Copper Nickel

C46400 Naval Brass

Strength and Performance in Extreme Environments

C46400 Naval Brass is a copper alloy enriched with zinc and tin, enhancing its strength, corrosion resistance, and machinability. True to its name, Naval Brass is widely used in marine applications where these properties are crucial. Its industrial applications are diverse, including tube-sheets, baffles, valve stems, fasteners, and mold plates, showcasing its versatility. Additionally, C46400 is suitable for decorative use, both indoors and outdoors, appreciated for its aesthetic appeal and durability. A significant feature of C464 Naval Brass is its Lead-Free designation, with lead content limited to no more than 0.2%. This aligns with modern environmental and safety standards while preserving the material’s performance and reliability. As a result, C46400 continues to be a preferred choice across various industries, combining functionality with environmental responsibility, ensuring its relevance in today’s manufacturing landscape. Its robust attributes make it an ideal solution for both practical and decorative applications.

Available Shapes for

C46400 Naval Brass

Plate
Plate
Sheet
Sheet
Bar
Bar
Forging
Forging

Applications for

C46400 Naval Brass

Baffles
Decorative Facia
Fasteners
Heat Exchangers
Impellers
Pump Bodies
Tubesheets
Valve Stems
Wear Plates

Description

C46400 Naval Brass is a copper alloy enriched with zinc and tin, enhancing its strength, corrosion resistance, and machinability. True to its name, Naval Brass is widely used in marine applications where these properties are crucial. Its industrial applications are diverse, including tube-sheets, baffles, valve stems, fasteners, and mold plates, showcasing its versatility. Additionally, C46400 is suitable for decorative use, both indoors and outdoors, appreciated for its aesthetic appeal and durability. A significant feature of C464 Naval Brass is its Lead-Free designation, with lead content limited to no more than 0.2%. This aligns with modern environmental and safety standards while preserving the material’s performance and reliability. As a result, C46400 continues to be a preferred choice across various industries, combining functionality with environmental responsibility, ensuring its relevance in today’s manufacturing landscape. Its robust attributes make it an ideal solution for both practical and decorative applications.

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Test Image
  • Specifications
  • Mechanical Properties
  • Composition
  • Physical Properties
  • Applications
ASTM ASME Military
Bar ASTM B21 ASME SB-21 QQ-B-637
Sheet ASTM B171 ASME SB-171 QQ-B-639
Plate ASTM B171 ASME SB-171 QQ-B-639
BAR – Round, Hex, Rectangular and Square
Commercial
TEMPER SIZE TENSILE, KSI, MIN YIELD@0.5%, KSI, MIN Elong. % Min
M30 All Sizes 52 20 30
H02 up to 1/2″ 60 27 22
over 1/2″ to 1″ 60 27 25
over 1″ to 2″ 58 26 25
over 2″ to 3″ 54 25 25
over 3″ to 4″ 54 22 27
over 4″ 54 22 30
      QQ-B-637
TEMPER SIZE TENSILE, KSI, MIN YIELD@0.5%, KSI, MIN Elong. % Min
Half-Hard up to 1/2″ 60 27 22
over 1/2″ to 1″ 60 27 25
over 1″ to 2″ 58 26 25
over 2″ to 3″ 54 25 25
over 3″ to 4″ 54 22 27
over 4″ 54 22 30
SHEET/PLATE
Commercial
TEMPER SIZE TENSILE, KSI, MIN YIELD@0.5%, KSI, MIN Elong. % Min
M20 / O25 up to 3″ 50 20 35
over 3″ to 5″ 50 18 35
      QQ-B-639
TEMPER SIZE TENSILE, KSI, MIN YIELD@0.5%, KSI, MIN Elong. % Min
Soft up to 3/8″ x up to 30″ wide 52 20 30
Soft up to 3/8″ x over 30″ wide 50 20 35
Soft over 3/8″ x all widths 50 20 35
Half-Hard up to 3/8″ x up to 30″ wide 60 35 20
Half-Hard up to 3/8″ x over 30″ wide 57 28 30
Half-Hard over 3/8″ x all widths 54 25 30
COMMERCIAL
UNS No. Copper + Silver Tin Lead Iron Zinc
C46400 59.0-62.0 0.50-1.0 0.20 max 0.10 max remainder
QQ-B-637
UNS No. Copper + Silver Tin Lead Iron Other elements total Zinc
C46400 59.0-62.0 0.50-1.0 0.20 max 0.10 max 0.10 max remainder
QQ-B-639
UNS No. Copper + Silver Tin Lead Iron Other elements total Zinc
C46400 59.0-62.0 0.50-1.0 .20 max 0.10 max 0.10 max remainder
Density @ 68o F 0.304 lb/in3
Melting Range 1630-1650o F
Hot Formability Excellent
Cold Formability Fair
Machinability rating (C360 = 100) 30
Brazing Excellent
Soldering Excellent
Gas-shielded arc welding Fair
Oxy-acetylene welding Good
Carbon-arc welding Not recommended
Coated metal-arc welding Not recommended
Resistant welding: spot and seam Good
Resistance Welding: butt Good
* Tubesheets
* Baffles
* Valve Stems
* Pump Bodies
* Impellers
* Heat Exchangers
* Fasteners
* Mold Plates
* Wear Plates
* Decorative Fascia
* Antimicrobial Surfaces