This Korean Industrial Standard specifies carbon steel pipes (hereinafter, referred to as "pipes") used for straight pipes or pipes with special connections for supplying fuel gas(Liquefied Natural Gas and Liquefied Petroleum Gas and etc.) supply piping whose applied pressure is high pressure (1) or less. However, quality of pipes with special connections shall be as specified in this standard.
Note (1) High pressure shall be 9.9 kgf/cm2.
Remark The units and numerical values given in {} in this standard are based on the international System of Units (SI) and are appended for informative reference.
KS D 3631-1999 history
2020KS D 3631-2020 Carbon steel pipes for fuel gas piping
2009KS D 3631-2009 Carbon steel pipes for fuel gas piping
1999KS D 3631-1999 Carbon steel pipes for fuel gas piping