Dhanlaxmi Steel Distributors

• Alloy UNS C83600 is a copper‑base alloy often called leaded red brass or 85‑5‑5‑5 brass (≈ 85% Cu, 5% Sn, 5% Pb, 5% Zn) in some descriptions.

• It is available in bar/rod form (round bar) among other shapes (plates, rectangles, tubes). For example, continuous cast solid bar stock is offered for C83600.

• Typical chemical composition (cast condition) includes Cu 84.0‑86.0%, Sn 4.0‑6.0%, Pb 4.0‑6.0%, Zn 4.0‑6.0%, Ni+Co up to 1.0%, Fe up to 0.30% etc.

📊 Key Specifications

Here are some of the important material properties and specs for C83600:

Chemical Composition (nominal / typical)

• Copper (Cu): ~84‑86% (or minimum)

• Tin (Sn): ~4.0‑6.0%

• Lead (Pb): ~4.0‑6.0%

• Zinc (Zn): ~4.0‑6.0%

• Nickel + Cobalt: ≤ 1.0% (for purposes of copper minimum)

• Iron (Fe): ≤ 0.30% max.

Mechanical / Physical Properties (continuous cast typical)

• Tensile strength: ~36 ksi (~248 MPa) for continuous cast form.

• Yield strength (0.5% extension under load): ~19 ksi (~131 MPa) typical continuous cast.

• Brinell hardness (approx): ~60 HB (500 kg load) typical.

• Density: ~8.83 g/cm³ (≈0.318 lb/in³)

Standards & Forms

• Applicable specifications: ASTM B505 (continuous cast bars), ASTM B271 (centrifugal castings), ASTM B584 (sand castings) for C83600.

• Bars/round shapes: For continuous cast bar stock, sizes from ½″ to 13″ O.D. are listed in one source for C83600.

🛠 Typical Applications

Because of its combination of good machinability, moderate strength, corrosion resistance (especially in water/sea‑water service) and good thermal/electrical conductivity, typical uses include:

• Pump housings, impellers, valve bodies, fittings.

• Plumbing fixtures, builder hardware, marine hardware.

• General engineering components where moderate strength + corrosion resistance with good machinability is desirable.

C11000 Copper Bars are made from Electrolytic Tough Pitch Copper, the most commonly used copper grade for electrical and thermal applications.
With a minimum copper content of 99.9%, C11000 offers excellent electrical conductivity (up to 100% IACS), superior heat transfer, and good mechanical strength.

These bars are available in various shapes — flat, square, and rectangular — and are widely used in busbars, switchgear, transformers, and electrical distribution systems.

Chemical Composition (%): Key Features:

• ⚡ High Electrical Conductivity — 100% IACS (58 MS/m).

• 🔥 Excellent Thermal Conductivity — ideal for heat dissipation systems.

• 💪 Good Strength and Ductility — easily fabricated and formed.

• 🧰 Excellent Machinability — suitable for precision components.

• 🌦️ Corrosion and Oxidation Resistant — long service life in harsh environments.

• 🧪 Compatible with Tin/Lead Plating, Silver Plating, or Nickel Plating.

• ❌ Note: Not recommended for hydrogen atmospheres (oxygen embrittlement possible).

Mechanical Properties (Typical): Available Forms & Sizes:

• Shapes: Flat Bar, Square Bar, Rectangular Bar, Round Bar

• Size Range:

  • Flat Bars: 3 mm × 10 mm up to 50 mm × 200 mm

  • Square Bars: 6 mm × 6 mm to 100 mm × 100 mm

  • Round Bars: 3 mm to 200 mm diameter

• Length: Standard 1000 mm / 2000 mm / 4000 mm or custom cut-to-length

• Temper: Soft (Annealed), Half-Hard, Hard

• Finish: Bright Drawn / Polished / Mill Finish

Applications:

• Busbars and electrical switchboards

• Transformers and control panels

• Earthing and grounding systems

• Connectors, terminals, and lugs

• Power distribution equipment

• Heat exchangers and radiators

• Architectural and industrial fittings

Equivalent International Grades: Packaging & Supply:

• Supplied in bundles or wooden boxes

• Each bar marked with grade, size, and heat number

• Mill Test Certificate (EN 10204 3.1) available

• Custom sizes and lengths on request

ETP Copper Round Bars – Description Product Name:

ETP (Electrolytic Tough Pitch) Copper Round Bars

Material Overview:

ETP Copper Round Bars are manufactured from high-purity Electrolytic Tough Pitch Copper (C11000 / CW004A) containing a minimum of 99.9% copper. They are widely recognized for their excellent electrical and thermal conductivity, high ductility, and good mechanical strength.

Because of their superior conductivity and corrosion resistance, ETP Copper Round Bars are extensively used in electrical, electronic, and thermal applications such as conductors, busbars, terminals, and grounding systems.

Chemical Composition (%): Key Features:

• ⚡ High Electrical Conductivity — up to 100% IACS (58 MS/m).

• 🔥 Excellent Thermal Conductivity — ideal for heat transfer components.

• 💪 Good Mechanical Strength and Ductility.

• 🧰 Easy to Machine, Form, and Fabricate.

• 🌦️ Excellent Corrosion and Oxidation Resistance.

• 🧪 Uniform Structure and Dimensional Accuracy.

• ❌ Not suitable for hydrogen or steam environments (due to oxygen content).

Mechanical Properties (Typical): Available Sizes & Forms:

• Diameter Range: 3 mm to 200 mm

• Length: 1000 mm / 2000 mm / 4000 mm or custom cut-to-length

• Finish: Bright Drawn / Polished / Mill Finish

• Temper: Soft (Annealed), Half-Hard, or Hard

Product Name:

C11000 Electrolytic Tough Pitch (ETP) Copper Round Rod

Material Overview:

C11000 ETP Copper Round Rod is a high-purity copper product with 99.9% minimum copper content and excellent electrical and thermal conductivity. It is the most widely used grade of copper for electrical and mechanical applications due to its superior conductivity, formability, and corrosion resistance.

The “Round Rod” form provides easy machinability and uniform conductivity across its cross-section, ideal for busbars, conductors, terminals, and electrical connectors.

Chemical Composition (%): Key Features:

• ⚡ Excellent Electrical Conductivity – up to 100% IACS (58 MS/m).

• 🔥 High Thermal Conductivity – superior heat dissipation.

• 💪 Good Mechanical Strength – suitable for electrical and mechanical service.

• 🧰 Excellent Formability & Machinability – can be easily drawn, extruded, or machined.

• 🌦️ Outstanding Corrosion Resistance – resists tarnish and oxidation.

• ❌ Note: Not recommended for hydrogen-rich environments due to risk of embrittlement from oxygen content.

Material Overview:

ETP Copper Square Bar is manufactured from high-purity electrolytic tough pitch copper with a minimum copper content of 99.9%. It offers excellent electrical and thermal conductivity, making it ideal for electrical and electronic applications. The square cross-section design provides uniform strength and ease of machining, fabrication, and installation in electrical systems and mechanical assemblies.

Chemical Composition (%): Key Features:

• ⚡ High Electrical Conductivity – up to 100% IACS (International Annealed Copper Standard).

• 🔥 Excellent Thermal Conductivity – ideal for heat transfer applications.

• 🧰 Good Formability and Machinability – easy to cut, drill, bend, and polish.

• 💪 Good Mechanical Strength – suitable for both electrical and structural components.

• ⚙️ Excellent Corrosion Resistance – performs well in most industrial atmospheres.

• ⚡ Compatible with Electrical Terminals, Lugs, and Busbar Systems.

• ❌ Note: Not recommended for hydrogen or steam service due to oxygen embrittlement risk.

CuNi 70/30 Round Bar is an alloy composed of 70% Copper and 30% Nickel, with small additions of iron and manganese to enhance its strength and corrosion resistance. This alloy is especially known for its excellent resistance to seawater corrosion, biofouling, and stress corrosion cracking, making it ideal for marine and offshore applications.

🔹 CuNi 70/30 – Overview

• Common Names: Copper Nickel 70/30, UNS C71500

• Composition: 70% Copper, 30% Nickel

• Standard Designations:

  • ASTM B151 (for round bars)

  • UNS C71500

  • DIN 2.0882

• Form Available: Round bars, pipes, flanges, fittings

🔹 Chemical Composition (Typical)

C83600 is a high-quality leaded red brass alloy, also known as 85-5-5-5 brass, composed of approximately 85% copper, 5% tin, 5% lead, and 5% zinc. It offers an excellent balance of strength, machinability, corrosion resistance, and wear resistance, making it one of the most commonly used alloys for industrial and marine applications.

🔹 Chemical Composition (%): 🔹 Mechanical Properties: 🔹 Key Features:

• Excellent corrosion resistance, especially in saltwater environments

• Good machinability and castability

• High wear and fatigue resistance

• Suitable for bearing and bushing applications

• Easily soldered and brazed

CuNi 66/30/2/2 Copper Nickel Round Bar

Overview:
CuNi 66/30/2/2 is a copper-nickel alloy containing approximately 66% copper, 30% nickel, with small amounts of iron and manganese (2% each). It is well-known for its excellent corrosion resistance, particularly in seawater and marine environments. It also exhibits good strength, ductility, and thermal conductivity.

Chemical Composition (Typical %):

• Copper (Cu): 64–66%

• Nickel (Ni): 29–30%

• Iron (Fe): 1.5–2.0%

• Manganese (Mn): 1.5–2.0%

• Other Elements: Trace amounts

Mechanical Properties:

• Tensile Strength: 450–550 MPa

• Yield Strength: 180–250 MPa

• Elongation: 35–50%

• Hardness (HB): 70–120 HB

• Corrosion Resistance: Excellent in seawater, brine, and various chemical solutions

Features & Advantages:

• Exceptional resistance to seawater corrosion and biofouling.

• High strength combined with good ductility and toughness.

• Excellent thermal and electrical conductivity.

• Easily fabricated, welded, and machined.

Applications:

• Marine applications: shafts, propellers, seawater piping, and heat exchangers.

• Desalination plants and chemical processing equipment.

• Condenser tubes, valves, and fittings in seawater systems.

• Components requiring long-term durability in corrosive environments.

Standards & Specifications:

• ASTM B111 / B122 / B171 (Copper-Nickel Alloys)

• UNS C70600 equivalent (for seawater-resistant Cu-Ni alloys)

1. Grade & Standard:
CuNi 90/10 is a copper-nickel alloy composed of approximately 90% copper and 10% nickel.
Standards: ASTM B122, B466 / ISO 6609
UNS Designation: C70600
Excellent resistance to corrosion in seawater and industrial atmospheres.
2. Chemical Composition (Approx.):
Element Composition (%)Copper (Cu) Balance (~90%)Nickel (Ni) 9 – 11%Iron (Fe) ≤ 0.5Manganese (Mn) ≤ 0.5Zinc (Zn) ≤ 0.5Lead (Pb) ≤ 0.05
3. Mechanical Properties:
Tensile Strength: 310 – 480 MPa
Yield Strength: 100 – 250 MPa
Hardness: 70 – 120 HB
Elongation: 30 – 50%
Excellent corrosion resistance and ductility
4. Features:
Outstanding resistance to seawater, brine, and chemical corrosion.
Good thermal and electrical conductivity.
Can be cold-worked or hot-worked; good fabrication and welding properties.
High resistance to biofouling in marine environments.
5. Applications:
Marine engineering: seawater piping, heat exchangers, condensers, and pump components.
Chemical industry: tanks, valves, and fittings for corrosive environments.
Offshore and shipbuilding: shafts, fasteners, and structural components.
Electrical and thermal applications where corrosion resistance is essential.
6. Supply Conditions:
Supplied in hot-rolled, cold-drawn, or forged condition.
Available in round bars, rods, and tubes.
Annealed condition recommended for ease of machining.
7. Sizes & Forms:
Diameter Range: 10 mm – 200 mm (depending on supplier)
Length: 2000 mm – 6000 mm standard

1. Grade & Standard:

• Copper Nickel 80/20 (CuNi 80/20) = 80% Copper + 20% Nickel alloy.

• Standards / Equivalent Grades:

  • UNS: C71000

  • ASTM: B151

  • BS: CN107

  • DIN: 2.0882

2. Chemical Composition (Approx.):

• Copper (Cu): Balance (≈ 79 – 83%)

• Nickel (Ni): 19 – 21%

• Iron (Fe): ≤ 2.0%

• Manganese (Mn): ≤ 1.0%

• Others (impurities): ≤ 0.5%

3. Mechanical Properties:

• Tensile Strength: 380 – 550 N/mm²

• Yield Strength: ~ 150 – 250 N/mm²

• Hardness: 80 – 120 HB

• Elongation: 25 – 35%

• Good ductility and toughness even at low temperatures.

4. Features:

• Excellent resistance to seawater corrosion and marine biofouling.

• High resistance to stress corrosion cracking and erosion-corrosion.

• Good thermal conductivity and electrical resistivity.

• High strength with good ductility.

• Non-magnetic in nature.

5. Applications:

• Marine Industry: Shipbuilding, seawater piping systems, condenser tubes, heat exchangers.

• Offshore / Oil & Gas: Desalination plants, seawater cooling, offshore platforms.

• Power Plants: Condenser and heat exchanger tubes.

• General Engineering: Hydraulic lines, valves, pumps, fasteners in corrosive environments.

6. Supply Conditions:

• Supplied in Hot Rolled, Cold Drawn, Annealed, or Solution Annealed condition.

• Forms: Round Bars, Rods, Hex Bars, Flat Bars.

7. Sizes & Forms:

• Diameter Range: 10mm – 300mm (varies by supplier).

• Supplied in Straight Lengths or Cut-to-Length pieces.

Description:
C83600 is a high-quality leaded red brass alloy, also known as 85-5-5-5 brass, composed of approximately 85% copper, 5% tin, 5% lead, and 5% zinc. It offers an excellent balance of strength, machinability, corrosion resistance, and wear resistance, making it one of the most commonly used alloys for industrial and marine applications.

🔹 Chemical Composition (%): 🔹 Mechanical Properties: 🔹 Key Features:

• Excellent corrosion resistance, especially in saltwater environments

• Good machinability and castability

• High wear and fatigue resistance

• Suitable for bearing and bushing applications

• Easily soldered and brazed

🔹 Applications:

• Pump & valve components

• Marine hardware

• Bearings & bushings

• Plumbing fittings

• Decorative architectural products

• Steam and water fittings

🔹 Available Forms:

• Round Bars

• Hollow Bars

• Ingots

• Rods

• Custom machined components

🔹 Standards / Equivalent Grades:

• ASTM B62 – Standard for C83600 Alloy

• UNS C83600

• ISO CuSn5Pb5Zn5

• BS 1400 LG2

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You said:Cupro Nickel Round BarsChatGPT said:

Cupro Nickel Round Bars (Copper-Nickel Alloy Rods)

Description:
Cupro Nickel Round Bars are corrosion-resistant copper-based alloys containing nickel and strengthening elements such as iron and manganese. They are widely used in marine, chemical, and heat-exchanger applications due to their excellent resistance to seawater corrosion and biofouling.

Common grades include CuNi 90/10 (C70600) and CuNi 70/30 (C71500) — the numbers represent the copper and nickel percentage respectively.

Specifications:

• Ni (Min): 99.5%
• Grade: Nickel
• Type: Nickel bar

Cupro Nickel Rods are solid cylindrical bars made from copper-nickel alloys, primarily composed of copper (Cu) and nickel (Ni), with small additions of elements such as iron and manganese to enhance strength, corrosion resistance, and stability. These rods are known for their exceptional resistance to seawater corrosion, high thermal stability, and excellent formability and weldability.

They are widely used in marine, chemical, and power generation industries for components requiring durability, corrosion resistance, and moderate strength.

🔍 Common Grades 📐 Key Features

• Corrosion Resistant: Excellent performance in brine, seawater, and acidic environments

• Thermal Stability: Retains mechanical properties across a wide temperature range

• Good Strength-to-Weight Ratio

• Non-magnetic & Spark Resistant

• High Fabricability: Can be easily welded, brazed, or cold-formed

🛠 Applications

• Heat exchangers and condenser tubing

• Marine hardware and piping systems

• Offshore oil & gas components

• Desalination plants

• Hydraulic and cooling systems

📏 Available Sizes & Forms

• Diameter: Typically from 6 mm to 200 mm (custom sizes on request)

• Length: Standard 1 to 6 meters (or as specified)

• Forms: Round rods (also available in hex, square, and flat bars)

• Finish: Hot rolled, cold drawn, or bright finish