| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF | 
		
			| SY/T 6857.1-2024 | English | RFQ | 
   ASK
   | 
                    3 days [Need to translate]
                 | 
                    (Oil well pipes for special environments in the petroleum and natural gas industry Part 1: Oil and gas field environments containing H2S - Recommended practices for the selection of carbon steel and low alloy steel oil pipes and casings)
                 | Valid | 
                    SY/T 6857.1-2024
                 | 
		
			| SY/T 6857.1-2012 | English | 679 | 
   Add to Cart
   | 
                    5 days [Need to translate]
                 | 
                    Petroleum and natural gas industries. OCTG used for special environment. Part 1: Recommended practice on selection of casing and tubing of carbon and low alloy steels for use in sour service
                 | Valid | 
                    SY/T 6857.1-2012
                 |