1.4311, 304LN, S30451, X2CRNIN18-10
ASTM A194 Grade 8NA Nuts are manufactured from 304 Stainless Steel in accordance with ASTM A194 specification. Torqbolt is a prominent A194 Gr.8NA nut supplier in India.
Type 304N Stainless Steel Bolts 304N SS Fasteners 304N Stainless Steel Forgings Type 304N Stainless Nuts 304N Stainless Steel Machine Screws 304N SS Threaded Rod SS 304N Washers Astm A193 Grade B8N Class 2 Bolts Astm A193 Grade B8Na Bolts Astm A194 Grade 8N Heavy Hex Nuts Astm A194 Grade 8Na Hex Nuts Astm A320 Grade B8Ln Bolts Astm A320 Grade B8Lna 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 8NA | (304N) S30451 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | . . . | . . . | . . . | 0.10-0.16 | . . . | . . . | . . . | . . . |
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 8NA | 126 to 192 | ... | 60 to 90 | ... | ... |
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 |