| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SY/T 6858.4-2012 | English | 239 |
Add to Cart
|
Days<=3
|
Nondestructive testing method for OCTG. Part 4: Ultrasonic inspection for drill pipe weld seams
|
SY/T 6858.4-2012
| Valid |
SY/T 6858.4-2012
|