S31254
ASTM A194 Grade 8MLCuNA Nuts are manufactured from 254 Smo Stainless Steel in accordance with ASTM A194 specification. Torqbolt is a prominent A194 Gr.8MLCuNA nut supplier in India.
254 Smo SS Bolts 254 Smo Stainless Fasteners 254 Smo Stainless Forgings 254 Smo Stainless Nuts 254 Smo Stainless Screws 6Mo Threaded Rod 254 Smo SS Washers Astm A193 Grade B8Mlcun Bolts Astm A193 Grade B8Mlcuna Bolts A194 Grade 8Mlcun Nuts Astm A194 Gr. 8Mlcuna Nuts 1.4547 Fasteners
Grade | Description and UNS Designation |
C | Mn | P | SE | Si | Cr | Ni | Mo | Ti | CbH | N | Cu | Se | V | Al |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ASTM A194/A194M Grade 8MLCuNA | (254) S31254 | 0.020 | 1.00 | 0.030 | 0.010 | 0.80 | 19.5-20.5 | 17.5-18.5 | 6.0-6.5 | . . . | . . . | 0.18-0.22 | 0.50-1.00 | . . . | . . . | . . . |
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 8MLCuNA | 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 |