| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 0452-2012 | English | RFQ |
ASK
|
Days<=13
|
Standard for welding procedure qualification of oil and gas metal pipeline
|
SY/T 0452-2012
| Obsolete |
SY/T 0452-2012
|