ASME SB171 C46400 Naval Brass Tubesheet | Seawater Corrosion Resistant for Heat

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Material	C46400
Payment Terms	T/T
Flange Standard	ANSI B16.5
Flange type	Flange
Delivery Time	1 - 4 MONTH
Size Range	Customizable
Supply Ability	300 TONS / MONTH
Standard	ASME SB171
Pressure	Class 150# to 2500#
Packaging Details	WOODEN CASE, Ply-Wooden Cases with Steel Frames
Model Number	ASME SB171 C46400
Certification	ISO 9001-2015
Brand Name	YUHONG
Place of Origin	CHINA

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Product Specification


Material	C46400	Payment Terms	T/T
Flange Standard	ANSI B16.5	Flange type	Flange
Delivery Time	1 - 4 MONTH	Size Range	Customizable
Supply Ability	300 TONS / MONTH	Standard	ASME SB171
Pressure	Class 150# to 2500#	Packaging Details	WOODEN CASE, Ply-Wooden Cases with Steel Frames
Model Number	ASME SB171 C46400	Certification	ISO 9001-2015
Brand Name	YUHONG	Place of Origin	CHINA
High Light	ASME SB171 C46400 Naval Brass Tubesheet ，Naval Brass Tubesheet seawater corrosion resistant ，Heat exchanger condenser brass tubesheet

ASME SB171 C46400 Naval Brass Tubesheet | Seawater Corrosion Resistant for Heat Exchanger Condenser

ASME SB171 C46400 tubesheets are core pressure-bearing components in shell-and-tube heat exchangers, condensers, and pressure vessels, used to secure and seal the tube bundle and withstand the pressure difference between the shell and tube sides.

This product is manufactured according to ASME SB171 standards and is made of UNS C46400 naval brass, a copper-zinc-tin ternary alloy. C46400 is widely used in marine heat exchangers, power plant condensers, seawater desalination equipment, and other applications with stringent corrosion resistance requirements due to its excellent performance in seawater and industrial corrosive environments.

ASME SB171 C46400 tubesheets are copper alloy tubesheet solutions for marine engineering, coastal power plants, and chemical industries operating in conditions requiring long-term stable operation with seawater/brackish water media at medium to low pressure.

Mechanical Properties
Condition	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HBW)
Annealed	≥ 450	≥ 200	≥ 35	~80
Work Hardened	Up to 900	Up to 490	≥ 15	—
ASME SB171 Standard Minimum	≥ 345	≥ 125 – 140	≥ 35	—

Selection for Matching Components – Galvanic Corrosion Control
Component	Recommended Material	Remarks
Tubes	MaterialC70600 (90/10 Cu-Ni), C71500 (70/30 Cu-Ni), Naval Brass	Tube material should be close in galvanic potential to C46400 tubesheet
Shell / Channel	Carbon steel (with internal coating), Stainless steel, Copper alloy	Sealing compatibility with tubesheet
Gaskets	Compressed fiber, PTFE, Metal-jacketed	Provide sealing
Fasteners	Stainless steel (304/316) or Silicon bronze	Avoid galvanic coupling with Naval Brass
Baffles	C46400, C70600, or Coated carbon steel	Support tube bundle and guide shell-

When to Choose ASME SB171 C46400 Tube Sheets?

Foperating temperatures ≤ 260°C and low to medium pressures—C46400 offers stable performance within this range.
For projects requiring a balance of corrosion resistance, thermal conductivity, and machinability—C46400 offers a good balance of these three factors.or operating media such as seawater, brackish water, or industrial cooling water—C46400 is a proven choice for these environments.
For equipment such as shell-and-tube heat exchangers, condensers, or pressure vessels—ASME compliance is required

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1990 
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50M-75M
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