ASTM A194 Grade 8mna Nuts
316S61, 1.4406, 316LN, S31651, X2CRNIMON17-11-2
ASTM A194 Grade 8MNA Nuts are manufactured from 316 Stainless Steel in accordance with ASTM A194 specification. Torqbolt is a prominent A194 Gr.8MNA nut supplier in India.
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ASTM A194 Grade 8mna Nuts Properties
ASTM A194 Grade 8mna 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 8MNA | (316N) S31651 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-13.0 | 2.00-3.00 | . . . | . . . | 0.10-0.16 | . . . | . . . | . . . | . . . |
ASTM A194 Grade 8mna 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 8MNA | 126 to 192 | ... | 60 to 90 | ... | ... |
ASTM A194 Grade 8 Nuts Proof Load Using Threaded Mandrel (Inch Series)
| Nominal Size, in. | Threads per Inch | Stress Area in. 2 | Proof Load, lbf A | |
|---|---|---|---|---|
| All Types of Grade 8 | ||||
| Heavy HexH | HexI | |||
| 1/4 | 20 | 0.0316 | 2 540 | 2 380 |
| 5/16 | 18 | 0.0524 | 4 190 | 3 930 |
| 3/8 | 16 | 0.0774 | 6 200 | 5 810 |
| 7/16 | 14 | 0.1063 | 8 500 | 7 970 |
| 1/2 | 13 | 0.1419 | 11 350 | 10 640 |
| 9/16 | 12 | 0.182 | 14 560 | 13 650 |
| 5/8 | 11 | 0.226 | 18 080 | 16 950 |
| 3/4 | 10 | 0.334 | 26 720 | 25 050 |
| 7/8 | 9 | 0.462 | 36 960 | 34 650 |
| 1 | 8 | 0.606 | 48 480 | 45 450 |
| 11/8 | 8 | 0.790 | 63 200 | 59 250 |
| 11/4 | 8 | 1.000 | 80 000 | 75 000 |
| 13/8 | 8 | 1.233 | 98 640 | 92 450 |
| 11/2 | 8 | 1.492 | 119 360 | 111 900 |
ASTM A194 Grade 8 Nuts Proof Load Using Threaded Mandrel (Metric)
| Nominal Size, mm | Threads Pitch | Stress Area mm 2 | Proof Load, kNA | |
|---|---|---|---|---|
| All Types of Grade 8 | ||||
| Heavy HexH | HexI | |||
| M6 | 1.0 | 20.1 | 11.1 | 10.4 |
| M8 | 1.25 | 36.6 | 20.1 | 18.8 |
| M10 | 1.50 | 58.0 | 31.9 | 29.9 |
| M12 | 1.75 | 84.3 | 46.4 | 43.4 |
| M14 | 2.0 | 115.0 | 63.3 | 59.2 |
| M16 | 2.0 | 157.0 | 86.4 | 80.9 |
| M20 | 2.5 | 245.0 | 134.8 | 126.2 |
| M22 | 2.5 | 303.0 | 166.7 | 156.0 |
| M24 | 3.0 | 353.0 | 194.2 | 181.8 |
| M27 | 3.0 | 459.0 | 252.5 | 236.4 |
| M30 | 3.5 | 561.0 | 308.6 | 288.9 |
| M36 | 4.0 | 817.0 | 449.4 | 420.8 |
ASTM A194 Grade 8 Nuts Proof Load Testing of Strain Hardened Nuts Using Threaded Mandrel -(Inch)
| Proof Load, kNA | ||||
|---|---|---|---|---|
| NominalSize, mm | ThreadPitch | Stress Area,mm2 | All Typesof Grade 8(strain hardened) | All Typesof Grade 8(strain hardened) |
| Heavy HexC | HexB | |||
| 1/4 | 20 | 0.0316 | 3 950 | 3 480 |
| 5/16 | 18 | 0.0523 | 6 550 | 5 760 |
| 3/8 | 16 | 0.0774 | 9 675 | 8 510 |
| 7/16 | 14 | 0.1063 | 13 290 | 11 690 |
| 1/2 | 13 | 0.1419 | 17 740 | 15 610 |
| 9/16 | 12 | 0.182 | 22 750 | 20 020 |
| 5/8 | 11 | 0.226 | 28 250 | 24 860 |
| 3/4 | 10 | 0.334 | 41 750 | 36 740 |
| 7/8 | 9 | 0.462 | 53 130 | 46 200 |
| 1 | 8 | 0.606 | 69 690 | 60 600 |
| 11/8 | 8 | 0.790 | 82 950 | 75 050 |
| 11/4 | 8 | 1.000 | 105 000 | 95 000 |
| 13/8 | 8 | 1.233 | 123 300 | 110 970 |
| 11/2 | 8 | 1.492 | 149 200 | 134 280 |
ASTM A194 Grade 8 Nuts Proof Load Testing of Strain Hardened Nuts Using Threaded Mandrel (Metric)
| Proof Load, kNA | ||||
|---|---|---|---|---|
| Nominal Size, mm | Thread Pitch | Stress Area,mm2 | All Types of Grade 8(strain hardened) | All Types of Grade 8(strain hardened) |
| Heavy HexC | HexB | |||
| M6 | 1.0 | 20.1 | 17.3 | 15.3 |
| M8 | 1.25 | 36.6 | 31.3 | 27.8 |
| M10 | 1.50 | 58.0 | 49.9 | 44.1 |
| M12 | 1.75 | 84.3 | 72.5 | 64.1 |
| M14 | 2.0 | 115.0 | 98.9 | 87.4 |
| M16 | 2.0 | 157.0 | 135.0 | 119.3 |
| M20 | 2.5 | 245.0 | 210.9 | 186.2 |
| M22 | 2.5 | 303.0 | 240.9 | 209.0 |
| M24 | 3.0 | 353.0 | 280.6 | 243.5 |
| M27 | 3.0 | 459.0 | 332.7 | 300.6 |
| M30 | 3.5 | 561.0 | 406.7 | 367.5 |
| M36 | 4.0 | 817.0 | 563.7 | 506.5 |