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An automotive bearing housing made from ASTM A 48 Class 40 gray iron.

Gray Iron ASTM A48 Class 40

Posted by Penticton Foundry on September 14, 2021

ASTM A48 Class 40 (Related Standards – ISO 185/JL/275, SAE J431 G4000, EN-GJL-250 or 300) is a gray cast iron with a pearlitic microstructure. Gray irons are classified into groups based on their tensile strength. For example, Class 40 requires a minimum tensile strength of 40 ksi. When choosing which class of gray iron for [more]

A48 Class 20 gray iron flow control plugs used in the aluminum smelting industry.

Gray Iron ASTM A48 Class 20

Posted by Penticton Foundry on July 13, 2021

ASTM A48 Class 20 (Related Standards – ISO 185/JL/150, SAE J431, EN-GJL-150) is a gray cast iron. Gray iron has a long history, and is one of the most widely used metallic materials. This is due to its low cost, ease of production, and unique, beneficial characteristics. Over 14 million tons of gray iron castings [more]

A foundry worker pours ASTM A536 120 – 90 – 02 ductile iron

Ductile Iron ASTM A536 Grade 120-90-02

Posted by Penticton Foundry on February 2, 2021

This data sheet focuses on ASTM A536 120 – 90 – 02 ductile iron. It offers notes on composition, applications, and physical and mechanical properties.

A chart comparing high chrome white iron and ceramic.

High Chrome White Iron Vs. Ceramic

Posted by Penticton Foundry on November 3, 2020

Chrome white iron and ceramic have key differences when it comes to abrasion resistance, ease of machining and cost of purchase. Read our blog to find out more.

Penticton Foundry’s new, innovative wear sensor pipe technology.

Innovation in Wear Technology

Posted by Penticton Foundry on August 25, 2020

Penticton Foundry, in partnership with the National Research Council, offers a new wear sensor technology that’s a game changer. Read our blog to find out more.

A discharge nozzle comprised of as in chrome white iron and steel

Chrome White Iron Outlasts Rubber 7 Times

Posted by Penticton Foundry on May 5, 2020

A mine in British Columbia got 7 times the wear life by replacing their rubber-lined discharge nozzle with chrome white iron. Read this success story today.