The most common carbon structural steel grade. It offers excellent weldability and machinability with a minimum yield strength of 36,000 psi (250 MPa).
The standard identifies several figures (patterns) manufactured by different producers. While specific dimensions vary by mill, they generally fall into these categories:
: Patterns are produced by individual manufacturers; while they may resemble each other, they are not identical. Mechanical Properties : Specimens must pass tensile tests to confirm specific yield point yield strength tensile strength Dimensions
Floor plates must lay relatively flat to prevent tripping hazards or structural gaps during installation. The ASTM A786 standard contains complex tables calculating maximum permissible flatness deviations based on the plate's thickness and width. Why You Need the Official ASTM A786 PDF astm a786 pdf
The ASTM A786 standard specifies the following key requirements:
ASTM A786 defines several distinct pattern designs, categorized by numbers (e.g., Pattern No. 1, Pattern No. 2, etc.). Each pattern specifies the shape, spacing, and height of the raised projections. While the specific diamond shape may vary slightly between manufacturing mills, it must conform to the geometric constraints outlined in the standard to ensure consistent slip resistance. 2. Dimensional Tolerances
The ASTM A786/A786M standard specifies the requirements for the physical characteristics of floor plates, such as dimensions, tolerances, and the raised pattern. Unlike other structural standards, A786 is typically used in conjunction with a material specification (like ASTM A36) to define the steel's chemical and mechanical properties. 1 inch (25 mm). The most common carbon structural steel grade
Ability to withstand structural load without permanent deformation. Elongation: Flexibility of the steel. 3. Surface Pattern (Lug Requirements)
While the main function is safety, the material must also meet structural integrity standards. The ASTM A786 specification details requirements for: Ability to resist breaking under tension.
ASTM A786 floor plates are among the most widely used forms of steel plate in heavy industrial and commercial settings. Their combination of slip resistance, durability, and structural strength makes them ideal for a wide range of applications. While specific dimensions vary by mill, they generally
The maximum thickness for products delivered under this specification is 1 inch (25 mm) .
This comprehensive guide breaks down the scope, material requirements, manufacturing standards, and applications defined within the ASTM A786 standard. 1. What is ASTM A786?
The "raised figures" are the defining feature of ASTM A786. These patterns are added during the hot-rolling process while the steel is still malleable. A786 Steel Floor Plate - Metals USA