Posts Tagged ‘ASTM E8’

Tensilkut Catalog, Circa 1955

August 9, 2017

In this day of instant electronic communication, it’s hard to believe that 60+ years ago, not only was everything mailed, but Tensilkut’s catalog, when it arrived in the mailbox, contained a tensile test bar which had been cut on the Tensilkut.

Tensilkut catalog with aluminum tensile sample

The 1955 Tensilkut catalog included a drawing of the only tensile bar we made at the time, along with an actual specimen!

I don’t imagine the founder of Tensilkut ever imagined a time when we could not only send information to customers nearly instantly, but also a time when we’d be able to make videos available for people to see whenever they wished.  Despite sea changes in communication, the need for his original machine remains very real – and at least one of the machines made in his first couple of years remains in service today.

Demonstration of the Tensilkut II

June 23, 2015

The Tensilkut II is used to easily prepare flat tensile, compression, flexural and other specimens from metals and non-metallics.  This machine is designed for operation in the testing lab by technicians without previous machining experience.

The starting blank is inserted into the Tensilkut Master Template, and the clamping screws are tightened as shown in this video.  The micrometer dial on the Tensilkut control head is set to its starting position, and a series of light passes are taken to cut the material from each side of the specimen.  When the correct tensile specimen dimensions are achieved, the micrometer dial will stop turning, thus preventing cutting an undersized test specimen.  After removing the completed ASTM E8 or other specimen from the master template, the tensile bar is ready for immediate testing.

Tensilkut Master Templates for Subsized Metal Specimens

May 7, 2015

The 50-30 series Tensilkut Master Templates are used to prepare modified ASTM E8 subsized specimens, with a .250″ x 2″ gauge section.

Tensilkut Master Templates 50-34, 50-36, 50-38

Tensilkut Master Templates 50-34, 50-36, 50-38

50-34 Template for use with 10-20 and 10-40 series Tensilkut I and 10-82 Tensilkut II

50-34 Template for use with 10-20 and 10-40 series Tensilkut I and 10-82 Tensilkut II

50-36 Template for use with Tensilkut I and Tensilkut II

50-36 Template for use with Tensilkut I and Tensilkut II

50-38 Template for use with Tensilkut I and Tensilkut II

50-38 Template for use with Tensilkut I and Tensilkut II

Tensilkut Master Templates for ASTM E8 Subsized Specimens

May 7, 2015

The 50-20 series Tensilkut Master Templates are used for preparing metals specimens in accordance with ASTM E8 for subsized bars.

Tensilkut Master Templates 50-24, 50-26, 50-28

Tensilkut Master Templates 50-24, 50-26, 50-28

50-24 Template for preparing ASTM E8 Subsized Tensile Specimens

50-24 Template for preparing ASTM E8 Subsized Tensile Specimens

50-26 Tensilkut Master Template for ASTM E8 Subsized Specimens

50-26 Tensilkut Master Template for ASTM E8 Subsized Specimens

50-26 Tensilkut Master Template for ASTM E8 Subsized Specimens

50-28 Tensilkut Master Template for ASTM E8 Subsized Specimens

Customized Master Templates

November 8, 2013

Sometimes a Tensilkut user needs to cut a specimen in accordance with a standard, such as ASTM E8, but needs the finished specimen modified to suit the material he has available.  Often, this entails making a different overall width for the template.  Such was the case recently, where a customer starts with 1.25″ wide material, but cuts his pieces in accordance with the gauge section detailed by the ASTM E8 standard for sheet type metals, with the .500″ x 2″ gauge length and 2.25″ reduced length.

Modified ASTM E8 template, with completed specimen

Modified ASTM E8 Template, with completed specimen

Tensilkut designed a template to accommodate this customer’s needs, with the extra width built into the body of the Master Template, while all other dimensions meet the ASTM E8 standard.  If you have need of a customized specimen such as this, please send us your specific requirements, so we can quote.

ASTM E8 Threaded Tensile Bars

October 16, 2013

ASTM E8 threaded tensilesThese round tensile bars to ASTM E8 were turned with the CNC Tensilathe, using the optional threading package.  The larger bar is the standard .505″ x 2″ gauge section; the smaller is the .250″ x 1″ subsized ASTM E8 specimen.