Made from AISI grade 410 (UNS S41000) material, finished nuts are manufactured by cold or hot forging or machining from raw material and then heat treated accordingly. Used predominantly with ASTM A193 B6 material within the petrochemical industry.
Manufactured to ASTM A194 standard specification, LoneStar Fasteners Europe can also offer with supplementary requirements of the standard as required by the application.
Forms
| LoneStar Manufacture | ||
| Imperial Nuts – Heavy and Normal Series – Including ANSI B18.2.2 | ✓ | |
| Metric Nuts – Regular and High types – Including DIN 934 H=D, ISO | ✓ | |
| Available with locking features | ✓ |
Sizes and Threads
| LoneStar Manufacture | ||
| Metric Coarse | ✓ | |
| Metric Fine | ✓ | |
| Imperial UNC | ✓ | |
| Imperial 8UN | ✓ | |
| Imperial UNF | ✓ | |
| ACME | ✓ | |
| Metric sizes available | Up to M100 | |
| Imperial sizes available | Up to 4.00″ |
Chemical Composition
| Carbon | 0.08-0.15 | % |
| Manganese | 1.00 | % Max |
| Phosphorus | 0.04 | % Max |
| Sulphur | 0.030 | % Max |
| Silicon | 1.00 | % Max |
| Chromium | 11.5-13.5 | % |
| Nickel | – | … |
| Molybdenum | – | % |
| Copper | – | … |
| Niobium | – | … |
| Titanium | – | … |
| Vanadium | – | … |
| Aluminium | – | … |
| Nitrogen | – | … |
Mechanical Properties
| Proof Load | Hardness | Hardness | |
| Up to 4” Inc. | ASTM A194 Table 3 + 4 |
228 – 271 HB | 20 – 28 HRC |
Similar or Equivalent Standards
| AISI 410 |
| AFNOR Z10 C13 |
| DIN X 10 Cr 13 |