Nov 20, 2025 Leave a message

ASTM B-111 C68700 Aluminium Brass heat exchangers pipe

C68700 Aluminum Brass Tube PDF

 

Products Description

The ASTM B-111 C68700 Aluminium Brass and Copper Tube is a high-performance alloy tube made from a mix of copper, zinc, and aluminium. It has been proven by experience and tests in seawater or harsh environments that this tube possesses qualities that make it resistant. The aluminium content having corrosion resistance and provide excellent thermal conductivity and mechanical strengths due to copper and zinc.

These tubes are manufactured under an ASTM B111 standard, which means compliance with a very high range of quality and performance parameters. From heat exchangers to condensers and even marine applications, these tubes can withstand some of the toughest conditions with ease.

 

Standard References

Standard System

Code

Scope

US Standard

ASTM B111M

Seamless Condenser & Heat Exchanger Tubes

Chinese

YS/T 649-2018

Extruded Copper/Copper-Alloy Bars

European

DIN 17672-1

Tolerances for Forged Cu Alloys

International

SAE J463

Mechanical Properties of Wrought Cu Alloys

General

ASTM B858

Dezincification Test Method

C68700 seawater tube
ASTM B111 C68700
C68700 copper
C68700 brass pipe

ASTM SB 111 C68700 Mechanical Properties

Copper or Copper Alloy UNS No. Temper Designation Annealing temperature, °C Tensile Strength, min Yield Strength, min HV
  Code Name ksi Mpa ksi Mpa
C68700 O61 Annealed above 650 50 345 18 125 150

 

ASTM SB 111 C68700 Physical Properties

Copper or Copper Alloy UNS No. Melting Point Density
  °C °F lb/in3 g/cm3
 
C68700 932-971 1710-1780 0.301 8.33

 

Applications of C68700 Copper Alloy Tubes

Heat Exchangers:

Used in power plants, chemical processing, and petrochemical industries for efficient heat transfer.

Condensers and Evaporators:

Ideal for marine and industrial use, especially in environments with seawater exposure.

Desalination Plants:

Commonly used in desalination systems due to their resistance to seawater corrosion.

Oil and Gas Industry:

Suitable for offshore platforms and refineries where harsh environments demand reliable materials.

HVAC Systems:

Widely applied in heating, ventilation, and air conditioning systems for efficient thermal exchange.

Shipbuilding:

Used in marine condensers, coolers, and piping systems due to superior resistance to biofouling.

 

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about us

Our Product Portfolio

We supply an extensive inventory of copper products in various forms, grades, and tempers to meet your exact specifications.

1. Copper & Copper Alloy Tubes/Pipes

Type: Copper Seamless Tube, Copper Welded Tube, Capillary Tube, Refrigeration Tube, Heat Exchanger Tube, Condenser Tube, Dehydrated Tube.

Key Alloys: C10200 (OFHC Copper), C11000 (ETP Copper), C12200 (DHP Copper), C44300, C68700, C70600 (Copper Nickel 90/10), C71500 (Copper Nickel 70/30).

 

2. Copper & Copper Alloy Sheets/Plates

Type: Copper Sheet, Copper Plate, Copper Foil, Copper Thin Sheet, Copper Thick Plate, Embossed Sheet, Perforated Sheet.

Key Alloys: C10200, C11000, C17200 (Beryllium Copper), C26000 (Cartridge Brass), C26800, C28000 (Muntz Metal).

 

3. Copper & Copper Alloy Bars/Rods

Type: Copper Round Bar, Copper Square Bar, Copper Hexagonal Bar, Copper Flat Bar, Copper Wire Rod.

Key Alloys: C10100, C11000, C36000 (Free-Cutting Brass), C38500 (Architectural Bronze).

 

4. Copper & Copper Alloy Strips/Wires

Type: Copper Strip, Copper Coil, Copper Flat Wire, Copper Bare Wire, Copper Braided Wire, Copper Tin-Plated Wire.

Key Alloys: C11000, C26000 (Brass Strip), C51900 (Phosphor Bronze), C52100, C70400.

 

Quality & Standards

We guarantee that all our products comply with international and national standards, ensuring performance, reliability, and safety.

International Standards: ASTM, EN, DIN, JIS, ISO.

Common Standards: ASTM B111,ASTM B68, B75, B88, B96, B152, B187, B465.

 

Why Choose Us?

One-Stop Shop: A comprehensive range of copper products simplifies your sourcing.

Quality Assured: Rigorous inspection and material traceability.

Global Logistics: Efficient and reliable shipping to destinations worldwide.

Technical Support: Expert assistance with material selection and specification.

C68700 boiler tubeC68700 pipe supplier

 

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