Copper, Brass and Bronze Alloys Specifications

Grades & Specifications


	Standards / Specifications
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	AMS		Metals or alloys meet specific Aerospace Material Specification (AMS) guidelines established by the Society of Automotive Engineers (SAE).
	ASTM / ASME		The American Society for Testing and Materials (ASTM) is a non-profit organization that provides a forum for the development and publication of voluntary standards for materials, products, systems, and services. Most specifications from the American Society of Mechanical Engineers (ASME) are adopted from or very similar to ASTM specifications.
	Casting Grade (ICI, etc.)		Ingot or alloy shapes meet the requirements for casting stock from the Alloy Casting Institute (ACI), the American Die Casting Institute (ADCI), the American Society for Testing and Materials (ASTM), and the Investment Casting Institute (ICI).
	CDA		Metals or alloys meet compositional standards established by the Copper Development Association (CDA) of the United States.
	EN		European Norm or EuroNorm (EN) specifications have superseded several older, national designation systems such as BS, DIN, NS and SS.
	MIL-SPEC / Federal (QQS)		MIL-SPEC metals meet U.S. government standards and are suitable for military applications. QQ and QQS are prefixes used to designate specific metals.
	JIS		Japanese Industrial Standards (JIS) specify the standards used for industrial activities in Japan. The standardization process is coordinated by the Japanese Industrial Standards Committee and published through the Japanese Standards Association.
	SAE		Products meet alloy grades, specifications, or designations established by the Society of Automotive Engineers (SAE).
	UNS		Metals or alloys meet the compositional standards in the Unified Numbering System (UNS), which was established by the ASTM, SAE, and several metal trade associations and societies. UNS identifies metals and alloys with a letter and five numbers. For example, carbon and alloy steels are identified as Gnnnnn, where G is the letter nnnnn is the number.
	Specialty / Other		This refers to other unlisted, specialized, and OEM-specific (e.g., GE, P&W, Boeing, etc.) or proprietary material specifications.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	CDA Grade		Copper Development Association (CDA) grade and designation numbers for copper and copper alloys. · Only enter numeric values · To find a CDA 110, enter At Least:110; No More Than:110 · To find all CDA 1xx series: enter At Least:100; No More Than:199
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	UNS C Number		Unified Numbering System (UNS C) grade and designation numbers for copper and copper alloys. UNS C class is for copper and copper alloys. · Only enter numeric values · To find a UNS C11000, enter At Least:11000; No More Than:11000 · To find all UNS C1xxxx series: enter At Least:10000; No More Than:19999
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Shape / Form


	Shape / Form:
	Your choices are...
	Anode		Metals or alloys are supplied as anode shapes. Plating anodes are in used in plating or electroplating processes. Sacrificial anodes are used to protect steel or other metal structures from corrosion. Sacrificial anodes corrode preferentially, creating a galvanic cell that protects the steel or iron alloy in the process.
	Billet / Slab / Bloom		Billets, slabs, or blooms are massive, hot rolled, or forged blocks of metals or alloys. These forms can have semifinished square, rectangular slab, or round cross-sections. Producing billets or blooms from ingots by forging is called cogging. Hot-rolling ingots is a process called blooming. Billets are used as feedstock for rolling operations and in the machining of large components. Slabs are semi-finished steel blocks, usually with widths that are at least twice their thickness.
	Bar Stock		Materials are supplied or available as bars, rod stock, or billets. Bars or rods may have a round, square, rectangular/flat, hexagonal, or oval-shaped cross-section.
	Flats / Rectangular Bar		Materials are supplied or available as square bars, bar stock, or billets. Squares have a cross-section where two unequal sides proscribe a right angle between the surfaces.
	Squares / Square Bar		Materials are supplied or available as square bars, bar stock, or billets. Squares have a cross-section where two equal sides proscribe a right angle between surfaces.
	Rod / Round Bar Stock		Materials are supplied or available as rod stock with a round cross-section.
	Hex Bar Stock		Materials are supplied or available as hexagonal stock with a hex-shaped cross-section.
	Foil		Foil is very thin sheet or strip stock with a thickness of less than 0.006".
	Fabricated (Casting / Forging)		Materials are fabricated as custom or application-specific shapes.
	Ingot		Materials are supplied or available as ingots or casting stock product forms.
	Plate		Materials are supplied or available as plates. Plates have a thickness of at least 0.250", but may be larger than 1/4".
	Powder		Materials are available as powders, granules, or flakes.
	Filler / Reinforcement		Powder or particulate materials are designed or suitable for filler or reinforcement applications.
	Profile / Structural Shape		Profiles and structural shapes include shaped stock with uniform cross sections such tees, angles, channels, I-beams, rectangular tubes, and other cross sectional shapes. These shapes are manufactured through extrusion, continuous casting, roll forming, or other processes.
	Angle		Material is supplied or available in a stock form with an "L" or angle-shaped cross section.
	Beam / I-Beam		Material is supplied or available in a stock form with an I-beam or I-shaped cross-section.
	Channel		This material is supplied or available in a stock form with a "C" or channel shaped cross-section.
	Tee		This material is supplied or available in a stock form with a "T" or T-shaped cross-section.
	Semi-finished Shape / Mill Stock		Semi-finished metal shapes or stock shapes are suitable for part fabrication by machining, assembly, or other processes. Stock shapes are also used as feedstock for casting, forging, spinning, and other forming processes. Semi-finished metal shapes and stock include forms such as bar stock, rods, plates, strips, wire, shaped wire, hexagonal shapes, billets, sheets, and foil.
	Sheet		Materials can be supplied or available as sheets or foil. Sheets have a thickness between 0.006" and 0.250" and are 24" (609.6 mm) or larger in width. Typically, sheets are formed to precise thicknesses and/or width requirements. Hardness and surface finish properties can be controlled by the rolling process, which usually consists of cross-rolling.
	Shim / Shim Stock		Thin brass, steel, or metal stock is manufactured to precise thicknesses for shimming, chocking, or spacing applications.
	Sphere / Ball (Bearing Ball)		Metals are available as spheres or precision-ground balls. Precision balls are used to fabricate bearing balls, ball valve balls, check valve balls, and measuring balls.
	Strand / Multi-filament		Strand or multi-filament stock consists of multiple filaments or wires that are wound or braided together.
	Strip		Materials are supplied or available as strips. Strips are usually 0.187" (3/16", 4.76 mm) or less in thickness and under 24" (609.6 mm) in width. Typically, strips are formed to precise thicknesses and/or width requirements. Hardness and surface finish properties can be controlled by the rolling process, which usually consists of cross-rolling.
	Wire / Shaped Wire		Materials are supplied or available as round wire, shaped wire, or flattened wire. Wire is less than 0.375" in diameter.
	Other		This refers to other unlisted, specialized or proprietary forms or stock types.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Coil Stock?		Materials are supplied or available as coils, reels, or other wound stock forms.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Hollow Stock?		Materials are supplied or available as tubes, pipes, or hollow stock with an open internal bore.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Size / Dimensions


	Overall Width / OD		This is the overall width or outer diameter (OD) of stock forms such as bars, plates, and tubes. Overall width is the average particulate diameter for raw materials such as powders, granules, and pellets.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Overall Length		This is the length of stock materials such as bars, rods, plates, and tubes.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Overall Thickness		This is the overall thickness of stock forms, tube walls, or other fabricated components.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	ID		This is the internal diameter (ID) or inner dimension of tubes or other hollow, stock shapes.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Features



	Your choices are...
	Cast (Continuous, Centrifugal)		Cast alloy stocks or shapes are produced in a casting process such as continuous casting or centrifugal casting.
	Powdered Metal (Compacted)		Powered metal stock or shapes are fabricated by consolidating or compacting powdered or atomized versions or the metal or alloy. Powder processing eliminates the possibility of large inclusions and can produce a finer structure compared to conventional wrought processes.
	Wrought		Wrought metals or alloys are worked mechanically to refine their structure, break up inclusion, close porosity, and improve homogeneity.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Features
	Your choices are...
	Amorphous / Glassy Alloy		Amorphous or glassy alloys do not have a crystal structure, which results in their superior or unique magnetic properties, corrosion resistance, and mechanical and electrical properties.
	Anti-slip / Textured		Plates, bars, angles, or other stock metal shapes have a texture or non-slip surface such as an embossed diamond pattern or an anti-slip abrasive coating.
	Coated / Painted		Metal or alloy stock or shapes are coated with a protective or decorative layer of paint, resin, plating, thermal spray deposit, or other organic or inorganic material.
	Cold Finished / Rolled		Alloy stock or shapes are produced in a process that mechanically deforms or works the material at a temperature that is below the recrystallization point of the alloy. Rolling processes squeeze the metal between two steel rolls. Drawing processes pull the metal from a die opening or gap. The elevated temperature allows a greater degree of deformation as well as annealing during the process. Hot rolled metals tend to have more scale on their surface.
	Corrosion Resistant		These alloys are designed or suitable for service applications that require corrosion resistance.
	Extruded		These alloy stocks or shapes are produced by using an extrusion process.
	Forged		Metal stock or shapes are available as forged billets, blooms, slabs, or bar stock. The forging process presses, pounds, or squeezes metal stock under very high pressure. Material flow occurs during the forging process, closing any internal porosity and refining the microstructure.
	Heat Resistant		Alloys are designed or suitable for service applications that require heat resistance.
	Hot Rolled		Hot rolled alloy stock or shapes are produced in a process that mechanically deforms or works the material at an elevated temperature (e.g., steels in the "red" hot condition). This temperature is above the recrystallization point of the alloy. The elevated temperature allows a greater degree of deformation or a reduction of thickness. A post annealing process is not required after hot rolling. Hot rolled metals tend to have more surface scale and require pickling and oiling.
	Leaded / Free Machining		Alloys contain additions of lead, selenium, or other free-machining additives that help break up chips during the machining process.
	Precipitation Hardening		Precipitation hardening alloys can be hardened by solution treating and aged to high strength. Precipitation hardening (PH) stainless steels are chromium-nickel metals, some of which contain alloying elements such as copper or aluminum. PH grades 17-7 (Type 631), 17-4 (Type 630), 13-8, 15-5, 15-7, as well as specialty and proprietary alloys. Many aluminum alloys are hardened or strengthened through a precipitation hardening process.
	Wear Resistant		Alloys are designed or suitable for service applications that require wear or erosion resistance.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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