1.4565, S20910, X2CRNIMNMON25-18-6-5
ASTM A194 Grade 8RA Nuts are manufactured from Nitronic 50 in accordance with ASTM A194 specification. Torqbolt is a prominent A194 Gr.8RA nut supplier in India.
Astm A193 Grade B8R Class 2 Bolts Astm A193 Grade B8Ra Stud Bolts Astm A194 Grade 8R Hex Nuts Astm A194 Grade 8Ra Hex Nuts Nitronic 60 Springs Nitronic 60 Shoulder Bolts Nitronic 60 Stainless Steel Fasteners Nitronic 60 Forgings Nitronic 60 Lock Nuts Nitronic 60 Socket Head Cap Screws Nitronic 60 Stainless Steel Threaded Rod Nitronic 60 Washers 1.4565 Stud Bolts
Grade | Description and UNS Designation |
C | Mn | P | SE | Si | Cr | Ni | Mo | Ti | CbH | N | Cu | Se | V | Al |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ASTM A194/A194M Grade 8RAF | (XM19) S20910 | 0.06 | 4.0-6.0 | 0.045 | 0.030 | 1.00 | 20.5-23.5 | 11.5-13.5 | 1.50-3.00 | . . . | 0.10-0.30 | 0.20-0.40 | . . . | . . . | 0.10-0.30 | . . . |
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 8RA | 183 to 271 | 25 max | 88 min | ... | ... |
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 |
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 |
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 |
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 |