C22000 Commercial Bronze

Standards: MIL-B-18907, MIL-B-20292, J463, J461, B36/B36M, B131, MIL-C-3383, B927/B927M, SB135, B135/B135M, B694, B130, B587, B372, MIL-W-85, MIL-W-6712.

C22000 Commercial Bronze is known for its excellent corrosion resistance and cold workability, and its good hot workability. C22000 Commercial Bronze is used for blanking, coining, drawing, piercing and punching, shearing, spinning, squeezing and swaging, stamping heading and upsetting, roll threading and knurling, hot forging and pressing.

C22000 Commercial Bronze Alloy Specifications

Chemical Composition

	Elements
	Cu⁽¹⁾	Pb	Zn	Fe
(1) Cu + Sum of Named Elements 99.8% min.
Min (%)	89.0
Max (%)	91.0	0.05	Rem	0.05

Mechanical Properties

Form	Temper	Temper Code	Tensile Strength (ksi)	YS-0.5% Ext (ksi)	Elongation (%)	Rockwell B scale	Rockwell F scale	Rockwell 30T scale	Shear Strength (ksi)	Torsion Modulus (ksi)	Fatigue Strength** (ksi)	Ultimate Tensile Strength in Shear (ksi)	Section Size (in)	Cold Work (%)
* Measured at room temperature, 68°F (20°C).** Fatigue Strength: 100 x 10⁶ cycles, unless indicated as [N] x 10⁶.
Flat Products	1/2 Hard	H02	52 Typ		11 Typ	58 Typ		56 Typ	35 Typ				0.04
	1/2 Hard	H02	52 Typ	45 Typ	15 Typ	58 Typ			35 Typ				0.25
	1/4 Hard	H01	45 Typ	35 Typ	25 Typ	42 Typ		44 Typ	33 Typ				0.04
	As Hot Rolled	M20	37 Typ	10 Typ	45 Typ		53 Typ	28 Typ					0.25
	As Hot Rolled	M20	39 Typ	14 Typ	44 Typ		60 Typ		31 Typ				0.04
	Extra Hard	H06	67 Typ	58 Typ	4 Typ	75 Typ		67 Typ	40 Typ				0.04
	Hard	H04	61 Typ	54 Typ	5 Typ	70 Typ		63 Typ	38 Typ		23 Typ		0.04
	Nominal Grain Size 0.015 mm	OS015	41 Typ	15 Typ	42 Typ		65 Typ	26 Typ				32 Typ	0.04
	Nominal Grain Size 0.025 mm	OS025	39 Typ	14 Typ	44 Typ		60 Typ	16 Typ	31 Typ				0.04
	Nominal Grain Size 0.035 mm	OS035	38 Typ	12 Typ	50 Typ		57 Typ					30 Typ	0.25
	Nominal Grain Size 0.035 mm	OS035	38 Typ	12 Typ	45 Typ		57 Typ	12 Typ	30 Typ				0.04
	Nominal Grain Size 0.050 mm	OS050	37 Typ	10 Typ	45 Typ		53 Typ	6 Typ	28 Typ				0.04
	Spring	H08	72 Typ	62 Typ	3 Typ	78 Typ		69 Typ	42 Typ		21 Typ		0.04
Rod	1/8 Hard	H00	45 Typ		25 Typ	42 Typ			33 Typ				0.5
Rod	Nominal Grain Size 0.035 mm	OS035	40 Typ		50 Typ		55 Typ		32 Typ				0.5
Tube	Hard Drawn	H80	60 Typ		6 Typ	69 Typ		62 Typ						35
Tube	Nominal Grain Size 0.035 mm	OS035	38 Typ	12 Typ	50 Typ		57 Typ	12 Typ
Wire	1/2 Hard	H02	60 Typ		6 Typ				37 Typ				0.08
	1/4 Hard	H01	50 Typ		13 Typ				34 Typ				0.08
	1/8 Hard	H00	44 Typ		27 Typ				33 Typ				0.08
	Extra Hard	H06	83 Typ		3 Typ								0.08
	Hard	H04	74 Typ		4 Typ				42 Typ	6.4 Typ	23 Typ		0.08
	Nominal Grain Size 0.015 mm	OS015	42 Typ		48 Typ				32 Typ				0.08
	Nominal Grain Size 0.035 mm	OS035	40 Typ		50 Typ				30 Typ				0.08
	Spring	H08	90 Typ		3 Typ								0.08

Physical Properties


Melting Point - Liquidus°F	1910
Melting Point - Solidus°F	1870
Densitylb/cu in. at 68°F	0.318
Specific Gravity	8.8
Electrical Conductivity% IACS at 68°F	44
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F	109
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F)	10.2
Specific Heat CapacityBtu/ lb /°F at 68°F	0.09
Modulus of Elasticity in Tensionksi	17000
Modulus of Rigidityksi	6400

Fabrication Properties

Technique	Suitability
Soldering	Excellent
Brazing	Excellent
Oxyacetylene Welding	Good
Gas Shielded Arc Welding	Good
Coated Metal Arc Welding	Not Recommended
Spot Weld	Not Recommended
Seam Weld	Not Recommended
Butt Weld	Good
Capacity for Being Cold Worked	Excellent
Capacity for Being Hot Formed	Good
Machinability Rating	20

Common Fabrication Processes

Blanking
Coining
Drawing
Etching
Forming and Bending
Heading and Upsetting
Hot Forging and Pressing
Piercing and Punching
Roll Threading and Knurling
Shearing
Spinning
Squeezing and Swaging
Stamping

Thermal Properties

Treatment	Minimum^*	Maximum^*
^* Temperature is measured in Fahrenheit.
Annealing	800	1450
Hot Working Temperature	1400	1600

Typical uses

Product Category	Product	Reason Category	Reason
Architecture	Etching Bronze	Appearance	Appearance
	Etching Bronze	Corrosion Resistance	Corrosion Resistance
	Etching Bronze	Mechanical Properties	Moderate Strength
	Grill Work	Appearance	Appearance
	Grill Work	Corrosion Resistance	Corrosion Resistance
	Grill Work	Forming Characteristics	Formability
	Grill Work	Mechanical Properties	Moderate Strength
	Ornamental Trim	Appearance	Appearance
	Ornamental Trim	Appearance	Color
	Ornamental Trim	Corrosion Resistance	Corrosion Resistance
	Ornamental Trim	Forming Characteristics	Formability
	Ornamental Trim	Mechanical Properties	Moderate Strength
	Screen Cloth	Corrosion Resistance	Corrosion Resistance
	Screen Cloth	Forming Characteristics	Formability
	Screen Cloth	Mechanical Properties	Moderate Strength
	Weather Stripping	Appearance	Appearance
	Weather Stripping	Corrosion Resistance	Corrosion Resistance
	Weather Stripping	Forming Characteristics	Formability
	Weather Stripping	Mechanical Properties	Moderate Strength
Builders Hardware	Hardware	Appearance	Appearance
	Hardware	Corrosion Resistance	Corrosion Resistance
	Hardware	Forming Characteristics	Formability
	Hardware	Mechanical Properties	Moderate Strength
	Kick Plates	Appearance	Appearance
	Kick Plates	Corrosion Resistance	Corrosion Resistance
Consumer	Ball Point Pens	Appearance	Appearance
	Ball Point Pens	Corrosion Resistance	Corrosion Resistance
	Ball Point Pens	Drawing Characteristics	Drawability
	Ball Point Pens	Forming Characteristics	Formability
	Ball Point Pens	Plating Characteristics	Plateable
	Caskets	Appearance	Appearance
	Caskets	Corrosion Resistance	Corrosion Resistance
	Caskets	Corrosion Resistance	Corrosion Resistance to Fresh Water
	Caskets	Corrosion Resistance	Corrosion Resistance to Salt Water
	Caskets	Forming Characteristics	Formability
	Caskets	Mechanical Properties	Moderate Strength
	Chain Links	Appearance	Appearance
	Chain Links	Mechanical Properties	Moderate Strength
	Compacts	Appearance	Appearance
	Compacts	Corrosion Resistance	Corrosion Resistance
	Compacts	Forming Characteristics	Formability
	Compacts	Mechanical Properties	Moderate Strength
	Compacts	Plating Characteristics	Plateable
	Costume Jewelry	Appearance	Appearance
	Costume Jewelry	Corrosion Resistance	Corrosion Resistance
	Costume Jewelry	Forming Characteristics	Formability
	Costume Jewelry	Mechanical Properties	Moderate Strength
	Costume Jewelry	Plating Characteristics	Plateable
	Housing for Lipstick Compacts	Appearance	Appearance
	Housing for Lipstick Compacts	Corrosion Resistance	Corrosion Resistance
	Housing for Lipstick Compacts	Drawing Characteristics	Drawability
	Housing for Lipstick Compacts	Forming Characteristics	Formability
	Housing for Lipstick Compacts	Mechanical Properties	Moderate Strength
	Housing for Lipstick Compacts	Plating Characteristics	Plateable
	Lipstick Cases	Appearance	Appearance
	Lipstick Cases	Corrosion Resistance	Corrosion Resistance
	Lipstick Cases	Drawing Characteristics	Drawability
	Lipstick Cases	Forming Characteristics	Formability
	Lipstick Cases	Mechanical Properties	Moderate Strength
	Lipstick Cases	Plating Characteristics	Plateable
Electrical	Cable Wrap	Conductivity (Electrical)	Electrical Conductivity
	Cable Wrap	Conductivity (Thermal)	Thermal Conductivity
	Cable Wrap	Corrosion Resistance	Corrosion Resistance
	Cable Wrap	Forming Characteristics	Formability
	Cable Wrap	Mechanical Properties	Moderate Strength
	Rotor Bar - AC Motors	Brazing Characteristics	Brazability
	Rotor Bar - AC Motors	Conductivity (Electrical)	Electrical Resistivity - 45 % IACS
	Wave Guides	Conductivity (Electrical)	Electrical Conductivity
	Wave Guides	Conductivity (Thermal)	Thermal Conductivity
	Wave Guides	Corrosion Resistance	Corrosion Resistance
	Wave Guides	Forming Characteristics	Formability
	Wave Guides	Mechanical Properties	Moderate Strength
Fasteners	Bolts	Appearance	Appearance
	Bolts	Corrosion Resistance	Corrosion Resistance
	Bolts	Forming Characteristics	Formability
	Bolts	Mechanical Properties	Moderate Strength
	Line Clamps	Conductivity (Electrical)	Electrical Conductivity
	Line Clamps	Conductivity (Thermal)	Thermal Conductivity
	Line Clamps	Corrosion Resistance	Corrosion Resistance
	Rivets	Appearance	Appearance
	Rivets	Corrosion Resistance	Corrosion Resistance
	Rivets	Forming Characteristics	Formability
	Rivets	Mechanical Properties	Moderate Strength
	Screw Shells	Corrosion Resistance	Corrosion Resistance
	Screw Shells	Forming Characteristics	Formability
	Screw Shells	Mechanical Properties	Moderate Strength
	Screws	Corrosion Resistance	Corrosion Resistance
	Screws	Forming Characteristics	Formability
	Screws	Mechanical Properties	Moderate Strength
Industrial	Base for Vitreous Enamel	Corrosion Resistance	Corrosion Resistance
	Base for Vitreous Enamel	Forming Characteristics	Formability
	Base for Vitreous Enamel	Mechanical Properties	Moderate Strength
	Base for Vitreous Enamel	Plating Characteristics	Plateable
	Escutcheons	Appearance	Appearance
	Escutcheons	Corrosion Resistance	Corrosion Resistance
	Escutcheons	Forming Characteristics	Formability
	Escutcheons	Mechanical Properties	Moderate Strength
	Flexible Tube	Corrosion Resistance	Corrosion Resistance
	Flexible Tube	Forming Characteristics	Formability
	Flexible Tube	Mechanical Properties	Moderate Strength
	Screen Wire	Appearance	Appearance
	Screen Wire	Corrosion Resistance	Corrosion Resistance
	Screen Wire	Mechanical Properties	Moderate Strength
	Studs	Corrosion Resistance	Corrosion Resistance
	Studs	Forming Characteristics	Formability
	Studs	Mechanical Properties	Moderate Strength
Marine	Marine Hardware	Corrosion Resistance	Corrosion Resistance
	Marine Hardware	Forming Characteristics	Formability
	Marine Hardware	Mechanical Properties	Moderate Strength
	Marine Hardware	Plating Characteristics	Plateable
Ordnance	Artillery Projectile Rotating Bands, Press Fit	Corrosion Resistance	Corrosion Resistance
	Artillery Projectile Rotating Bands, Press Fit	Friction & Wear Properties	Galling Resistance
	Primer Caps	Corrosion Resistance	Corrosion Resistance
	Primer Caps	Forming Characteristics	Formability
	Primer Caps	Mechanical Properties	Moderate Strength
	Rotating Bands	Corrosion Resistance	Corrosion Resistance
	Rotating Bands	Forming Characteristics	Formability
	Rotating Bands	Mechanical Properties	Moderate Strength
	Small Arms Cartridges	Corrosion Resistance	Corrosion Resistance
	Small Arms Cartridges	Forming Characteristics	Formability
	Small Arms Cartridges	Mechanical Properties	Moderate Strength
Plumbing	Plumbers' Brass Goods	Corrosion Resistance	Corrosion Resistance
	Plumbers' Brass Goods	Forming Characteristics	Formability
	Plumbers' Brass Goods	Plating Characteristics	Plateable

Applicable Specifications

Form	Application	System	Standard	Description
Bands	Projectile Rotating	MILITARY	MIL-B-18907	BANDS, PROJECTILE ROTATING
Bands	Projectile Rotating	MILITARY	MIL-B-20292	BLANKS, ROTATING BAND, FOR PROJECTILES
Bar		SAE	J463	WROUGHT COPPER AND COPPER ALLOYS
		SAE	J461	WROUGHT AND CAST COPPER ALLOYS
		ASTM	B36/B36M	BRASS PLATE, SHEET, STRIP AND ROLLED BAR
Cups		ASTM	B131	COPPER ALLOY BULLET JACKET CUPS
Cups		MILITARY	MIL-C-3383	CUPS, BULLET-JACKET, COPPER ALLOY, FOR SMALL ARMS AMMUNITION
Plate		ASTM	B36/B36M	BRASS PLATE, SHEET, STRIP AND ROLLED BAR
Rod, Bar & Shapes		ASTM	B927/B927M	BRASS ROD, BAR, AND SHAPES
Seamless Tube		ASME	SB135	SEAMLESS BRASS TUBE
		ASTM	B135/B135M	Seamless Brass Tube
		ASTM	B135	Tube, Seamless
Sheet		ASTM	B694	COPPER, COPPER ALLOY AND COPPER-CLAD STAINLESS STEEL SHEET AND STRIP FOR ELECTRICAL CABLE SHIELDING
		SAE	J463	WROUGHT COPPER AND COPPER ALLOYS
		SAE	J461	WROUGHT AND CAST COPPER ALLOYS
		ASTM	B36/B36M	BRASS PLATE, SHEET, STRIP AND ROLLED BAR
Strip		ASTM	B36/B36M	BRASS PLATE, SHEET, STRIP AND ROLLED BAR
		SAE	J461	WROUGHT AND CAST COPPER ALLOYS
		ASTM	B130	COMMERCIAL BRONZE STRIP FOR BULLET JACKETS
		SAE	J463	WROUGHT COPPER AND COPPER ALLOYS
		ASTM	B694	COPPER, COPPER ALLOY AND COPPER-CLAD STAINLESS STEEL SHEET AND STRIP FOR ELECTRICAL CABLE SHIELDING
Tube		SAE	J461	WROUGHT AND CAST COPPER ALLOYS
		ASTM	B587	WELDED BRASS TUBE
	Rectangular Waveguide	ASTM	B372	SEAMLESS COPPER AND COPPER-ALLOY RECTANGULAR WAVEGUIDE TUBE
	Rectangular Waveguide	MILITARY	MIL-W-85	WAVEGUIDES, RIGID, RECTANGULAR
		SAE	J463	WROUGHT COPPER AND COPPER ALLOYS
Wire		ASTM	B134/B134M	BRASS WIRE
Wire		MILITARY	MIL-W-6712	WIRE, METALLIZING

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