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May/June 2009

Airplane landing gear and engine parts are often made from titanium.

Titanium Analysis

Advancing gas analysis technology is leading to the development of a proposed new ASTM International standard, WK22331, Test Method for Simultaneous Determination of Oxygen, Nitrogen and Hydrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique.

Analyzers are now available that can simultaneously test titanium and titanium alloys for oxygen, nitrogen and hydrogen. This development has created a savings for customers who can now purchase one analyzer, instead of two, to analyze for oxygen and nitrogen (E1409, Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique) and hydrogen (E1447, Test Method for Determination of Hydrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Thermal Conductivity/Infrared Detection Method) through separate methods.

WK22331 will allow users to test for oxygen, nitrogen and hydrogen simultaneously using just one standard. The proposed new standard is being developed by Subcommittee E01.06 on Ti, Zr, W, Mo, Ta, Nb, Hf, Re, part of ASTM International Committee E01 on Analytical Chemistry for Metals, Ores and Related Materials.

Kevin VonScio, laboratory manager, Perryman Co., and an E01 member, says that interested parties are invited to join in the development of WK22331. “Currently we are looking for laboratories to participate in the interlaboratory study to help to develop the proposed standard,” says VonScio. “We also need producers or laboratories to supply homogeneous materials that may be used in the interlaboratory study.”


Technical Information: Kevin VonScio, Perryman Co., Houston, Pa.

Phone: 724-746-9390

ASTM Staff: Thomas O’Toole

Phone: 610-832-9739