This standard mainly applies to square steel pipes (hereinafter referred to as square steel pipes) used as pillars in earthquake-resistant building structures.
KS D 3864-2010 history
2022KS D 3864-2022 Cold rolled carbon steel square pipes for welded structure
2019KS D 3864-2019 Cold rolled carbon steel square pipes for building structure
2016KS D 3864-2016 Cold rolled carbon steel square pipes for aseismatic building structure
2010KS D 3864-2010 Cold rolled carbon steel square pipes for aseismatic building structure