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Introduction To Zirconium 704 / UNS R60704

Zirconium 704

MOKSH TUBES & FITTINGS LLP we manufacture, supply, export, import, and stock a diverse selection of Zirconium 704 (UNS R60704) products. Available forms include Pipes & Tubes, Fittings, Flanges, Fasteners, Sheets, Plates, Coils, Wires, Bars, Welding Rods, and Custom Zirconium Assemblies tailored to demanding industrial needs.

Zirconium 704 is a high-purity zirconium alloy offering exceptional resistance to corrosion, notably in high-purity water and acidic environments. It boasts excellent mechanical strength, outstanding weldability, and minimal contamination—making it ideal for high-end chemical, nuclear, pharmaceutical, and seawater applications.

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Specifications of Zirconium 704 (UNS R60704)

Category Details
Grade Zirconium 704 / UNS R60704
Type High-Purity Zirconium Alloy
Standards ASTM B551, ASTM B523, ASME SB-551
Forms Pipes, Tubes, Sheets, Plates, Rods, Wire, Fittings, Flanges, Fasteners
Testing Chemical, PMI, Tensile, Hardness
Certification EN 10204 3.1 / 3.2

Chemical Composition of Zirconium 704

Element Max. Composition (% by Weight)
Zirconium (Zr) ≥ 99.3 (Balance)
Hafnium (Hf) ≤ 2.0
Oxygen (O) ≤ 0.12
Nitrogen (N) ≤ 0.015
Hydrogen (H) ≤ 0.005
Carbon (C) ≤ 0.03
Iron (Fe) ≤ 0.15

Ultra-low impurity elements significantly enhance corrosion resistance and mechanical stability.

Technical Composition of Zirconium 704

Physical Properties of Zirconium 704

Property Imperial Metric
Density 0.237 lb/in³ 6.56 g/cm³
Melting Range 3360 – 3380 °F 1849 – 1859 °C
Specific Heat 0.065 Btu/lb·°F 272 J/kg·°C
Magnetic Permeability (200 Oe) ~1.01
Magnetic Behavior Non-magnetic Non-magnetic

Heat Treatment of Zirconium 704

Process Temperature Range Purpose
Stress Relieving 540 – 650 °C Reduce residual stresses
Annealing 700 – 900 °C Improve ductility & corrosion resistance
Vacuum Annealing Semiconductor-grade purity
Recrystallization Annealing 850 – 950 °C Restore properties after cold work

📌 Proper argon or helium shielding is essential during heat treatment to avoid contamination.

Mechanical Properties of Zirconium 704 (Annealed)

Temperature Tensile Strength (MPa) Yield Strength (MPa) Hardness (BHN)
25 °C (80 °F) 420 250 210
425 °C (800 °F) 275 172 160
540 °C (1000 °F) 207 124 130
650 °C (1200 °F) 138 83 100
705 °C (1300 °F) 103 62 85
760 °C (1400 °F) 69 41 70

Zirconium 704 maintains stable strength at elevated temperatures, making it ideal for reactors and corrosive heating systems.

Products in Zirconium 704

Zirconium 704 in numerous standard and custom formats to match your project requirements:

Seamless Pipes
Welded Pipes (ERW & EFW)
Tubes (Capillary, U-Bend)
Sheets & Plates
Coils & Strips
Round Bars, Flat Bars, Hex Bars, Square Bars
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
Custom Fabricated Components

Zirconium 704 products are produced to the following global standards:

Uses and Advantages

Superior Corrosion Resistance in acids (e.g. nitric, sulfuric) and high-purity waters
High Mechanical Strength with light weight
Excellent Fabrication Properties—weldable, formable, easy to machine
Minimal Contamination Risk—ideal for semiconductor and pharmaceutical use
Non-Magnetic and biocompatible—safe for medical and electronic systems
Low Neutron Absorption—suitable for nuclear industry applications

Applications of Zirconium 704

Zirconium 704 meets the exacting demands of environments requiring purity, consistency, and durability:

Chemical Processing

Vessels, piping in acid/alkali service

Nuclear

Fuel cladding, reactor internals, low neutron absorption systems

Pharmaceutical & Biotech

Sanitary piping, clean-room components

Aerospace

Corrosion-resistant fuel and hydraulic systems

Medical Devices

Implants, surgical tools, sterilization chambers

seawater Systems

Desalination plants, seawater piping, marine fittings

WHY CHOOSE US?

Expertise in high‑purity zirconium alloys
Global access to prime raw materials
ASTM/ASME-certified manufacturing
Tailored fabrication to your specifications
Reliable quality and supply chain

Zirconium 704 Price (India)

Typical Range: ₹5,000 – ₹11,000 per kg

(Price varies by OD, wall thickness, form, and finish)

Contact us for exact quotation based on size and quantity.

FAQ's

What is Zirconium 704 and its main characteristics?

Zirconium 704 (UNS R60704) is a high-purity zirconium alloy recognized for superior corrosion resistance, excellent weldability, high mechanical strength, minimal contamination, and biocompatibility. It is ideal for chemical, nuclear, pharmaceutical, and seawater applications requiring reliability and longevity.

Which products are available in Zirconium 704?

MOKSH TUBES & FITTINGS LLP offers a full range of Zirconium 704 products, including seamless and welded pipes, tubes, sheets, plates, coils, bars, flanges, fittings, fasteners, welding rods, and custom fabricated components that meet industrial and medical standards.

What industries commonly use Zirconium 704?

Zirconium 704 is widely applied in chemical processing, nuclear reactors, pharmaceutical and biotech sectors, aerospace, medical devices, and seawater systems where high purity, corrosion resistance, and durability are essential.

What are the advantages of Zirconium 704 over other alloys?

Zirconium 704 offers excellent corrosion resistance in acids and high-purity water, superior mechanical strength, easy fabrication, minimal contamination risk, non magnetic behavior, biocompatibility, and low neutron absorption, making it particularly suitable for nuclear and high purity applications.

Why choose MOKSH TUBES & FITTINGS LLP for Zirconium 704?

MOKSH TUBES & FITTINGS LLP supplies premium Zirconium 704, sourced globally and manufactured to ASTM/ASME standards. We provide custom solutions, reliable delivery, and technical support across multiple industries, ensuring performance and compliance for critical applications.

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