Home » SMO 254 Hex Bolt
UNS S31254, 1.3964, Alloy 254, ASTM A193 Alloy 254 Fasteners
UNS S31254, 1.3964, Alloy 254, ASTM A193 SMO 254 Hex Bolt
UNS S31254, 1.3964, Alloy 254, ASTM A193 SMO 254 Hex Cap Screw
UNS S31254, 1.3964, Alloy 254 , ASTM A193 SMO 254 Heavy Hex Bolt
Hex Forge Inc. is the leading manufacturer, supplier, and stockist of high-quality SMO 254 Hex Bolt. This Bolt is available in a variety of specifications. Our ASTM A193 SMO 254 Fasteners are available in various thicknesses, lengths, and sizes to meet the needs of our customers. This Hex Bolt is in limited supply since they have outstanding qualities, and we offer them at competitive prices. SMO 254 Hex Bolt is fracture and corrosion-resistant, robust, flexible, and long-lasting. They may also inhibit abrasion, pitting corrosion, crevice corrosion, and oxidation.
The ASTM A193 SMO 254 Hex Cap Screw is twice as strong as the grade 300 series of Hex Bolt and performs well in high-temperature environments as well as a variety of other volatile circumstances. SMO 254 Hex Bolt is also known as 6 percent Moly due to the presence of molybdenum in its composition. Because it has a better yield and tensile strength than other stainless steel austenitic grades, ASTM A193 SMO 254 Hex Bolt is regarded as a high-end grade of stainless steel Hex Bolt. SMO 254 Hex Bolt is made of chromium, nickel, molybdenum, and a specific nitrogen additive that distinguishes them from conventional stainless-steel Hex Bolt. Hex Forge Inc. guarantees the use of high-quality raw materials, including high-quality alloys, to ensure the outstanding strength and durability of the ASTM A193 SMO 254 Heavy Hex Bolt. While manufacturing our Hex Bolt, we adhere to all national and international industrial rules.
Our Hex Bolt is subjected to extensive and non-destructive testing to ensure they meet functional criteria. Before the Hex Bolt is sent, third-party legal testing and certification are required. Flattening, micro, macro, chemical, and mechanical durability tests are also significant. These tests not only specify our Hex Bolt requirements but also assure the reliability of the SMO 254 Hex Bolt.
Specification : ASTM A193 / ASME SA193
Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length : 3 to 200 mm
Standard : ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards
DIN Standard : B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913
UTS : NPT, UNS, UNF, UNC, UNEF, NPTF
ISO : ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards
Threads : METRIC, BSW, UNC, UNF, BSF or as required
STANDARD | WERKSTOFF NR. | UNS | JIS | SIS | GOST | AFNOR | EN |
SMO 254 | 1.4547 | S31254 | – | 2378 | – | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 |
We Manufacture SMO 254 Hex Bolts As Per International Standards & Specifications. 254 SMO Hex Bolt Manufacturers In India, Custom Sizes SMO 254 Flanged/Tap/Shoulder Hex Bolt Can Be Produced As Per Client Drawing.
Diameter (D) | Thread Lengths (T) | Across the Flats (F) | Body Diameter (D) | Head Height (H) | Across the Corners © | |||||
< 6” | > 6” | MAXIMUM | MINIMUM | MAXIMUM | MINIMUM | MAXIMUM | MINIMUM | MAXIMUM | MINIMUM | |
1 | 2.25 | 2.5 | 1.625 | 1.575 | 1.022 | 0.976 | 0.7 | 0.591 | 1.876 | 1.796 |
1/2 | 1.25 | 1.5 | 0.875 | 0.85 | 0.515 | 0.482 | 0.364 | 0.302 | 1.01 | 0.969 |
2 | 4.25 | 4.5 | 3.125 | 3.025 | 2.039 | 1.964 | 1.388 | 1.175 | 3.608 | 3.449 |
3 | 6.25 | 6. | 4.625 | 4.475 | 3.081 | 2.961 | 2.06 | 1.815 | 5.34 | 5.102 |
3/4 | 1.75 | 2 | 1.25 | 1.212 | 0.768 | 0.729 | 0.524 | 0.455 | 1.443 | 1.383 |
5/8 | 1.5 | 1.75 | 1.062 | 1.031 | 0.642 | 0.605 | 0.444 | 0.378 | 1.227 | 1.175 |
7/8 | 2 | 2.25 | 1.438 | 1.394 | 0.895 | 0.852 | 0.604 | 0.531 | 1.66 | 1.589 |
1 1/2 | 3.25 | 3.5 | 2.375 | 2.3 | 1.531 | 1.47 | 1.036 | 0.902 | 2.742 | 2.622 |
1 1/4 | 2.75 | 3 | 2 | 1.938 | 1.277 | 1.223 | 0.876 | 0.749 | 2.309 | 2.209 |
1 1/8 | 2.5 | 2.75 | 1.812 | 1.756 | 1.149 | 1.098 | 0.78 | 0.658 | 2.093 | 2.002 |
1 3/4 | 3.75 | 4 | 2.75 | 2.662 | 1.785 | 1.716 | 1.196 | 1.054 | 3.175 | 3.035 |
1 3/8 | 3 | 3.25 | 2.188 | 2.119 | 1.404 | 1.345 | 0.94 | 0.81 | 2.526 | 2.416 |
2 1/2 | 5.25 | 5.5 | 3.875 | 3.75 | 2.559 | 2.461 | 1.708 | 1.479 | 4.474 | 4.275 |
2 1/4 | 4.75 | 5 | 3.5 | 3.388 | 2.305 | 2.214 | 1.548 | 1.327 | 4.041 | 3.862 |
2 3/4 | 5.75 | 6 | 4.25 | 4.112 | 2.827 | 2.711 | 1.869 | 1.632 | 4.907 | 4.688 |
NOMINAL SIZE (D) | ACROSS THE FLATS | HEAD THICKNESS | DIAMETER OF BODY | ACROSS Bolt CORNERS | ||||
F (MAXIMUM) | F (MINIMUM) | H (MAXIMUM) | H (MINIMUM) | D (MAXIMUM) | D (MINIMUM) | C (MAXIMUM) | C (MINIMUM) | |
m10 | 17.00 | 15.73 | 6.63 | 6.17 | 10.00 | 9.78 | 18.48 | 17.77 |
m12 | 19.00 | 17.73 | 7.76 | 4.24 | 12.00 | 11.73 | 20.78 | 20.03 |
m14 | 22.00 | 20.67 | 9.09 | 8.51 | 14.00 | 13.73 | 24.25 | 23.35 |
m16 | 24.00 | 23.67 | 10.32 | 9.68 | 16.00 | 15.73 | 27.71 | 26.75 |
m20 | 30.00 | 29.16 | 12.88 | 12.12 | 20.00 | 19.67 | 34.64 | 32.95 |
m24 | 36.00 | 35.00 | 15.44 | 14.56 | 24.00 | 23.67 | 41.57 | 39.55 |
m30 | 46.00 | 45.00 | 19.48 | 17.92 | 30.00 | 29.67 | 53.12 | 50.85 |
m36 | 55.00 | 53.80 | 23.38 | 21.63 | 36.00 | 35.61 | 63.51 | 60.79 |
m42 | 65.00 | 62.90 | 26.97 | 25.03 | 42.00 | 41.38 | 75.06 | 71.71 |
m48 | 75.00 | 72.60 | 31.07 | 28.93 | 48.00 | 47.38 | 86.60 | 82.76 |
m56 | 85.00 | 82.20 | 36.2 | 33.80 | 56.00 | 55.26 | 98.15 | 93.71 |
m64 | 95.00 | 91.80 | 41.32 | 38.68 | 64.00 | 63.26 | 109.70 | 104.65 |
m72 | 105.00 | 101.40 | 46.45 | 43.55 | 72.00 | 71.26 | 121.24 | 115.60 |
m80 | 115.00 | 111.00 | 51.58 | 48.42 | 80.00 | 79.26 | 132.72 | 126.54 |
m90 | 130.00 | 125.50 | 57.74 | 54.26 | 90.00 | 89.13 | 150.11 | 143.07 |
m100 | 145.00 | 140.00 | 63.9 | 60.10 | 90.00 | 99.13 | 167.43 | 159.60 |
Dia Length |
M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 |
30 | 49.1 | |||||||
35 | 53.6 | |||||||
40 | 58.0 | 105 | ||||||
45 | 62.1 | 113 | 188 | |||||
50 | 66.6 | 121 | 200 | 257 | ||||
55 | 71.0 | 129 | 212 | 272 | ||||
60 | 75.4 | 137 | 225 | 286 | 362 | |||
65 | 79.9 | 145 | 237 | 301 | 380 | |||
70 | 84.3 | 153 | 249 | 316 | 398 | 532 | ||
75 | 88.8 | 160 | 262 | 331 | 415 | 554 | 701 | |
80 | 93.2 | 168 | 274 | 346 | 433 | 576 | 728 | |
85 | 97.6 | 176 | 286 | 361 | 451 | 599 | 756 | 1184 |
90 | 102 | 184 | 298 | 375 | 467 | 621 | 784 | 1224 |
95 | 107 | 192 | 310 | 390 | 485 | 644 | 812 | 1264 |
100 | 199 | 322 | 405 | 503 | 665 | 838 | 1304 | |
105 | 207 | 335 | 420 | 520 | 688 | 865 | 1336 | |
110 | 215 | 347 | 435 | 538 | 710 | 893 | 1376 | |
115 | 223 | 359 | 450 | 556 | 732 | 921 | 1415 | |
120 | 231 | 372 | 465 | 574 | 755 | 949 | 1455 | |
125 | 239 | 384 | 479 | 591 | 777 | 976 | 1495 | |
130 | 247 | 396 | 494 | 609 | 800 | 1004 | 1535 | |
135 | 409 | 509 | 627 | 822 | 1032 | 1575 | ||
140 | 421 | 524 | 645 | 845 | 1059 | 1615 | ||
145 | 433 | 539 | 662 | 867 | 1087 | 1655 | ||
150 | 446 | 554 | 680 | 890 | 1115 | 1695 | ||
155 | 458 | 569 | 698 | 912 | 1143 | 1735 | ||
160 | 584 | 716 | 935 | 1170 | 1775 | |||
165 | 599 | 733 | 957 | 1198 | 1815 | |||
170 | 751 | 979 | 1226 | 1855 | ||||
175 | 769 | 1002 | 1254 | 1895 | ||||
180 | 787 | 1024 | 1281 | 1935 | ||||
185 | 804 | 1047 | 1309 | 1974 | ||||
190 | 822 | 1069 | 1337 | 2014 | ||||
195 | 840 | 1092 | 1365 | 2054 | ||||
200 | 1114 | 1392 | 2094 |
Grade | % | Ni | Cr | Mo | Cu | N | C | Mn | Si | P | S |
SMO 254 | Min. | 17.5 | 19.5 | 6 | 0.5 | 0.18 | |||||
Max. | 18.5 | 20.5 | 6.5 | 1 | 0.22 | 0.02 | 1 | 0.8 | 0.03 | 0.01 |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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