Grade 904L is considered to be ideal for applications that deal with reductive environments. In particular, this alloy was developed to withstand the effects of corrosion by sulfuric acid. With its highly corrosive nature, sulfuric acid tends to decay ordinary alloys, making them unsuitable for processing. And since sulfuric acid is used to process several raw materials, using an apt material such as the 904L Stainless Steel Bolts Nuts to fasten the equipment is a must.
The content of copper in combination with nickel and chromium impart resistance to sulfuric acid. The chemical composition is why grade 904L can withstand processing industries where sulfuric acid is used at different concentrations. The chemical composition of the 904l stainless steel bolts contains commodity metals like copper, nickel, and expensive elements like molybdenum, making it costly amongst other stainless steel alloys. However, its high cost is justified by the pitting resistance this material offers. The pitting resistance of a material is derived from its value, which in this case stands at 40. Therefore, in industries where pitting is prevalent, the Stainless Steel 904L Stud Bolt is considered to be an ideal component for fastening various pieces of equipment. A super austenitic stainless steel alloy, the content of carbon here is low. Low carbon stainless steel grades such as the DIN 1.4539 Threaded Rod are considered to have good weldability, especially since they discourage the formation of carbide precipitates, which in turn result in intergranular corrosion. While the inclusion of 5% molybdenum is what gives this material resistance to pitting, the corrosion resistance against nitric acid is significantly lower due to molybdenum. In fact, the resistance to nitric acid for both grades 304 as well as grade 310 tends to be much higher than AISI 904L Hex Head Bolt, as they are devoid of molybdenum.
| Specifications | ASTM A193 / A193, ASME SA193 / SA194 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Washers Size | M3 - M56 3/6" to 2" |
| Machine Screws Size | M1.6 - M12 |
| Nuts Size | M3 - M56 3/6" to 2" |
| Bolt / Screw Size | M3 - M56 3/6" to 2" |
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| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 904L | min. | – | – | – | – | – | 19.0 | 4.00 | 23.00 | 0.10 |
| max. | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 5.00 | 28.00 | 0.25 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 904L | 490 | 220 | 35 | 70-90 typical | – |
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 904L | N08904 | 904S13 | X1NiCrMoCu25-20-5 | 1.4539 | – | – | SUS 890L |
| Nut Size (mm) |
Diameter* (mm) |
Height (mm) |
||
|---|---|---|---|---|
| Hex Nut | Jam Nut | Nylock Nut | ||
| 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 |
| Diameter | Diameter in mm | Diameter in inch | Nut Sizes |
|---|---|---|---|
| M12 | 12 | 0.4724 | 19 |
| M10 | 10 | 0.3937 | 17 |
| M14 | 14 | 0.5512 | 22 |
| M18 | 18 | 0.7087 | 27 |
| M16 | 16 | 0.6299 | 24 |
| M20 | 20 | 0.7874 | 30 |
| M24 | 24 | 0.9449 | 36 |
| M22 | 22 | 0.8661 | 32 |
| M27 | 27 | 1.063 | 41 |
| M33 | 33 | 1.2992 | 50 |
| M30 | 30 | 1.1811 | 46 |
| M36 | 36 | 1.4173 | 55 |
| M42 | 42 | 1.6535 | 65 |
| M39 | 39 | 1.5354 | 60 |
| M45 | 45 | 1.7717 | 70 |
| M52 | 52 | 2.0472 | 80 |
| M48 | 48 | 1.8898 | 75 |
| M56 | 56 | 2.2047 | 85 |
| M64 | 64 | 2.5197 | 95 |
| M60 | 60 | 2.3622 | 90 |
| M68 | 68 | 2.6772 | 100 |
| M76 | 76 | 2.9921 | 110 |
| M72 | 72 | 2.8346 | 105 |
| M80 | 80 | 3.1496 | 115 |
| M90 | 90 | 3.5433 | 130 |
| M85 | 85 | 3.3464 | 120 |
| M100 | 100 | 3.937 | 145 |
| M160 | 160 | 6.2992 | 230 |
| M125 | 125 | 4.9212 | 180 |
| M110 | 110 | 4.3307 | 155 |
| M140 | 140 | 5.5118 | 200 |
| Diameter | Torque Feet/Lbs | ||
| 30% | 70% | 100% | |
| 9/16 | 23 | 53 | 75 |
| 1/2 | 16 | 36 | 52 |
| 5/8 | 31 | 73 | 104 |
| 7/8 | 71 | 166 | 237 |
| 3/4 | 55 | 129 | 184 |
| 1 | 107 | 249 | 356 |
| 1.1/4 | 179 | 417 | 596 |
| 1.1/8 | 127 | 297 | 424 |
| 1.3/8 | 186 | 435 | 622 |
| 1.9/16 | 168 | 392 | 560 |
| 1.1/2 | 246 | 574 | 821 |
| 1.5/8 | 191 | 445 | 636 |
| 1.7/8 | 298 | 696 | 994 |
| 1.3/4 | 240 | 561 | 801 |
| 2 | 366 | 853 | 1219 |
| 3 | 1289 | 3008 | 4297 |
| 2.1/2 | 733 | 1709 | 2442 |
| 2.1/4 | 529 | 1234 | 1762 |
| 2.3/4 | 986 | 2300 | 3285 |
| NOMINAL SIZE (D) | BODY DIAMETER | HEAD THICKNEASTM A193 | ACROASTM A193 THE FLATS | ACROASTM A193 CORNERS | ||||
|---|---|---|---|---|---|---|---|---|
| D (MAX) | D (MIN) | H (MAX) | H (MIN) | F (MAX) | F (MIN) | C (MAX) | C (MIN) | |
| m10 | 10.00 | 9.78 | 6.63 | 6.17 | 17.00 | 15.73 | 18.48 | 17.77 |
| m12 | 12.00 | 11.73 | 7.76 | 4.24 | 19.00 | 17.73 | 20.78 | 20.03 |
| m14 | 14.00 | 13.73 | 9.09 | 8.51 | 22.00 | 20.67 | 24.25 | 23.35 |
| m16 | 16.00 | 15.73 | 10.32 | 9.68 | 24.00 | 23.67 | 27.71 | 26.75 |
| m20 | 20.00 | 19.67 | 12.88 | 12.12 | 30.00 | 29.16 | 34.64 | 32.95 |
| m24 | 24.00 | 23.67 | 15.44 | 14.56 | 36.00 | 35.00 | 41.57 | 39.55 |
| m30 | 30.00 | 29.67 | 19.48 | 17.92 | 46.00 | 45.00 | 53.12 | 50.85 |
| m36 | 36.00 | 35.61 | 23.38 | 21.63 | 55.00 | 53.80 | 63.51 | 60.79 |
| m42 | 42.00 | 41.38 | 26.97 | 25.03 | 65.00 | 62.90 | 75.06 | 71.71 |
| m48 | 48.00 | 47.38 | 31.07 | 28.93 | 75.00 | 72.60 | 86.60 | 82.76 |
| m56 | 56.00 | 55.26 | 36.2 | 33.80 | 85.00 | 82.20 | 98.15 | 93.71 |
| m64 | 64.00 | 63.26 | 41.32 | 38.68 | 95.00 | 91.80 | 109.70 | 104.65 |
| m72 | 72.00 | 71.26 | 46.45 | 43.55 | 105.00 | 101.40 | 121.24 | 115.60 |
| m80 | 80.00 | 79.26 | 51.58 | 48.42 | 115.00 | 111.00 | 132.72 | 126.54 |
| m90 | 90.00 | 89.13 | 57.74 | 54.26 | 130.00 | 125.50 | 150.11 | 143.07 |
| m100 | 90.00 | 99.13 | 63.9 | 60.10 | 145.00 | 140.00 | 167.43 | 159.60 |
| Bolt Size | USS | SAE | ||||
| OD (in.) | ID (in.) | Thickness | OD (in.) | ID (in.) | Thickness | |
| 1/8 (#6) | - | - | - | 0.375 | 0.156 | .036/.065 |
| 5/32 (#8) | - | - | - | 0.438 | 0.188 | .036/.065 |
| 3/16 (#10) | 0.560 | 0.250 | .036/.065 | 0.500 | 0.220 | .036/.065 |
| 7/32 (#12) | - | - | - | 0.562 | 0.250 | .051/.080 |
| 1/4 (#14) | 0.734 | 0.312 | .051/.080 | 0.625 | 0.281 | .051/.080 |
| 5/16 | 0.875 | 0.375 | .064/.104 | 0.688 | 0.344 | .051/.080 |
| 3/8 | 1.000 | 0.438 | .064/.104 | 0.812 | 0.406 | .051/.080 |
| 7/16 | 1.250 | 0.500 | .064/.104 | 0.922 | 0.469 | .051/.080 |
| 1/2 | 1.375 | 0.562 | .086/.132 | 1.062 | 0.531 | .074/.121 |
| 9/16 | 1.469 | 0.625 | .086/.132 | 1.156 | 0.594 | .074/.121 |
| 5/8 | 1.750 | 0.688 | .108/.160 | 1.312 | 0.656 | .074/.121 |
| 3/4 | 2.000 | 0.812 | .122/.177 | 1.469 | 0.812 | .108/.160 |
| 7/8 | 2.250 | 0.938 | .136/.192 | 1.750 | 0.938 | .108/.160 |
| 1 | 2.500 | 1.062 | .136/.192 | 2.000 | 1.062 | .108/.160 |
| 1 1/8 | 2.750 | 1.250 | .136/.192 | 2.250 | 1.250 | .108/.160 |
| 1 1/4 | 3.000 | 1.375 | .136/.192 | 2.500 | 1.375 | .136/.192 |
| 1 3/8 | 3.250 | 1.500 | .153/.213 | 2.750 | 1.500 | .136/.213 |
| 1 1/2 | 3.500 | 1.625 | .153/.213 | 3.000 | 1.625 | .153/.213 |
| 1 5/8 | 3.750 | 1.750 | .153/.213 | - | - | - |
| 1 3/4 | 4.000 | 1.875 | .153/.213 | - | - | - |
| 1 7/8 | 4.250 | 2.000 | .153/.213 | - | - | - |
| 2 | 4.500 | 2.125 | .153/.213 | - | - | - |
| 2 1/4 | 4.750 | 2.375 | .320/.248 | - | - | - |
| 2 1/2 | 5.000 | 2.625 | .210/.280 | - | - | - |
| 2 3/4 | 5.250 | 2.875 | .228/.410S | - | - | - |
| 3 | 5.500 | 3.125 | .249/.327 | - | - | - |
We are well known 904l Stainless Steel Fasteners Manufacturers In India, We provide following services to our customers
| Sizes | Weight per Metre | Size (UNC) | Weight per Meter |
|---|---|---|---|
| M2 | 0.0187 | ||
| M2.5 | 0.030 | ||
| M3 | 0.044 | ||
| M3.5 | 0.060 | ||
| M4 | 0.078 | ||
| M5 | 0.124 | ||
| M6 | 0.177 | ¼ | 0.194 |
| M8 | 0.319 | 5/16 | 0.323 |
| M10 | 0.500 | 3/8 | 0.469 |
| 7/16 | 0.650 | ||
| M12 | 0.725 | ½ | 0.896 |
| M14 | 0.970 | 9/16 | 1.096 |
| M16 | 1.330 | 5/8 | 1.342 |
| M18 | 1.650 | ||
| M20 | 2.080 | ¾ | 2.021 |
| M22 | 2.540 | 7/8 | 2.756 |
| M24 | 3.000 | 1 | 3.638 |
| M27 | 3.850 | 1 1/8 | 4.545 |
| M30 | 4.750 | 1 ¼ | 5.718 |
| M33 | 5.900 | 1 3/8 | 6.842 |
| M36 | 6.900 | 1 ½ | 8.281 |
| M39 | 8.200 | 1 5/8 | 9.726 |
| M42 | 9.400 | 1 ¾ | 11.231 |
| M45 | 11.000 | 1 7/8 | 13.038 |
| M48 | 12.400 | 2 | 14.741 |