The NORSOK standards are developed by the Norwegian petroleum industry to ensure adequate safety, value adding and cost effectiveness for petroleum industry developments and operations. Furthermore, NORSOK standards are as far as possible intended to replace oil company specifications and serve as references in the authorities regulations.
The standard dictates specific parameters for certifying the necessary facilities and equipment, confirming it functions according to the requirements to manufacture the specified grades. The manufacturer must also have significant experience in producing the qualifying material. Testing in accordance to requirements set forth in the standard must be made available for review along with the established Manufacturing Summary which details each step of the manufacturing process from begin to end. Qualifications must be certified through a 3rd party witness (EN10204:3.2).
They reference internationally recognized standards while adding requirements found to be effective in battling the stringent environment and stress of the North Sea. .
| NORSOK M-630 | NORSOK M-630 is an assembly of Material Data Sheets for use in piping systems and includes the material requirements by material grade and form. |
| NORSOK M-650 | NORSOK M-650 was established to ensure manufacturers are knowledgeable and competent to produce specialty alloys such as Duplex, Super Duplex, Nickel Alloys and Titanium. |
NORSOK M-630 Material Date Sheets
| MDS | Rev | Standard | Material Grade | Product Form |
| C01 | 3 | A106 | Grade B | Seamless Pipe |
| API 5L | Grade B | Welded Pipe | ||
| A672 | Grade CC60, CC70 | Welded Pipe | ||
| A234 | Grade WPB | Wrought Fittings | ||
| A105 | Forgings | |||
| A516 | Grade 60, 70 | Plate | ||
| C02 | 3 | A216 | Grade WCB | Castings |
| C11 | 3 | A333 | Grade 6 | Seamless Pipe |
| A671 | Grade CC60, CC70 | Welded Pipe | ||
| A420 | Grade WPL 6 | Wrought Fittings | ||
| A350 | Grade LF2 | Forgings | ||
| A516 | Grade 60, 70 | Plate | ||
| C12 | 3 | A352 | Grade LCC | Castings |
| C21 | 3 | A694 | Grade F52 | Forgings |
| A860 | WPHY52 | Wrought Fittings | ||
| C22 | 3 | API 5L | Grade 52 | Seamless Pipe |
| D41 | 3 | A790 | UNS S31803/UNS S32205 | Seamless Pipe |
| D42 | 3 | A928 | UNS S31803/UNS S32205 | Welded Pipe |
| D43 | 3 | A815 | UNS S31803/UNS S32205 | Wrought Fittings |
| D44 | 3 | A182 | Grade F51, F60 | Forgings |
| D45 | 3 | A240 | UNS S31803/UNS S32205 | Plate |
| D46 | 3 | A995 | Grade 4A (J92205) | Castings |
| D47 | 3 | A276 | UNS S31803/UNS S32205 | Bar |
| D48 | 3 | A789 | UNS S31803/UNS S32205 | Tube |
| D51 | 3 | A790 | UNS S32550/UNS S32750/ UNS S32760 | Seamless Pipe |
| D52 | 3 | A928 | UNS S32550/UNS S32750/ UNS S32760 | Welded Pipe |
| D53 | 3 | A815 | UNS S32550/UNS S32750/ UNS S32760 | Wrought Fittings |
| D54 | 3 | A182 | Grade F61, F53, F55 | Forgings |
| D55 | 3 | A240 | UNS S32550/UNS S32750/ UNS S32760 | Plate |
| D56 | 3 | A995 | Grade 6A (J93380), 5A (J93404) | Castings |
| D57 | 3 | A276 | UNS S32550/UNS S32750/ UNS S32760 | Bar |
| D58 | 2 | A789 | UNS S32550/UNS S32750/ UNS S32760 | Tube |
| K01 | 1 | B466 | UNS C70600 | Seamless Pipe and Tube |
| B467 | UNS C70600 | Welded Pipe | ||
| B151 | UNS C70600 | Rod and Bar | ||
| B171 | UNS C70600 | Sheet and Plate | ||
| UNS C70600 | Fittings | |||
| UNS C70600 | Flanges | |||
| K02 | 1 | B148 | UNS C 9580 | Castings |
| N01 | 3 | B366 | UNS N06625 | Wrought Fittings |
| B705 | UNS N06625 | Pipe | ||
| B564 | UNS N06625 | Forgings | ||
| B443 | UNS N06625 | Plate | ||
| B446 | UNS N06625 | Bar | ||
| B444 | UNS N06625 | Pipe & Tube | ||
| N02 | 3 | A494 | Grade CW-6MS, CX 2MW | Castings |
| R11 | 3 | A312 | UNS S31254, UNS N08367, UNS N08926 | Seamless Pipe |
| R12 | 3 | A358 | UNS S31254, UNS N08367, UNS N08926 | Welded Pipe |
| R13 | 3 | A403 | UNS S31254, UNS N08367, UNS N08926 | Wrought Fittings |
| R14 | 3 | A182 | Grade F44, UNS N08367, UNS N08926 | Forgings |
| R15 | 3 | A240 | UNS S31254, UNS N08367, UNS N08926 | Plate |
| R16 | 3 | A351 | Grade CK-3MCuN, CN-3MN | Castings |
| R17 | 3 | A276 | UNS S31254, UNS N08367, UNS N08926 | Bar |
| R18 | 3 | A269 | UNS S31254, UNS N08367, UNS N08926 | Tube |
| S01 | 3 | A312 | Grade TP316 | Seamless and Welded Pipe |
| A358 | Grade 316 | Welded Pipe | ||
| A403 | Grade WP316 | Wrought Fittings | ||
| A182 | Grade F316 | Forgings | ||
| A240 | Grade 316 | Plate | ||
| A276 | Grade 316 | Bar | ||
| A269 | Grade 316 | Tube | ||
| S02 | 3 | A351 | Grade CF3M, CF8M | Castings |
| T01 | 3 | B861 | Titainum Grade 2 | Seamless Pipe |
| B862 | Titainum Grade 2 | Welded Pipe | ||
| B363 | Titainum Grade WPT2/WPT2W | Wrought Fittings | ||
| B381 | Grade F2 | Forgings | ||
| B265 | Titainum Grade 2 | Plate | ||
| B348 | Titainum Grade 2 | Bar | ||
| B338 | Titainum Grade 2 | Tube | ||
| T02 | 3 | B367 | Titainum Grade C2 | Castings |
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