TC 67/SC 5 - Casing, tubing and drill pipe

• Participating countries: 19
• Observing countries: 8

Secretariat:

• Japan ( JISC )

Participating Countries

• Argentina ( IRAM )   
• Brazil ( ABNT )   
• Canada ( SCC )   
• China ( SAC )   
• France ( AFNOR )   
• Germany ( DIN )   
• India ( BIS )   
• Indonesia ( BSN )   
• Italy ( UNI )   
• Korea, Republic of ( KATS )   
• Mexico ( DGN )   
• Netherlands ( NEN )   
• Norway ( SN )   
• Romania ( ASRO )   
• Russian Federation ( GOST R )   
• South Africa ( SABS )   
• USA ( ANSI )   
• United Kingdom ( BSI )   

Observing Countries

• Austria ( ASI )   
• Egypt ( EOS )   
• Finland ( SFS )   
• Iran, Islamic Republic of ( ISIRI )   
• Poland ( PKN )   
• Serbia ( ISS )   
• Spain ( AENOR )   
• Sweden ( SIS )