ASTM A194 Grade 6F Nuts
416S21, BS2380, 1.4005, 416, S41600, X12CRS13
ASTM A194 Grade 6F Nuts are manufactured from 410 Stainless Steel in accordance with ASTM A194 specification. Torqbolt is a prominent A194 Gr.6F nut supplier in India.
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ASTM A194 Grade 6F Nuts Properties
ASTM A194 Grade 6F Nuts Chemical Requirements
| Grade | Description and UNS Designation |
C | Mn | P | SE | Si | Cr | Ni | Mo | Ti | CbH | N | Cu | Se | V | Al |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A194/A194M Grade 6F | (416) S41600 | 0.15 | 1.25 | 0.060 | 0.15 min | 1.00 | 12.0-14.0 | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . | . . . |
ASTM A194 Grade 6F Nuts Mechanical Requirements
ASTM A194/A194M Hardness RequirementsA
| Grade and Type | Completed Nuts | Sample Nut after Treatment | |||
|---|---|---|---|---|---|
| Brinell Hardness | Rockwell Hardness | Brinell Hardness, min | Rockwell Hardness B Scale, min | ||
| C Scale | B Scale | ||||
| ASTM A194/A194M Grade 6F | 228 to 271 | 20 to 28 | ... | ... | ... |
Proof Load Using Threaded Mandrel (Inch Series)
| Nominal Size, in. | Threads per Inch | Stress Area in. 2 | Proof Load, lbf A | |
|---|---|---|---|---|
| Grades 6F | ||||
| Heavy HexD | HexE | |||
| 1/4 | 20 | 0.0316 | 4 770 | 4 300 |
| 5/16 | 18 | 0.0524 | 7 860 | 7 070 |
| 3/8 | 16 | 0.0774 | 11 620 | 10 460 |
| 7/16 | 14 | 0.1063 | 15 940 | 14 350 |
| 1/2 | 13 | 0.1419 | 21 280 | 19 160 |
| 9/16 | 12 | 0.182 | 27 300 | 24 570 |
| 5/8 | 11 | 0.226 | 33 900 | 30 510 |
| 3/4 | 10 | 0.334 | 50 100 | 45 090 |
| 7/8 | 9 | 0.462 | 69 300 | 62 370 |
| 1 | 8 | 0.606 | 90 900 | 81 810 |
| 11/8 | 8 | 0.790 | 118 500 | 106 700 |
| 11/4 | 8 | 1.000 | 150 000 | 135 000 |
| 13/8 | 8 | 1.233 | 185 000 | 166 500 |
| 11/2 | 8 | 1.492 | 223 800 | 201 400 |
Proof Load Using Threaded Mandrel (Metric)
| Nominal Size, mm | Threads Pitch | Stress Area mm 2 | Proof Load, kNA | |
|---|---|---|---|---|
| Grades 6F | ||||
| Heavy HexD | HexE | |||
| M6 | 1.0 | 20.1 | 20.8 | 18.7 |
| M8 | 1.25 | 36.6 | 37.9 | 34.0 |
| M10 | 1.50 | 58.0 | 60.0 | 53.9 |
| M12 | 1.75 | 84.3 | 87.3 | 78.4 |
| M14 | 2.0 | 115.0 | 119.0 | 107.0 |
| M16 | 2.0 | 157.0 | 162.5 | 146.0 |
| M20 | 2.5 | 245.0 | 253.6 | 227.8 |
| M22 | 2.5 | 303.0 | 313.6 | 281.8 |
| M24 | 3.0 | 353.0 | 365.4 | 328.3 |
| M27 | 3.0 | 459.0 | 475.1 | 426.9 |
| M30 | 3.5 | 561.0 | 580.6 | 521.7 |
| M36 | 4.0 | 817.0 | 845.6 | 759.8 |
ASTM A194/A194M Proof Load for Large Heavy Hex Nuts (InchA)
| Nominal Size, in. | Threads per in. | Stress Area, in. 2 | Proof Load, lbf B |
|---|---|---|---|
| Grades 6F Heavy Hex | |||
| 15/8 | 8 | 1.78 | 267 000 |
| 13/4 | 8 | 2.08 | 312 000 |
| 17/8 | 8 | 2.41 | 361 500 |
| 2 | 8 | 2.77 | 415 500 |
| 21/4 | 8 | 3.56 | 534 000 |
| 21/2 | 8 | 4.44 | 666 000 |
| 23/4 | 8 | 5.43 | 814 500 |
ASTM A194/A194M Proof Load for Large Heavy Hex Nuts - (MetricA)
| Nominal Size, mm | Thread Pitch | Stress Area, mm 2 | Proof Load, kNB |
|---|---|---|---|
| Grades 6F Heavy Hex | |||
| M42 | 4.5 | 1120 | 1159.2 |
| M48 | 5 | 1470 | 1521.4 |
| M56 | 5.5 | 2030 | 2101.0 |
| M64 | 6 | 2680 | 2773.8 |
| M72 | 6 | 3460 | 3581.1 |