AISI Design Standards (S100-, S200-, S300-, S400-Series)

AISI S100-16 (2020): North American Specification for the Design of Cold-Formed Steel Structural Members, 2016 Edition (Reaffirmed 2020)

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.

This 2016 edition supersedes the 2012 edition.

AISI S100-16 (2020) wS2-20: North American Specification for the Design of Cold-Formed Steel Structural Members, 2016 Edition (Reaffirmed 2020) with Supplement 2, 2020 Edition

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.

This 2020 edition incorporates Supplements 1 and 2 into the 2016 edition.

AISI S100-16 (2020) wS3-22: North American Specification for the Design of Cold-Formed Steel Structural Members, 2016 Edition (Reaffirmed 2020) with Supplement 3, 2022 Edition

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.

This 2022 edition incorporates Supplements 1, 2, and 3 into the 2016 edition.

AISI S202-15: Code of Standard Practice for Cold-Formed Steel Structural Framing, 2015 Edition

The practices in this Code of Standard Practice are a model to address the design, fabrication, and installation of cold-formed steel (CFS) structural framing.

This 2015 edition supersedes the 2011 edition.

AISI S202-20: Code of Standard Practice for Cold-Formed Steel Structural Framing, 2020 Edition

The practices in this Code of Standard Practice are a model to address the design, fabrication, and installation of cold-formed steel (CFS) structural framing.

This 2020 edition supersedes the 2015 edition.

AISI S220-15: North American Standard for Cold-Formed Steel Nonstructural Framing, 2015 Edition

This Standard applies to the design and installation of cold-formed steel nonstructural members in buildings.

This 2015 edition supersedes the 2011 edition.

AISI S220-20: North American Standard for Cold-Formed Steel Nonstructural Framing, 2020 Edition

This Standard applies to the design and installation of cold-formed steel nonstructural members in buildings.

This 2020 edition supersedes the 2015 edition.

AISI S230-15: Standard for Cold-Formed Steel Framing – Prescriptive Method for One- and Two-Family Dwellings, 2015 Edition

This Standard applies to the construction of detached one- and two-family dwellings, townhouses, other attached single-family dwellings, and accessory structures not more than three stories in height using repetitive in-line framing practices.

In this second printing, Errata 1 is incorporated.

AISI S230-19: Standard for Cold-Formed Steel Framing – Prescriptive Method for One- and Two-Family Dwellings, 2019 Edition

This Standard applies to the construction of detached one- and two-family dwellings, townhouses, other attached single-family dwellings, and accessory structures not more than three stories in height using repetitive in-line framing practices.

This 2019 edition supersedes the 2015 edition.

AISI S240-15: North American Standard for Cold-Formed Steel Structural Framing, 2015 Edition

This Standard applies to the design, manufacture, installation, and quality of structural members and connections utilized in cold-formed steel light-frame construction applications.

In this second printing, Errata 1 is incorporated.

AISI S240-20: North American Standard for Cold-Formed Steel Structural Framing, 2020 Edition

This Standard applies to the design, manufacture, installation, and quality of structural members and connections utilized in cold-formed steel light-frame construction applications.

This 2020 edition supersedes the 2015 edition.

AISI S250-21 wS1-22: North American Standard for Thermal Transmittance of Building Envelopes with Cold-Formed Steel Framing, 2021 Edition with Supplement 1

This Standard applies to the overall thermal transmittance (U-factor) of building envelopes containing cold-formed steel framing. This Standard is used to determine thermal transmittance (U-factors) for assessing the energy code compliance of building envelopes for floor assemblies, above-grade wall assemblies, and roof/ceiling assemblies.

This 2022 edition incorporates Supplement 1 into the 2021 edition.

AISI S310-16: North American Standard for the Design of Profiled Steel Diaphragm Panels, 2016 Edition

This Standard applies to diaphragms and wall diaphragms that contain profiled steel panels, which include fluted panels or deck, and cellular deck.

In this second printing, Errata 1 is incorporated.

AISI S310-20: North American Standard for the Design of Profiled Steel Diaphragm Panels, 2020 Edition

This Standard applies to diaphragms and wall diaphragms that contain profiled steel panels, which include fluted panels or deck, and cellular deck.

This 2020 edition supersedes the 2016 edition.

AISI S310-20 wS1-22: North American Standard for the Design of Profiled Steel Diaphragm Panels, 2020 Edition with Supplement 1

This Standard applies to diaphragms and wall diaphragms that contain profiled steel panels, which include fluted panels or deck, and cellular deck.

This 2022 edition incorporates Supplement 1 into the 2020 edition.

AISI S310-23: North American Standard for the Design of Profiled Steel Diaphragm Panels, 2023 Edition

This Standard applies to diaphragms and wall diaphragms that contain profiled steel panels, which include fluted panels or deck, and cellular deck.

This edition also contains the commentary to AISI S310-23.

AISI S400-15 wS1-16: North American Standard for Seismic Design of Cold-Formed Steel Structural Systems, 2015 Edition with Supplement 1

This Standard applies to the design and construction of cold-formed steel structural members and connections in seismic force-resisting systems and diaphragms in buildings and other structures.

This 2016 edition incorporates Supplement 1 into the 2015 edition.

AISI S400-20: North American Standard for Seismic Design of Cold-Formed Steel Structural Systems, 2020 Edition

This Standard applies to the design and construction of cold-formed steel structural members and connections in seismic force-resisting systems and diaphragms in buildings and other structures.

In this second printing, Errata 1 is incorporated.