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Nickel Aluminium Bronze Specification Comparison

A side-by-side reference for the most-specified Nickel-Aluminium Bronze grades; DEF STAN 02-833 (GR and CL), UNS C63200, UNS C63000 and CW307G. Composition and mechanical values are transcribed directly from the published specifications.

Compare Alloys across the Nickel-Aluminium Bronze Material Type

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Alloy 1

Specification limits

Alloy 2

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Alloy 3

Specification limits

PropertyDEF STAN 02-833(GR)UNS C63200UNS C63000
Alloy typeWrought nickel aluminium bronzeWrought nickel aluminium bronzeWrought nickel aluminium bronze
Nominal compositionCuAl10Ni5Fe4 (wrought)CuAl9Ni5Fe4MnCuAl10Ni5Fe4
Tensile strength≥ 680 MPa≥ 90 ksi≥ 620 MPa
Proof / yield strength-≥ 50 ksi≥ 235
Elongation-≥ 18 (4D or thickness)≥ 10 (in 2 in / 50 mm)
Hardness165 - 200 HBNot published180 - 240 HB
Izod impact-Not publishedNot published
Density7590 kg/m³Not published7580 kg/m³ @ 20 °C
Melting range1060–1075 °C1035 – 1054 °C1049–1071 °C
Thermal conductivity42 W/m·KNot published0.391 W/cm·°C @ 20 °C
Relative magnetic permeability1.5 µNot published1.4 µ
Product formsBar, Rod, Plate, Sheet, Tube, Sections, RingsBar, Rod, Plate, Sheet, Tube, Sections, RingsBar, Rod, Plate, Sheet, Tube, Sections, Rings
Typical industriesNaval Defence, Marine, AerospaceMarine, Naval Defence, Aerospace, PetrochemicalAerospace, Marine, Naval Defence, Petrochemical
Key equivalent specificationsC61900, BS 2874 CA105, DEF STAN 02-833 Part 2, Grade 1-2 Class 1-4, DEF STAN 02-833 Part 1, DEF STAN 02-879 Part 2, DEF STAN 02-886ASTM B150 C63200, ASTM B124 C63200, ASTM B171 C63200, QQ-C-465B (1) C63200, MIL-B-24059 (3), MIL-B-16166BASTM B150 C63000, ASTM B124 C63000, ASTM B171 C63000, QQ-C-465B (1) C63000, AMS 4640, MIL-B-16166
Basis of figuresSpecification limitsSpecification limitsSpecification limits

Information Provided is for Reference Only

All chemical, mechanical, production, product-form and industry-application figures on this page are indicative estimates compiled for general reference and to aid early-stage material selection. They are not engineering, procurement, safety, regulatory or design advice and must not be relied upon as such.

Specifications are revised over time and permissible values, product availability and suitability for a given application vary by manufacturer, heat treatment, product form and end use. Before specifying, purchasing or using any material, confirm the requirements against the current controlled version of the relevant standard and obtain a certified material test report and written technical confirmation from Copper Alloys Ltd or another qualified foundry.

Copper Alloys Ltd accepts no liability for any loss or damage arising from reliance on the information presented on this page.