Name: ASTM B283 C70620 CuNi 90/10 Copper Alloy Steel Flange For Marine And Offshore Engineering
Brand: YUHONG HOLDING GROUP CO., LTD
SKU: ASTM B283 C70620
Availability: InStock

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ASTM B283 C70620 CuNi 90/10 Copper Alloy Steel Flange For Marine And Offshore Engineering

ASTM B283 CuNi 90/10 flange

marine copper alloy steel flange

offshore engineering C70620 flange

Lugar de origen:

Porcelana

Nombre de la marca:

YUHONG

Certificación:

ISO 9001-2015

Número de modelo:

ASTM B283 C70620

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Detalles del producto

Estándar:

ASTM B283

Material:

C070620 Las empresas de seguros de vida

Tipo de brida:

Brida

Presión:

Clase 150# a 2500#

Rango de tamaño:

Personalizable

Estándar de brida:

ANSI B16 y otras fuentes.5

Resaltar:

ASTM B283 CuNi 90/10 flange

marine copper alloy steel flange

offshore engineering C70620 flange

Términos de pago y envío

Cantidad de orden mínima

1 pieza

Precio

NON

Detalles de empaquetado

Estuche de madera, estuches de madera con marcos de acero

Tiempo de entrega

1 - 4 meses

Condiciones de pago

T/T

Capacidad de la fuente

300 toneladas/mes

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Éntrenos en contacto con

+8613625745622

nirit@steelseamlesspipe.com

0086-574-88013900

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Descripción de producto

ASTM B283 C70620 CuNi 90/10 Copper Alloy Steel Flange For Marine And Offshore Engineering

ASTM B283, corresponding to ASME SB283, is a standard specification for copper and copper alloy forgings, applicable to copper and copper alloy forgings produced by hot pressing, including flanges, fittings, and other pressure-bearing components. UNS C70620 is a 90/10 copper-nickel alloy (90% copper - 10% nickel), optimized for welding applications and marine conditions based on the standard 90-10 copper-nickel alloy UNS C70600, with impurity control improvements.

The standard explicitly states: "Copper Alloys UNS Nos. C70620 and C71520 are for product intended for welding applications"—this is a core distinction between C70620 and the general-purpose C70600 material.

ASTM B283 C70620 flanges are high-performance copper-nickel alloy forged flange solutions for marine engineering, seawater pipeline systems, desalination equipment, and chemical corrosion-resistant pipelines. They offer excellent corrosion resistance, good weldability, and stable mechanical properties in seawater environments.

Chemical Composition (UNS C70620)
Element	Content Range (%)	Standard Reference
Cu (Copper)	≥ 86.5	ASTM B283 / UNS C70620
Ni (Nickel)	9.0 – 11.0	ASTM B283 / UNS C70620
Fe (Iron)	1.0 – 1.8	ASTM B283 / UNS C70620
Mn (Manganese)	≤ 1.0	ASTM B283 / UNS C70620
Zn (Zinc)	≤ 0.50	ASTM B283 (welding grade)
Pb (Lead)	≤ 0.02	ASTM B283 (welding grade)
C (Carbon)	≤ 0.05	ASTM B283 (welding grade)
P (Phosphorus)	≤ 0.02	ASTM B283 (welding grade)
S (Sulfur)	≤ 0.02	ASTM B283 (welding grade)

Mechanical Properties (ASME SB283 / ASTM B283 Standard Minimum)
Condition	Size Range	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Standard Reference
Hot forged air cooled (M10)	All sizes	≥ 276 (40 ksi)	≥ 103 (15 ksi)	≥ 30	ASTM B283
Hot forged air cooled (M10)	Specific cross-section	≥ 310 (45 ksi)	≥ 124 (18 ksi)	≥ 30	ASTM B283

Physical Properties (Typical Values, 20°C Annealed)
Parameter	Value	Unit
Density	8.89	g/cm³
Elastic Modulus	130	GPa
Thermal Conductivity (20°C)	50.2	W/(m·K)
Specific Heat Capacity	0.38	J/(g·K)
Coefficient of Linear Expansion (20-300°C)	19	×10⁻⁶/K
Electrical Conductivity	5	MS/m (approx. 9% IACS)
Melting Range	1100 – 1145	°C

Core Differences Between C70620 and C70600
Comparison Item	C70620 (Welding Grade)	C70600 (Standard Grade)
Weldability Design	Specifically designed for welding applications; standard explicitly states "intended for welding applications"	Can be used for welding, but impurity limits are less strict than C70620
Impurity Control (Zn, Pb, C, P, S)	Zn ≤0.50%, Pb ≤0.02%, C ≤0.05%, P ≤0.02%, S ≤0.02%	Zn ≤1.0%, Pb ≤0.05%, relatively looser impurity control
Iron (Fe) Content	1.0% – 1.8%	1.0% – 1.8% (essentially the same)
Seawater Corrosion Resistance	Good (welding grade)	Good (general grade)
Cost	Between C70600 and high-purity nickel alloys	Lower

Applications:

Marine Engineering and Shipbuilding: Flange connections for seawater cooling systems, fire protection systems, ballast water pipelines, and seawater delivery pipelines.
Seawater Desalination Plants: Seawater intake, pretreatment, and high-pressure pump inlet/outlet flanges.
Coastal Power Plants: Condenser and cooler connection flanges for seawater circulating cooling system pipelines.
Offshore Oil and Gas Platforms: Seawater injection systems, fire water pipelines, and public seawater systems.
Chemical and Process Industries: Corrosion-resistant pipeline flanges for chloride-containing media.

ASTM B283 C70620 CuNi 90/10 Copper Alloy Steel Flange For Marine And Offshore Engineering 0

Clasificaciones y revisión

Calificación general

4.3

Basado en 50 reseñas para este proveedor

Imagen de calificación

La siguiente es la distribución de todas las calificaciones

5 estrellas

33%

4 estrellas

67%

3 estrellas

2 estrellas

1 estrellas

Todas las reseñas

Robert Miller

United States Jan 7.2026

Es muy útil. (2)

Fully meets the rigorous requirements of TEMA R standards. We used these SA266 Grade 2N flanges for a refinery project in Texas. The machining precision is impressive, and the sealing face finish is absolutely perfect.

A*d

United Arab Emirates Nov 26.2025

Es muy útil. (3)

The packaging was very solid; even after long-distance sea freight, there were no dents on the sealing faces.

C*a

Brazil Dec 14.2024

Es muy útil. (3)

We were looking for a reliable supplier for offshore platforms, and the quality of these tube side flanges exceeded expectations. The forging flow lines of the SA266 Gr.2N are very intact.

Etiquetas：

ASTM A694 F42 Cuello de soldadura de la brida de acero al carbono RTJ tubería de alta presión 42ksi Resistencia de rendimiento para API 5L X42

Ahora Charle

ASTM B283 C70620 CuNi 90/10 Copper Alloy Steel Flange For Marine And Offshore Engineering

ASTM B283 CuNi 90/10 flange

marine copper alloy steel flange

offshore engineering C70620 flange

ASTM B283 CuNi 90/10 flange

marine copper alloy steel flange

offshore engineering C70620 flange

ASTM A694 F42 Cuello de soldadura de la brida de acero al carbono RTJ tubería de alta presión 42ksi Resistencia de rendimiento para API 5L X42

ASME SA266 GR.2N Flange lateral del tubo que conecta el caparazón del intercambiador de calor y la caja del tubo

Brida ASME SA105 y Cuerpo ASME SA516 GR485

Brida lateral de tubo de acero aleado ASME SA336 F11 Cl2 para entornos de alta temperatura y alta presión

Calificación general

Imagen de calificación

Todas las reseñas

Flanca del recipiente a presión

Flange del intercambiador de calor

Reborde forjado de acero inoxidable

ASTM A694 F42 Cuello de soldadura de la brida de acero al carbono RTJ tubería de alta presión 42ksi Resistencia de rendimiento para API 5L X42

ASME SA266 GR.2N Flange lateral del tubo que conecta el caparazón del intercambiador de calor y la caja del tubo

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Brida lateral de tubo de acero aleado ASME SA336 F11 Cl2 para entornos de alta temperatura y alta presión

Brida de cuerpo ASME SA105 ASME B16.5 para recipientes a presión, intercambiadores de calor de carcasa y tubos