Former AISI Standards

Current Editions of Former AISI Standards

The Standards listed here are former AISI Standards that are maintained by the Steel Deck Institute.

Former AISI Standards that pertain to cold-formed steel framing (AISI S202, AISI S220, AISI S230, AISI S240, AISI S250, AISI S400, AISI S910. AISI S911, AISI S913, AISI S914, AISI S915, AISI S916, AISI S917, AISI S918, AISI S919, AISI S920, and AISI S921) were transferred to the Steel Framing Industry Association (SFIA) in 2024.

Former AISI Standards that pertain to metal building systems (AISI S901, AISI S906, AISI S908, and AISI S912) were transferred to the Metal Building Manufacturers Association (MBMA) in 2025.

ANSI/SDI AISI S100-24
North American Specification for the Design of Cold Formed Structural Members
This Standard applies to the design of structural members cold-formed to shape from carbon or low-alloy steel sheet, strip, plate, or bar not more than 1 in. (25.4 mm) in thickness and used for load-carrying purposes in buildings, and structures other than buildings provided allowances are made for dynamic effects.

ANSI/AISI S310-23
North American Standard for the Design of Profiled Steel Diaphragm Panels
This Standard applies to diaphragms and wall diaphragms that contain profiled steel panels, which include fluted panels or deck, and cellular deck.

ANSI/SDI AISI S901-17 (R2024)
Test Standard for Determining the Rotational-Lateral Stiffness of Beam-to-Panel Assemblies
This is a test standard to determine the rotational-lateral stiffness of beam-to-panel assemblies. The test method is used primarily in determining the strength of beams connected to panels as part of a structural assembly.

ANSI/SDI AISI S902-24
Test Standard for Determining the Effective Area of Cold-Formed Steel Compression Members
This test method covers the determination of the effective cross-sectional area of cold-formed steel columns.

ANSI/SDI AISI S903-20 (R2024)
Test Standard for Determining the Uniform and Local Ductility of Carbon and Low-Alloy Steels
This test standard provides test methods for determination of uniform and local ductility of carbon and low-alloy steels from a tension test.

ANSI/SDI AISI S904-17 (R2024)
Test Standard for Determining the Tensile and Shear Strengths of Steel Screws
The performance test methods included in this standard establish procedures for conducting tests to determine the tensile and shear strength of steel screws. The screws may be carbon, stainless or bi-metal thread-forming or thread-cutting screws, with or without a self-drilling point, and with or without washers. The intended application for these screws is to connect cold-formed sheet steel materials.

ANSI/SDI AISI S905-24
Test Standard for Determining the Strength and Deformation Characteristics of Cold-Formed Steel Connections
This standard applies to performance test methods to determine the strength and deformation characteristics of mechanically fastened and welded connections for cold-formed steel building components.

ANSI/SDI AISI S906-17 (R2024)
Test Standard for Determining the Load-Carrying Strength of Panels and Anchor-to-Panel Attachments for Roof or Siding Systems Tested in Accordance with ASTM E1592
This test procedure extends and provides methodology for interpretation of results of tests performed according to ASTM E1592.

ANSI/SDI AISI S907-17 (R2024)
Test Standard for Determining the Strength and Stiffness of Cold-Formed Steel Diaphragms by the Cantilever Test Method
This standard applies to framed cold-formed steel panel floor, roof and wall diaphragm construction and provides requirements for static and cyclic testing of floor, roof and wall diaphragm assemblies.

ANSI/SDI AISI S908-17 (R2024)
Test Standard for Determining the Flexural Strength Reduction Factor of Purlins Supporting a Standing Seam Roof System
This test standard is to obtain the reduction factor to be used in determining the nominal flexural strength of a purlin supporting a standing seam roof system.

ANSI/SDI AISI S909-17 (R2024)
Test Standard for Determining the Web Crippling Strength of Cold-Formed Steel Flexural Members
This performance test method establishes procedures for conducting tests to determine the web crippling strength of cold-formed steel flexural members.

ANSI/SDI AISI S910-17 (R2024)
Test Standard for Determining the Distortional Buckling Strength of Cold-Formed Steel Hat-Shaped Compression Members
This test method establishes procedures for determining the nominal distortional buckling strength of cold-formed steel compression members with a hat-shaped cross-section.

ANSI/SDI AISI S911-17 (R2024)
Test Standard for Determining the Flexural Strength of Cold-Formed Steel Hat-Shaped Members
This test standard establishes a test method for determining the nominal flexural strength of an open hat-shaped cross-section subject to negative bending moment.

ANSI/SDI AISI S912-24
Test Standard for Determining the Strength of a Roof Panel-to-Purlin-to-Anchorage Device Connection
The purpose of this test standard is to obtain lower bound strength values for the roof panel-to-purlin-to-anchorage device connections in through-fastened and standing seam, multi-span, multi-purlin line roof systems.

ANSI/SDI AISI S913-17 (R2024)
Test Standard for Determining the Strength and Deformation Behavior of Hold-Downs Attached to Cold-Formed Steel Structural Framing
This standard provides two methods to determine both the strength and deformation behavior of hold-downs used in cold-formed steel light-frame construction. One of the test methods is to determine the strength and deformation behavior of the hold-down device and the other test method is to determine the strength and deformation behavior of the hold-down assembly.

ANSI/SDI AISI S914-17 (R2024)
Test Standard for Determining the Strength and Deformation Behavior of Joist Connectors Attached to Cold-Formed Steel Structural Framing
This standard provides a method to determine both the strength and deformation behavior of joist connectors used in cold-formed steel light-frame construction.

ANSI/SDI AISI S915-20 (R2024)
Test Standard for Determining the Strength and Deformation Behavior of Through-the-Web Punchout Cold-Formed Steel Wall Stud Bridging Connectors
This test standard provides the methodology to determine the strength and deformation behavior of through-the-web punchout bridging connectors for cold-formed steel wall stud bracing for nonstructural and structural wall studs in light-frame construction.

ANSI/SDI AISI S916-20 (R2024)
Test Standard for Determining the Strength and Stiffness of Cold-Formed Steel-Framed Nonstructural Interior Partition Walls Sheathed with Gypsum Board
This test standard establishes a rational method of determining the strength and stiffness of nonstructural interior partition wall assemblies framed with cold-formed steel.

ANSI/SDI AISI S917-17 (R2024)
Test Standard for Determining the Fastener-Sheathing Local Translational Stiffness of Sheathed Cold-Formed Steel Assemblies
This test standard applies for the determination of the local lateral stiffness supplied by sheathing, fastened to cold-formed steel members.

ANSI/SDI AISI S918-17 (R2024)
Test Standard for Determining the Fastener-Sheathing Rotational Stiffness of Sheathed Cold-Formed Steel Assemblies
This standard applies for the determination of rotational restraint supplied by sheathing, fastened to cold-formed steel members.

ANSI/SDI AISI S919-17 (R2024)
Test Standard for Determining the Flexural Strength and Stiffness of Cold-Formed Steel Nonstructural Members
This test standard provides the test procedure for determining the nominal flexural strength and stiffness of nonstructural cold-formed steel framing members.

ANSI/SDI AISI S920-24
Test Standard for Screw Penetration Through Gypsum Board Into Nonstructural Cold-Formed Steel Framing Members
This Standard applies to nonstructural cold-formed steel framing members to provide a means to verify the member has enough strength to pull the head of the drywall screw below the surface of the gypsum board paper face without screw spin-out.

ANSI/SDI AISI S921-19 (R2024)
Test Standard for Determining the Strength and Stiffness of Cold-Formed Steel Truss Assemblies and Components
This test standard establishes procedures for confirmatory and performance tests for the strength and stiffness of cold-formed steel trusses. The standard is applicable to roof and floor trusses. It can be used for laboratory or in situ testing.

ANSI/SDI AISI S922-19 (R2024)
Test Standard for Determining the Strength and Stiffness of Bearing-Friction Interference Connector Assemblies in Profiled Steel Panels
This test standard provides a test method for determining the strength and stiffness performance of bearing-friction interference connector assemblies installed in cold-formed profiled steel panels including steel deck and steel deck-slabs.

ANSI/SDI AISI S923-24
Test Standard for Determining the Strength and Stiffness of Shear Connection in Composite Members
This test standard determines the strength and stiffness of shear connections in composite members through testing.

ANSI/SDI AISI S924-2020 (R2024)
Test Standard for Determining the Effective Flexural Stiffness of Composite Members
This test standard provides a test method for determining the flexural stiffness of composite members formed by steel deck filled with concrete.