Material Donation to Michigan Baja Racing for Spring 2019

Michigan Baja Racing Team & Car Photo

The Michigan Baja Racing Team and their yet to be named vehicle.

We’ve been happy to support the Michigan Baja Racing Team since 2015. We’ve seen them face great success over the years with their student designed and built vehicles. Once again we were able to support the team this year with a material donation of 662 titanium round bar. As they gear up for competition starting in April, I was able to check in with Jeremiah Johnson, Manufacturing Director, to see how the titanium was used and how they feel about the upcoming competitions:

662 Titanium Round Bar

662 Titanium Round Bar Donated by PTG.

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Q1 2019 ATI Surcharges Published

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What Grade of Titanium Do I Need?

Quite frequently, we’re asked what the best grade of titanium would be for someone’s application. This is more often true for hobbyists or those new to the use of titanium. While we can’t recommend the best grade for your application, we can provide data sheets to help point you in the right direction. We suggest talking to the manufacturer’s engineering or metallurgy departments to be sure you are ordering the right material for your parts.

12" Round Bar - 6AL-4V

12″ Round Bar – Ti 6AL-4V

Some things to think about when choosing a grade:

  • What is the end use of my product? Different grades are more common for different industries and end uses. For example, the properties of 6AL-4V ELI may make it suitable for medical and dental applications. 6AL-4V, or Grade 5, is a very common grade for aerospace applications. For some applications, such as tooling or hobbies, machinists simply want an affordable option, such as Grade 2. But needs vary, and the most common or inexpensive grade is not necessarily the best one for your application.
  • Do I need the material to be weldable? Different grades have different levels of weldability, and some grades are not recommended to be welded at all.
  • What material specs or properties does my end product require? In the end, if requirements are imposed, you may not have any choice. You may be restricted to a certain grade. Different specifications, mechanical property requirements, and chemical makeup requirements will narrow down your choices.

Below are some common grades that we offer here at PTG. You can download our data sheets below for basic information regarding some of the questions above. For more extensive information, we recommend you get in touch with the manufacturer of the material. You can always contact us at 888.772.8984 or sales@performancetitanium.com for assistance in reaching potential manufacturers.

6AL-4V / Grade 5
6AL-4V Eli
6AL-6V-2SN
CP Grade 2
CP Grade 4

The use of this information is strictly voluntary and should be used as a guideline only. This data contains generalizations and is in no way a substitute for your own research. This information is not intended as a warranty or fitness of any application.

Q4 2018 ATI Surcharges Published

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Q3 2018 ATI Surcharges Published

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Thank you letter from Michigan Baja Racing Team

2018 Michigan Baja Racing Team at the unveiling of the 2018 race car.

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AMS 6931D: What You Need to Know

In December 2017, SAE released an updated and much-needed version of AMS 6931. Before we dig into some major changes in AMS 6931D, let’s take a look at where AMS 6931C left off.

AMS 6931 is a specification for titanium bar, forgings, and forging stock. AMS 6931 is specific to the 6AL-4V alloy.

AMS 6931C covered products up to 6” in diameter or least distance between parallel sides. However, it is commonly requested for products larger than 6” to be certified to AMS 6931. Since larger sizes were not specifically covered in the specification, AMS 6931C left it up to the purchaser and producer to determine what mechanical requirements could be satisfied for any products outside of the range identified in the specification. Usually manufacturers interpreted this as either (1) product manufactured in a size outside of the range of AMS 6931C would be manufactured to meet the properties of the largest size that is covered, or (2) since there are no specific requirements for products outside of the range of the specification, test results would be for information only, and not cause for rejection.

AMS 6931D recognizes that purchasers and end users are looking for assurances of what mechanical properties can be achieved in larger section sizes, by extending the coverage to 10” in diameter or least distance between parallel sides.  Also, while AMS 6931C defined properties for products with a maximum cross-section of 48 square inches, AMS 6931D extends to 79 square inches.  This allows titanium AMS 6931D products in this extended range to be certified without a “for information only” caveat; we now have firm requirements. For products larger than 10” diameter or least distance between parallel sides, and beyond a 79 square inch cross-section, the spec still does mandate the purchaser and producer to agree on the properties. [Read more…]

AMS 4928W: What You Need to Know

In December 2017, SAE released an updated and much-needed version of AMS 4928. Before we dig into some major changes in AMS 4928W, let’s take a look at where AMS 4928V left off.

AMS 4928 is a specification for titanium bar, wire, forgings, flash-welded rings, and drawn shapes. AMS 4928 is specific to the 6AL-4V alloy.

AMS 4928V covered products up to 6” in diameter or least distance between parallel sides. However, it is commonly requested for products larger than 6” to be certified to AMS 4928. Since larger sizes were not specifically covered in the specification, AMS 4928V left it up to the purchaser and producer to determine what mechanical requirements could be satisfied for any products outside of the range identified in the specification. Usually manufacturers interpreted this as either (1) product manufactured in a size outside of the range of AMS 4928V would be manufactured to meet the properties of the largest size that is covered, or (2) since there are no specific requirements for products outside of the range of the specification, test results would be for information only, and not cause for rejection.

AMS 4928W recognizes that purchasers and end users are looking for assurances of what mechanical properties can be achieved in larger section sizes, by extending the coverage to 10” in diameter or least distance between parallel sides.  This allows titanium AMS 4928W products in this extended range to be certified without a “for information only” caveat; we now have firm requirements. For products larger than 10” diameter or least distance between parallel sides, the spec still does mandate the purchaser and producer to agree on the properties. [Read more…]

Material Donation to Pennsylvania College of Technology

We were approached by a student at Penn State who asked for titanium material donations to experiment with in their Engineering class. We were happy to be able to support and we wanted to share their letter of gratitude as well as some pictures from the students!

A student attempting to successfully produce a weld with an acceptable oxide color using only basic supplies (aluminum foil and gas lens). This helps take away some of the stigma associated with welding Ti, and shows that as long as you abide by a few simple rules you can produce excellent results without needing a purge chamber.

This photo was captured after the student had finished welding a few stringer beads with varying levels of success. They are also encouraged to test the limits of cleanliness, shielding flow rate, travel speed, etc. to see the impact on the weld surface so they are able to troubleshoot and diagnose issues later.

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PERFORMANCE TITANIUM GROUP: A CUT ABOVE THE REST