AMS QQA 200/3 2024

Product catalog summary

Typical Applications
Aerospace Components, Defence Components, High Technology Applications.

Product Description
This document describes a high-strength aluminium alloy with 3.8 to 4.9% copper, available in extruded bar and profile form. It is solution heat-treated and stretched to achieve the T3511 condition, adhering to American standards and various Euronorms.

Stock Range
Round Bar: 1/2” to 9” Diameter (12.7 to 228.6mm)
Flat & Squares: 1 1/4” Square to 8” X 4” (31.75mm Square to 203.2 X 101.6mm)

Machinability
Very Good

Corrosion Resistance
Poor resistance to atmospheric attack.

Surface Treatment
Anodising: Protective - Fair, Bright - Variable, Hard - Good, Colour - Fair (Dark Colours Only)
Plating: Very Good
Vitreous Enamelling: Unsuitable

Weldability
Brazing & Soldering, Oxygen, Inert Gas - Not Recommended
Resistance, Spot, Beam - Excellent

Production Tolerances
Refer to Tables 11.2 to 11.14 of U.S. Aluminium Standards & Data for manufacturing limits.

Chemical Composition (Weight %)
Al: REM, Si: Max 0.5, Fe: Max 0.5, Cu: 3.8-4.9, Mn: 0.3-0.9, Mg: 1.2-1.8, Cr: Max 0.1, Zn: Max 0.25, Ti: Max 0.15, Others: 0.05 Each Max, 0.15 Total

Mechanical Properties (Minima)

Up to 0.249 in: Tensile Strength 57 ksi, 0.2% Proof Stress 42 ksi, Elongation 12%
0.250 - 0.749 in: Tensile Strength 60 ksi, 0.2% Proof Stress 44 ksi, Elongation 12%
0.750 - 1.499 in: Tensile Strength 65 ksi, 0.2% Proof Stress 46 ksi, Elongation 10%
1.500 and over up to 25 sq. in: Tensile Strength 70 ksi, 0.2% Proof Stress 52 ksi, Elongation 10%
1.500 and over up to 32 sq. in: Tensile Strength 68 ksi, 0.2% Proof Stress 48 ksi, Elongation 8%

Technical Sales Assistance
Qualified metallurgists and engineers are available for further technical assistance.

Contact Information
Smiths Advanced Metals, Stratton Business Park, London Road, Biggleswade, Bedfordshire SG18 8QB United Kingdom
Tel: +44 (0) 1767 604 710
Fax: +44 (0)1767 315 340
Email: [email protected]
Website: www.smithsadvanced.com

Note: All information is based on approximate testing and does not constitute a guarantee of properties or processing possibilities.

Catalog excerpts

DATA SHEET TYPICAL APPLICATIONS Aerospace Components Defence Components High Technology Applications Very Good Resistance to Atmospheric Attack Poor A high strength 3.8 to 4.9% Copper alloy in extruded bar and profile form. Solution heat-treated and controlled stretched to achieve the T3511 condition, produced to the American Standard. General Engineering Euronorm - EN 573 / 755 AECMA Euronorm - BS EN 2318, 2633 SURFACE TREATMENT STOCK RANGE Anodising Protective Bright Hard Colour Plating Very Good Fair Variable Good Fair (Dark Colours Only) Vitreous Enamelling Unsuitable Flat & Squares WELDABILITY Brazing & Soldering Oxygen Inert Gas Resistance, Spot, Beam Not Recommended Not Recommended Not Recommended Excellent CUT TO SIZE SAWN BLANKSPRODUCTION TOLERANCES Cut to Length + 1.0mm - NIL Manufacturing limits are as stated in the Tables 11.2 to 11.14 of U.S. Aluminium Standards & Data. For further assistance please contact our Sales Dept / Laboratory. Our resident team of qualified metallurgists and engineers will be pleased to assist further on any technical topic. Smiths Advanced Metals Stratton Business Park, London Road, Biggleswade, Bedfordshire SG18 8QB United Kingdom Tel: +44 (0) 1767 604 710 Fax: +44 (0)1767 315 340 Email: [email protected] Website: www.smithsadvanced.com All information in this data sheet is based on approximate testing and is stated to the best of our knowledge and belief. It is presented apart from contractual obligations and does not constitute any guarantee of properties or of processing or application possibilities in individual cases. Our warranties & liabilities are stated exclusively in our terms of trading. © Smiths Advanced Metals 2014

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AMS QQA 200/3 2024

AMS QQA 200/3 2024

Catalog excerpts

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