Description of Material
Lonestar Fasteners Europe supply solution annealed duplex to various international and Original Equipment Manufacturers specific standards including but not limited to ASTM A1082, VN605 and Norsok M-630 D60 material.
As a qualified Norsok M650 D60 Ed4 accredited manufacturer, Lonestar Fasteners Europe have demonstrated that they can consistently supply solution annealed 32760 duplex fasteners and bolting to the world’s leading projects. Utilising the world’s leading steel mills through a controlled and fully audited supply restricted supply chain and method of manufacture.
Norsok M-630 D60: Forms
| LoneStar Manufacture | ||
| Stud Bolts | ✓ | |
| Studding | ✓ | |
| Double Ended Studs | ✓ | |
| Bolting | ✓ | |
| Nuts | ✓ |
Norsok M-630 D60: Sizes and Threads
| LoneStar Manufacture | ||
| Metric Coarse | ✓ | |
| Metric Fine | ✓ | |
| Imperial UNC | ✓ | |
| Imperial 8UN | ✓ | |
| Imperial UNF | ✓ | |
| ACME | ✓ | |
| Metric sizes available | Up to M90 | |
| Imperial sizes available | Up to 3.5″ |
Norsok M-630 D60: Chemical Composition
| Carbon | 0.03 | % Max |
| Manganese | 1.00 | % Max |
| Phosphorus | 0.030 | % Max |
| Sulphur | 0.010 | % Max |
| Silicon | 1.00 | % Max |
| Chromium | 24.0-26.0 | % |
| Nickel | 6.0-8.0 | % |
| Molybdenum | 3.0-4.0 | % |
| Copper | 0.50-1.00 | % |
| Niobium | 0.20-0.30 | % |
| Titanium | – | … |
| Vanadium | – | … |
| Aluminium | – | … |
| Boron | – | … |
Mechanical Properties
| Up to 3 ½” Inc. | ||
| Tensile Strength Min, MPa | 750 | – |
| Yield Strength min, 0.2% offset MPa | 550 | – |
| Elongation min% | 25 | – |
| Reduction of Area min% | – | – |
| Hardness, max | 30 HRC | – |
| Hardness, max | 290 HB | – |
Impact Properties
| Up to 3 ½” Inc. | ||
| Test Temperature, °C | -46 | – |
| Acceptance Criteria, Average min (J) | 45 | – |
| Acceptance Criteria, Single, min (J) | 35 | – |
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