The American Society for Materials and Testing develops ASTM material standards, which can include the chemical, mechanical, physical, and electrical properties of a material. Standardization includes both a description of test methods to be used on building materials, as well as dimensions and shapes for these materials. ASTM standards can be required of building materials like concrete before they can be used in construction. ASTM A53 and ASTM A106 are commonly used.


The American Society of Mechanical Engineers sets the ASME standard. ASME material specifications are based on those published by ASTM, AWS, and other recognized national and international standards. In the construction of infrastructures such as bridges, power plant piping, and boilers, ASME standards are legally required. ASME b16.5 is commonly used.


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In 1914, the ASME Boiler & Pressure Vessel Code was first published. Materials specifications for ferrous and nonferrous materials were developed jointly by ASME and ASTM. This joint standard did not include filler materials.

It is vital that the metals industry understands the interplay between ASTM and ASME specifications since the risk of supplying, fabricating and/or installing incorrect materials may be extremely high.

There are similarities and differences to discuss, but let’s begin with the most basic concept – suppliers and manufacturers should always follow the designated requirements & specifications invoked for the specific order.

For over a century ASTM and ASME h The ASME accepts ASTM materials with limitations that will perform adequately in boilers or pressure vessels. the materials may reflect this fact with a dual ASTM and ASME specification. This cooperation is often referred to as “joint action”. ASTM creates the material specifications and standard test methods to determine compliance.  The ASME accepts ASTM materials with limitations that will perform adequately in boilers or pressure vessels.  For example – we don’t make power boilers from copper tubing or paper mache!

You should be aware that while most ASTM and ASME specifications are nearly identical, there are many ASTM materials that cannot be used for ASME code construction.

ASTM A335 and ASME SA-335 Chrome Alloy pipes are examples of similar specifications. For specifications that have been accepted for use by the ASME Committee and are basically the same, it assigns the prefix S followed by the ASTM designation; for example, ASTM A335 and ASME SA-335 are similar.

As long as the material is produced in compliance with both specifications, it may reflect a dual ASTM and ASME specification on the material and on the certification process

Difference Between ASME ASTM Materials

Understanding ASTM Code for ASTM Industrial Heaters

The acronym ASTM refers to ASTM International, but it used to stand for American Society for Testing and Materials.

Organization that publishes technical standards on the quality of materials that can be used in the manufacture of various products and equipment, including those built to ASME standards. Standards are developed by committees and often adopted into other codes and made mandatory by other regulations.

ASTM does not enforce the requirements they establish for the various materials, products, systems, and services they regulate.

Ensure that the equipment you are purchasing meets ASTM code standards and is made from high-quality, approved materials. 

ASTM Industrial Heaters