Unifit Metalloys Inc. is an eminent exporter and stockist of Stainless Steel ASTM A194 Grade 8S Hex Nuts, which is necessary to keep the tool cutting at all times and use chip breakers. When welding this ASTM A194 Grade 8S Stainless Steel Hex Nuts with all procedures, it works against this distortion (e.g. back-step sequence welding, welding alternately on opposite sides, and assignment of two welders when the components are accordingly large) have to be respected notably. ASTM A194 Stainless Steel Grade 8S Hex Nuts has excellent corrosion resistance at normal temperatures but is primarily designed to perform at high temperatures.
Stainless Steel ASME SA 194 Grade 8S Hex Nuts is used in Kilns, Heat Exchangers, Radiant Tubes, Muffles, retorts, annealing covers, Tube hangers for petroleum refiing and steam boilers. However, Full Hard tempers should be used in ASME SA 194 Grade 8S Stainless Steel Hex Nuts whenever high wear resistance and spring features are required in components of simple form designs.
ASME SA 194 Stainless Steel Grade 8S Hex Nuts is the low carbon version of the high carbon modification of the metal specifically designed for better resistance to creep, as aforementioned. ASTM A194 Grade 8S Alloy Hex Nuts is also used in Refractory anchor bolts; Burners, combustion chambers; Retorts, muffles, annealing covers; Food processing equipment; Cryogenic structures; and so on.
STANDARD | Grade | Designation |
ASTM A194 | 8S | Nitronic 60/UNS S21800 Stainless Steel, Carbide Solution Treated. |
Specifications : ASTM A194 / ASME SA194, ASTM/ASME/BS/DIN/BS EN ISO /JIS
Length : 3mm to 200mm
Size Range : M6 to M64 in metric series | ¼" to 2-½" in imperial | Custom Sizes
Threads : UNC, 8UN, UNF, Metric Coarse and Metric Fine
Grade | UNS Number |
C, % | Mn, % | Ph, % | S, % | Si, % | Cr, % | Ni, % | N, % |
8S | S21800 | 0.100 | 7.0-9.0 | 0.060 | 0.030 | 3.5-4.5 | 16.0-18.0 | 8.0-9.0 | 0.08-0.18 |
Tensile Strength | Yield Strength | Elongation | Reduction | Hardness |
---|---|---|---|---|
655 | 345 | 35 | 55 | 271 HBW or 28 HRC |
DIN Nuts | Hexagon Nuts |
---|---|
Din 315 Wing Nut | DIN 934 Finished Hex Nut |
DIN 985 Hex Nylon Insert Lock Nut | DIN 980V Hex Steel Prevailing Torque Lock Nut |
DIN 8334 Rod Coupling Nut | DIN 8923 Hex Flange Nut |
Din 431 Nuts | BS 1768 |
Din 555 Nuts | BS 1769 |
Din 557 Nuts | BS 1083 |
Din 562 Nuts | BS 3692 |
Din 582 Nuts | ISO 4032 |
Din 934 Nuts | ISO 4033 |
Din 936 Nuts | ANSI B18.2.2 |
Din 1587 Nuts | |
Din 6923 Nuts |
We offer wide range of industrial ASTM A194 GR.8S Hex Nuts that in compliance with IS, BS and DIN standards at best market prices in India. To know more about the latest price of ASTM A194 GR.8S Nuts Please Call 91 22 66518521 or Send an Email to chirag@unifitmetalloys.com
Our products range of ASTM A194 GR.8S Hex Nut find application in various areas such as: Pumps, Civil Industries, Hydro or Thermal), power Generation Units ( Nuclear, Civil Construction Industries, Vessels, Oil Expansion Projects, Fertilizer Plants, Valves, Petro-Chemical Industries, Heavy Engineering Industries, Ship Building Industries, Steel Plants, Off Shore & On Shore Oil Towers, Home Fittings, Railways etc.
Nuts Size (mm) |
Diameter* (mm) |
Height (mm) |
||
---|---|---|---|---|
Hex Nuts | Jam Nuts | Nylock Nuts | ||
2 | 4 | 1.6 | 1.2 | – |
2.5 | 5 | 2 | 1.6 | – |
3 | 5.5 | 2.4 | 1.8 | 4 |
4 | 7 | 3.2 | 2.2 | 5 |
5 | 8 | 4 | 2.7 | 5 |
6 | 10 | 5 | 3.2 | 6 |
7 | 11 | 5.5 | 3.5 | – |
8 | 13 | 6.5 | 4 | 8 |
10 | 17 | 8 | 5 | 10 |
12 | 19 | 10 | 6 | 12 |
14 | 22 | 11 | 7 | 14 |
16 | 24 | 13 | 8 | 16 |
18 | 27 | 15 | 9 | 18.5 |
20 | 30 | 16 | 10 | 20 |
* This is the diameter across the flats. It is also the size of wrench to use. |
Size | Finished Hex | Heavy Hex | Finished Jam | Heavy Hex Jam | Square | Heavy Square |
1/2" Nut | 3.75 | 6.54 | 2.62 | 4.00 | 5.78 | 7.87 |
5/8" Nut | 7.33 | 11.9 | 4.93 | 6.96 | 10.8 | 14.3 |
3/4" Nut | 11.9 | 19.3 | 7.70 | 11.0 | 15.4 | 23.5 |
7/8" Nut | 19.0 | 29.7 | 12.0 | 16.7 | 24.5 | 36.2 |
1" Nut | 28.3 | 42.5 | 17.6 | 23.5 | 36.3 | 51.5 |
11/8" Nut | 40.3 | 59.2 | 24.7 | 32.4 | 52.5 | 72.4 |
11/4" Nut | 54.3 | 78.6 | 36.1 | 45.8 | 70.6 | 95.5 |
13/8" Nut | 73.0 | 102 | 47.9 | 59.3 | 94.5 | 125.0 |
11/2" Nut | 94.3 | 131 | 60.9 | 74.8 | 122 | 161 |
15/8" Nut | 162 | 91.6 | ||||
13/4" Nut | 151 | 204 | 100 | 114 | ||
17/8" Nut | 241 | 134 | ||||
2" Nut | 224 | 299 | 140 | 165 | ||
21/4" Nut | 419 | 227 | ||||
21/2" Nut | 564 | 332 | ||||
23/4" Nut | 738 | 429 | ||||
3" Nut | 950 | 545 | ||||
31/4" Nut | 1194 | 651 | ||||
31/2" Nut | 1526 | 851 | ||||
33/4" Nut | 1812 | 1005 | ||||
4" Nut | 2180 | 1200 |
Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
Width Across Flats | Width Across Corners | Thickness | |||||||
Basic | Max | Min | Max | Min | Basic | Max | Min | ||
1/4 Hex Nuts | .2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | .226 | .212 |
5/16 Hex Nuts | .3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | .273 | .258 |
3/8 Hex Nuts | .3750 | 9/16 | .562 | .551 | .650 | .628 | 21/64 | .337 | .320 |
7/16 Hex Nuts | .4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | .385 | .365 |
1/2 Hex Nuts | .5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | .448 | .427 |
9/16 Hex Nuts | .5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | .496 | .473 |
5/8 Hex Nuts | .6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 35/64 | .559 | .535 |
3/4 Hex Nuts | .7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | .665 | .617 |
7/8 Hex Nuts | .8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | .776 | .724 |
1 Hex Nuts | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | .887 | .831 |
1-1/8 Hex Nuts | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | .999 | .939 |
1-3/8 Hex Nuts | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
1-1/2 Hex Nuts | 1.500 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.317 | 1.245 |
1-5/8 Hex Nuts | 1.6250 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.686 | 1-25/64 | 1.429 | 1.353 |
1-3/4 Hex Nuts | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
2 Hex Nuts | 2.0000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
2-1/4 Hex Nuts | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
2-1/2 Hex Nuts | 2.5000 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 2-5/32 | 2.209 | 2.105 |
2-3/4 Hex Nuts | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 2-3/8 | 2.431 | 2.319 |
Nominal Size or Basic Major Thread Diameter | F | G | H | ||||||
Width Across Flats | Width Across Corners | Thickness | |||||||
Basic | Max | Min | Max | Min | Basic | Max | Min | ||
1/4 Heavy Hex Nut | .2500 | 1/2 | .500 | .488 | .577 | .556 | 15/64 | .250 | .218 |
5/16 Heavy Hex Nut | .3125 | 9/16 | .562 | .546 | .650 | .622 | 19/64 | .314 | .280 |
3/8 Heavy Hex Nut | .3750 | 11/16 | .688 | .669 | .794 | .763 | 23/64 | .377 | .341 |
7/16 Heavy Hex Nut | .4375 | 3/4 | .750 | .728 | .866 | .830 | 27/64 | .441 | .403 |
1/2 Heavy Hex Nut | .5000 | 7/8 | .875 | .850 | 1.010 | .969 | 31/64 | .504 | .464 |
9/16 Heavy Hex Nut | .5625 | 15/16 | .938 | .909 | 1.083 | 1.037 | 35/64 | .568 | .526 |
5/8 Heavy Hex Nut | .6250 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 39/64 | .631 | .587 |
3/4 Heavy Hex Nut | .7500 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.382 | 47/64 | .758 | .710 |
7/8 Heavy Hex Nut | .8750 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 55/64 | .885 | .833 |
1 Heavy Hex Nut | 1.0000 | 1-5/8 | 1.325 | 1.575 | 1.876 | 1.796 | 63/64 | 1.012 | .956 |
1-1/8 Heavy Hex Nut | 1.1250 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 1-7/64 | 1.139 | 1.079 |
1-1/4 Heavy Hex Nut | 1.2500 | 2 | 2.000 | 1.938 | 2.309 | 2.209 | 1-7/32 | 1.251 | 1.187 |
1-3/8 Heavy Hex Nut | 1.3750 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 1-11/32 | 1.378 | 1.310 |
1-1/2 Heavy Hex Nut | 1.5000 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1-15/32 | 1.505 | 1.433 |
1-5/8 Heavy Hex Nut | 1.6250 | 2-9/16 | 2.562 | 2.481 | 2.959 | 2.828 | 1-19/32 | 1.632 | 1.556 |
1-3/4 Heavy Hex Nut | 1.7500 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-23/32 | 1.759 | 1.679 |
2 Heavy Hex Nut | 2.0000 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-31/32 | 2.013 | 1.925 |
2-1/4 Heavy Hex Nut | 2.2500 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 2-13/64 | 2.251 | 2.155 |
2-1/2 Heavy Hex Nut | 2.5000 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 2-29/64 | 2.505 | 2.401 |
2-3/4 Heavy Hex Nut | 2.7500 | 4-1/4 | 4.250 | 4.112 | 4.907 | 4.688 | 2-45/64 | 2.759 | 2.647 |
3 Heavy Hex Nut | 3.0000 | 4-5/8 | 4.625 | 4.475 | 5.340 | 5.102 | 2-61/64 | 3.013 | 2.893 |
3-1/4 Heavy Hex Nut | 3.2500 | 5 | 5.000 | 4.838 | 5.774 | 5.515 | 3-3/16 | 3.252 | 3.124 |
3-1/2 Heavy Hex Nut | 3.5000 | 5-3/8 | 5.375 | 5.200 | 6.207 | 5.928 | 3-7/16 | 3.506 | 3.370 |
3-3/4 Heavy Hex Nut | 3.7500 | 5-3/4 | 5.750 | 5.562 | 6.640 | 6.341 | 3-11/16 | 3.670 | 3.616 |
4 Heavy Hex Nut | 4.0000 | 6-1/8 | 6.125 | 5.925 | 7.073 | 6.755 | 3-15/16 | 4.014 | 3.862 |
Unifit Metalloys Inc. manufactures, suppliers and exports of ASTM A194 GR.8S Hex Nuts to various countries such as Bahrain, Ukraine, Estonia, Egypt, Lithuania, Croatia, Mongolia, Brazil, South Korea, China, Bangladesh, Azerbaijan, Belarus, Finland, Colombia, New Zealand, Sweden, Libya, Israel, Spain, Greece, Mexico, Kenya, Denmark, Taiwan, Belgium, South Africa, Gabon, Argentina, Hungary, Ecuador, Malaysia, Singapore, Iran, Norway, Sri Lanka, Costa Rica, Romania, Kuwait, Morocco, Bolivia, Mexico, Poland, Pakistan, United Arab Emirates, Bhutan, Saudi Arabia, Iran, Slovakia, Switzerland, Canada, Oman, Angola, Chile, Australia, Czech Republic, Yemen, United States, Turkey, Bulgaria, Vietnam, Poland, Chile, Portugal, Austria, Tunisia, Italy, Algeria, Nigeria, Philippines, Nigeria, Hong Kong, France, Thailand, Kazakhstan, Russia, Afghanistan, Venezuela, United Kingdom, Peru, Japan, Netherlands, Iraq, Serbia, Lebanon, Qatar, Trinidad & Tobago, Ghana, Indonesia, Jordan.