Recommendations on the safe handling of zirconium metal and zirconium alloys

  • 47 Pages
  • 3.28 MB
  • 1424 Downloads
  • English
by
H.M.S.O
Statementby G.H. Bulmer and A. Quinton.
SeriesA.H.S.B.(S);no.R59
The Physical Object
Pagination47p.,ill.,30cm
ID Numbers
Open LibraryOL18773797M

Of Zirconium and Zirconium Alloys, but is included for informational purposes only. The American Welding Society formed the G2 Committee on Joining Metals and Alloys in in response to an industry demand for information on welding the metals and alloys that have not been covered by other documents and committees.

Massive zirconium metal scrap can be handled, shipped, and stored with no evidence of combustion or pyrophoricity hazards. Mechanically produced fine scrap such as shavings, turnings, or powders can burn but are not pyrophoric unless the particle diameter is less than mu.m.

Powders with. SAFETY DATA SHEET Issue Date May Revision Date Sep Version 4 1. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND OF THE COMPANY/UNDERTAKING Product identifier Product Name Zirconium and Zirconium Alloys Other means of identification.

Figure 3 is a guide to surface oxide color and appearance that can be used to help determine the extent of weld repair required. In any case, you must remove the contaminated metal before continuing welding.

Bend Test. The minimum bend radius for successful welds on all zirconium alloys is. Albemarle has pioneered the industrial use of special metals (zirconium metal powder, titanium metal powder, lithium, and barium) since the nineteen-fifties.

Today we offer our customers a large selection of high-quality metal products with various grades of zirconium metal powder, titanium metal powder as well as lithium and barium metal.

The zirconium alloys for nuclear applications are quite limited today: they are based either on a combination of tin (1–2%) and iron additions or on niobium addition (1–3%) for core use while unalloyed zirconium is used in reprocessing plants (Table ).

The oxygen increases the yield strength. The American Welding Society (AWS) publishes specifications for zirconium filler metal under A"Zirconium and Zirconium Alloy Bare Welding Rods Electrodes." Standard inch lengths in 1/, 3/, and 1/8-in.

(, 2- and 3-millimeter) diameters meet most requirements. ZIRCONIUM METAL MATERIAL SAFETY DATA SHEET SAFE HANDLING AND USE STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED: No special procedures.

WASTE DISPOSAL METHOD: Fine, non-recyclable scrap should be burned in small quantities under controlled conditions. The resulting zirconium oxide is inert and may be deposited in a landfill. Zirconium Fire and Explosion Hazard Evaluation: Interim Report U.S.

Atomic Energy Commission: Contributor: U.S. Atomic Energy Commission. Safety and Fire Protection Branch: Publisher: United States Atomic Energy Commission, Safety and Fire Protection Branch, Original from: the University of Michigan: Digitized: Length: alloys, photoflash bulbs, explosives, vacuum tubes, and iron recommendations.

Handling and Storage Prior to working with Zirconium you should be trained on its proper handling and storage. f Zirconium reacts violently or explosively with BORAX; CARBON TETRACHLORIDE and ALKALI METAL HYDROXIDES (such as POTASSIUM HYDROXIDE and. 3. Results and discussion Clad chemistry and surface appearance.

According to ASM Handbook (), a controlled amount of oxygen is added to zirconium alloys as a strengthening r, Lustman and Kerze () also reported that zirconium also experienced loss of ductility with increase in oxygen content.

Oxygen was found to increases the c/a ratio of zirconium’s. Zirconium alloys, due to their low thermal neutron capture cross-section, are widely accepted as cladding materials in reactor [1]. Since corrosion is the major property that limits the high burn.

Handling/Storage Precautions: Avoid breathing dust. Avoid getting in eyes or on skin. Wash thoroughly after handling.

Store in a dry place away from direct sunlight, heat and incompatible materials.

Details Recommendations on the safe handling of zirconium metal and zirconium alloys FB2

Reseal containers after use. Store away from food and beverages. Exposure Controls/Personal Protection. Eye Protection: Safety glasses or goggles.

AWS Filler Metal Specifications and Related Documents Abstract - (Show below) - (Hide below) Defines requirements for the classification of zirconium and zirconium-alloy electrodes and rods for gas metal arc, gas tungsten arc, and plasma arc welding.

Zirconia HT (High Translucent), at MPa, is much stronger than porcelain-fused-to-metal (PFM) restorations and maintains a natural and vibrant translucency. The product is % metal-free, a feature that prevents gingival darkening and removes the possibility of exposing metallic margins if gum recession begins.

Description Recommendations on the safe handling of zirconium metal and zirconium alloys FB2

This test method covers the determination of hafnium in zirconium and zirconium alloys with composition greater than % (30 mg/kg). The values stated in. Sponge/Granules - The titanium or zirconium metal which is extracted or produced from the natural minerals containing TiO2 or ZrO2, respectively.

Sponge Batch - The metal product of a single titanium or zirconium sponge reactor process.

Download Recommendations on the safe handling of zirconium metal and zirconium alloys EPUB

Like titanium, zirconium is a somewhat esoteric metal. Although it has been used in chemical processing applications for more than 40 years, the metal is seeing increased use in highly corrosive applications because of its resistance to most mineral acids, strong alkalis, organic acids and.

This specification covers two grades (Grade R and Grade R) of zirconium metal commonly designated as sponge or chunklets, but may also take other forms. This specification does not include crystal bar zirconium. This sponge is used in non-nuclear applications.

Zirconium is a soft grayish to gold-colored metal used in nuclear industry, corrosion resistant alloys, explosives, vacuum tube and iron and steel manufacturing. This specification covers two grades of zirconium metal commonly designated as sponge or chunklets, but may also take other forms.

This specification does not include crystal bar zirconium. This sponge is used in non-nuclear applications. TABLE MECHANICAL PROPERTIES OF ZIRCONIUM ALLOYS AT ROOM TEMPERATURE Material. Nominal composition. Condition. % proof stress MPa. UTS MPa.

Elongation %. Macro-hardness HV. Reference. Zr (ex iodide) >% purity Impurities in ppm by wt O 2 65, N 2 15, H 2 12, Hf 35, Ni Crystal bar, cold rolled and vacuum annealed 2 h at C.

specification and qualification of welding procedures for metallic materials - welding procedure test - part 5: arc welding of titanium, zirconium and their alloys: din en e: welding - recommendations for welding of metallic materials - part 7: electron beam welding: une-en The book provides a wide idea to readers about the usage of appropriate raw material and the treatment involved in the processing of raw material to final produce, safety, uses and properties of raw material involved in the processes.

This book concisely presents the core principles and varied details involved in processing of ferroalloys. The. This specification covers plate consisting of a base metal to which is bonded, integrally and continuously, on one or both sides a layer of one of the following: titanium, zirconium, tantalum, niobium, and their alloys.

The material generally is intended for pressure vessel use. Johnson, Jr., Corrosion and Failure Characteristics of Zirconium Alloys in High Pressure Steam in the Temperature Range to °C, Proc.

Symp. Applications Related Phenomena in Zirconium and Its Alloys, Philadelphia,ASTM-STPp. ; and. Zirconium: transition metal, group 4, period 5, block d, atomic number SAC Hafnium and Hafnium Alloys Revision Date Feb Chemical Name CAS No.

Weight-% Hafnium >99 Zirconium 4. FIRST AID MEASURES First aid measures Eye contact In the case of particles coming in contact with eyes during processing, treat as with any foreign object. Skin Contact None under normal use conditions. This specification covers plate consisting of a base metal to which is bonded, integrally and continuously, on one or both sides a layer of one of the following: titanium, zirconium, tantalum, niobium, and their alloys.

The material generally is intended for pressure vessel use. The values stated in inch-pound units are to be regarded as standard. “Zirconium and Hafnium and Their Alloys ASM Handbook Volume 9 Metallography and Microstructure, ASM Materials Park, Ohio January 1, Revision of AWS Addresses Important Changes in Title: Metallurgical and Corrosion.

ESPI High Purity Metal Specialists since with a company mission to provide a reliable resource for researcher\\\'s high purity metals, metal compounds and metal alloys for all major universities, international and domestic manufacturing companies and corporate R&D laboratories worldwide, as well as most U.S.

government research laboratories.Zirconium metal has high affinity to oxygen, i.e. a zirconium oxide has a high energy or heat of formation.

Zirconium falls into the group of metals known as refractory metals because the metal has a high melting point above º C. Zr melts at º C.

Refractory metals are used to make components for high temperature applications.These methods cover procedures for the chemical analysis of zirconium and zirconium alloys having chemical compositions. The techniques and procedures covered in these methods have been chosen so as to keep the consumption of sample to a minimum.

This standard may involve hazardous materials, operations, and equipment.