni (Nickel) 0.4 to 0.7 % Si (Silicon) 0.2 to 0.35 % 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 689 MPa Ultimate Tensile Strength 758 to 1000 MPa Elongation 15 to 100 % strain Other Information Material Class Ferrous Alloy Country USA Description Quenched and tempered: 110,000-145,000 TS; 100,000 YS min; 15 El min (up to 0.750 in. thick). Good strength, toughness and weldability; for structural applications. Designation B&W STROLOY 2A 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)

B (Boron)

0.002 to 0.004

C (Carbon)

0.15 to 0.21

Cr (Chromium)

0.8 to 1.1

Fe (Iron)

96.3 to 97.5

% (estimate)

Mn (Manganese)

0.7 to 1

Mo (Molybdenum)

0.2 to 0.3

Ni (Nickel)

0.4 to 0.7

Si (Silicon)

0.2 to 0.35

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

689

MPa

Ultimate Tensile Strength

758 to 1000

MPa

Elongation

15 to 100

% strain

Other Information

Material Class

Ferrous Alloy

Country

USA

Description

Quenched and tempered: 110,000-145,000 TS; 100,000 YS min; 15 El min (up to 0.750 in. thick). Good strength, toughness and weldability; for structural applications.

Designation

B&W STROLOY 2A

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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