What are ASTM grades?

What are ASTM Grades.. ASTM standards define the specific manufacturing process of the material and determine the exact chemical composition of pipes, fittings and flanges, through percentages of the permitted quantities of carbon, magnesium, nickel, etc., and are indicated by “Grade”.

What do ASTM letters mean?

American Society for Testing and Materials
The most widely used standard specifications for steel products in the United States are those published by ASTM (American Society for Testing and Materials). ASTM specifications represent a consensus among producers, specifiers, fabricators, and users of steel mill products.

Which ASTM standard is used for steel grade designation?

ASTM Standard A36 ASTM International works with industry leaders worldwide to ensure the safety and reliability of all types of materials. They maintain over 12,000 standards for all varieties of industry, including steel components used in construction applications.

How many steel grades are there?

The Four Types of Steel Authorities grade and categorize steel types into four groups—Carbon, Alloy, Stainless, and Tool.

How do you read ASTM steel?

For example, F3125 is the standard for high strength bolts. A325 and A490 are grades that fall under that standard, so you’d call a bolt F3125 Grade A325. When reading an ASTM standard, you will usually see two numbers after the standard, like A449-14. The last two numbers signify the year the standard was updated.

What is ASTM A 304?

304 and 304L ASTM A240 stainless steel plate is a standard 18-8 material – meaning it contains 18% chromium and 8% nickel. 304 Stainless steel plate is one of the most versatile stainless steel materials available. It has excellent forming and welding characteristics.

What is ASTM standard used for?

ASTM standards are used and accepted worldwide and cover areas such as metals, paints, plastics, textiles, petroleum, construction, energy, the environment, consumer products, medical services, devices and electronics, advanced materials and much more.

What is ASTM stainless steel?


Std Number Title
ASTM A314 Specification for Stainless Steel Billets and Bars for Forging
ASTM A493 Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
ASTM A564 Specification for Hot-Rolled And Cold-Finished Age-Hardening Stainless Steel Bars and Shapes