ASTM A955/A955M - 20c Overview

The ASTM A955/A955M - 20c standard is a critical publication in the field of metallurgy, specifically addressing the specifications for stainless steel reinforcement bars (rebar) used in concrete construction. Developed by ASTM International, this important document outlines the necessary criteria for the manufacturing and testing of stainless steel rebar, ensuring durability and performance in structural applications.

Key Features

• Material Composition: ASTM A955/A955M specifies the necessary chemical and mechanical properties that stainless steel reinforcement bars must exhibit. This ensures that the material behaves optimally under various environmental conditions, significantly reducing the risk of corrosion compared to traditional carbon steel.
• Fabrication and Design Requirements: The standard covers manufacturing processes, including the methods for manufacturing, finishing, and marking the rebar. This ensures that users can reliably source high-quality materials that meet specified performance criteria.
• Testing Protocols: It includes rigorous testing protocols that help in assessing the structural integrity and performance characteristics of the stainless steel rebar. These guidelines are instrumental in maintaining quality control during production.
• Performance Standards: The document provides essential performance benchmarks that shall be met to qualify as compliant. These benchmarks relate to tensile strength, yield strength, and elongation, among other mechanical attributes.

Applications

Stainless steel reinforcement bars specified under ASTM A955/A955M are widely utilized in various construction projects where sustainability and longevity are of paramount importance. This includes:

• Bridges and highways
• Parking structures
• Coastal and marine environments
• Structures exposed to severe environmental conditions

Benefits

Implementing ASTM A955/A955M standards in construction not only enhances the durability and safety of infrastructures but also offers economic advantages over time. The resistance to corrosion can lead to lower maintenance costs and extended lifecycle of the structure.

Purchase Information

Available in both PDF format and hardcopy, the ASTM A955/A955M - 20c can be acquired for £74.00. This investment ensures access to vital information that can significantly affect project outcomes in construction engineering. Up-to-date knowledge of standards is integral to maintaining compliance and leveraging best practices in metallurgy and structural design.