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Bolts made of corrosion-resistant stainless steel, ASTM A193 Grade B8 bolts are made especially for applications needing extraordinary strength and longevity in hostile conditions. These bolts are frequently employed in sectors where resistance to chemicals, acids, and high temperatures is essential, such as chemical processing, pharmaceuticals, and food processing. Because austenitic stainless steel grades like 304 or 304L are used in the production of ASTM A193 B8 bolts, superior mechanical and corrosion resistance are guaranteed. In order to fulfil ASTM requirements, these bolts go through extensive testing to guarantee their dependability and performance under tough circumstances. For crucial applications, ASTM A193 Grade B8 bolts offer strong, long-lasting fastening solutions due to their exceptional strength and resistance to corrosion.
Quick Section Links
- ASTM A193 B8 Bolts Specifications
- Dimensions Of ASTM A193 B8 Bolts
- ASTM A193 B8 Bolts Weight Chart
- ASTM A193 B8 Bolts Equivalent Grade
- ASTM A193 B8 Bolts Inventory
- ASTM A193 B8 Stud Bolts Dimensions
- ASTM A193 B8 Bolts Chemical Composition
- ASTM A193 B8 Bolts Mechanical Properties
- Available Stock of ASTM A193 B8 Bolts
- Applications of ASTM A193 B8 Bolts
ASTM A193 B8 Bolts Specifications
| Specification | ASTM A193 / ASME SA193 |
| Dimensions | ASME B18.2.1, B18.3 |
| Size | M02 to M160, Custom Sizes |
| Lengtd | 3 mm to 200 mm |
| tdreads | METRIC, BSW, BSF, UNC, UNF or as required |
| In Form of | Hex, Square, Round, tdreading as per Gauge Etc. |
| Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Surface finishing | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Production process | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| Surface Coating |
All surface finishes offered including Geomet & PTFE, Galvanised, Zinc, Electroless Nickel, Sherardized, Dacromet |
| Packing | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
Dimensions Of ASTM A193 B8 Bolts
| **All measurements in millimeters** | ||||||||
| NOMINAL SIZE (D) | BODY DIAMETER | HEAD tdICKNEASTM A193 | ACROASTM A193 tdE 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 |
“Contact Jade Special Metals today with your requirement for ASTM A193 B8 Bolts. We assure you of the best quote.
ASTM A193 B8 Bolts Weight Chart
| MM tdREADS AS PER IS 1363/67 | ||||||||||
| APPROXIMATE WEIGHT IN KGS FOR 100 NOS | ||||||||||
| LENGtd | DIAMETER | |||||||||
| M 5 | M 6 | M 8 | M 10 | M 12 | M 14 | M 16 | M 18 | M 20 | M 22 | |
| 16 mm | 0.448 | 0.743 | 1.590 | 3.211 | ||||||
| 20 mm | 0.598 | 0.812 | 1.711 | 3.411 | 4.892 | |||||
| 25 mm | 0.660 | 0.897 | 1.871 | 3.660 | 5.252 | 8.170 | ||||
| 30 mm | 0.737 | 1.010 | 2.070 | 3.912 | 5.574 | 9.690 | 10.707 | 18.657 | ||
| 35 mm | 0.804 | 1.120 | 2.271 | 4.223 | 5.974 | 10.000 | 11.416 | 16.026 | 19.608 | |
| 40 mm | 0.881 | 1.230 | 2.470 | 4.533 | 6.410 | 10.288 | 12.107 | 16.667 | 20.747 | |
| 45 mm | 0.958 | 1.340 | 2.671 | 4.840 | 6.859 | 10.504 | 12.821 | 17.241 | 21.739 | |
| 50 mm | 1.030 | 1.450 | 2.870 | 5.155 | 7.299 | 11.261 | 13.624 | 17.857 | 22.727 | 28.409 |
| 55 mm | 1.560 | 3.071 | 5.464 | 7.740 | 11.628 | 14.409 | 18.868 | 23.810 | 30.120 | |
| 60 mm | 1.670 | 3.270 | 5.774 | 8.183 | 12.255 | 15.244 | 20.000 | 25.126 | 32.051 | |
| 65 mm | 1.781 | 3.472 | 6.083 | 8.621 | 12.626 | 16.026 | 21.008 | 26.455 | 34.014 | |
| 70 mm | 1.890 | 3.671 | 6.394 | 9.058 | 12.987 | 16.835 | 22.124 | 27.778 | 35.461 | |
| 75 mm | 2.000 | 3.873 | 6.702 | 9.506 | 13.228 | 17.606 | 23.256 | 29.070 | 39.063 | |
| 80 mm | 2.111 | 4.072 | 7.013 | 10.000 | 13.889 | 18.248 | 24.510 | 30.303 | 40.000 | |
| 90 mm | 4.472 | 7.634 | 10.917 | 14.925 | 19.841 | 26.042 | 33.113 | 41.667 | ||
| 100 mm | 4.873 | 8.251 | 11.820 | 16.340 | 21.459 | 27.778 | 35.714 | 46.296 | ||
| 110 mm | 8.881 | 12.723 | 17.730 | 23.041 | 31.250 | 38.168 | 47.170 | |||
| 120 mm | 9.506 | 13.624 | 18.797 | 24.631 | 32.895 | 40.984 | 50.000 | |||
| 130 mm | 10.101 | 14.535 | 20.000 | 26.316 | 34.722 | 43.478 | 52.632 | |||
| 140 mm | 10.707 | 15.432 | 20.833 | 27.933 | 35.461 | 46.296 | 55.556 | |||
| 150 mm | 11.312 | 16.340 | 22.222 | 29.412 | 37.594 | 48.544 | 58.824 | |||
| 160 mm | 11.905 | 17.241 | 24.272 | 31.056 | 40.984 | 50.505 | 61.728 | |||
| 170 mm | 12.500 | 18.116 | 32.680 | 53.191 | 64.935 | |||||
| 180 mm | 13.123 | 19.011 | 26.882 | 34.247 | 55.556 | 67.568 | ||||
| 190 mm | 13.736 | 19.920 | 35.971 | 58.140 | 70.423 | |||||
| 200 mm | 14.327 | 20.833 | 29.586 | 37.594 | 49.020 | 60.976 | 73.529 | |||
| 220 mm | 15.528 | 22.624 | 40.650 | 65.789 | 79.365 | |||||
| 240 mm | 16.722 | 24.510 | 43.860 | 71.429 | 84.746 | |||||
| 250 mm | 17.301 | 25.381 | 45.455 | 74.627 | 87.719 | |||||
| 260 mm | 17.921 | 26.316 | 47.170 | 76.923 | 90.909 | |||||
| 280 mm | 19.157 | 28.090 | 50.505 | 81.967 | 98.039 | |||||
| 300 mm | 20.325 | 29.940 | 53.763 | 87.719 | 104.167 | |||||
| 320 mm | 31.646 | 56.818 | 92.593 | |||||||
| 340 mm | 33.557 | 60.241 | 98.039 | |||||||
| 360 mm | 35.211 | 63.291 | 104.167 | |||||||
| 380 mm | 37.037 | 66.667 | 108.696 | |||||||
| 400 mm | 39.063 | 69.444 | 113.636 | |||||||
ASTM A193 B8 Bolts Equivalent Grade
| ASTM | A193 Grade B8 | A193 Grade B8T |
| Percentage | % | % |
| C. | 0.08 max. | 0.08 max. |
| Mn. | 2.00 max. | 2.00 max. |
| Si. | 1.00 max. | 1.00 max. |
| P. | 0.045 max. | 0.045 max. |
| S. | 0.030 max. | 0.030 max. |
| Cr. | 18.00—20.00 | 17.00—9.00 |
| Ni. | 8.00—10.50 | 9.00—12.00 |
| Mo. | — | — |
| V. | — | — |
| Ti. | — | 5xC MIN |
| Brinell Hardness | 223 B.H.N. max. | 223 B.H.N. max. |
| Impact Value | Not applicable |
Not applicable |
ASTM A193 B8 Bolts Inventory
ASTM A193 B8 Bolts
ASTM A193 B8 Stud Bolts
ASTM A193 B8 Hex Bolts
ASTM A193 B8 Stud Bolts Dimensions
| 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 |
ASTM A193 B8 Bolts Chemical Composition
| ASTM | A193 Grade B8 | A193 Grade B8T |
| Percentage | % | % |
| C. | 0.08 max. | 0.08 max. |
| Mn. | 2.00 max. | 2.00 max. |
| Si. | 1.00 max. | 1.00 max. |
| P. | 0.045 max. | 0.045 max. |
| S. | 0.030 max. | 0.030 max. |
| Cr. | 18.00—20.00 | 17.00—9.00 |
| Ni. | 8.00—10.50 | 9.00—12.00 |
| Mo. | — | — |
| V. | — | — |
| Ti. | — | 5xC MIN |
| Brinell Hardness | 223 B.H.N. max. | 223 B.H.N. max. |
| Impact Value | Not applicable |
Not applicable |
ASTM A193 B8 Bolts Mechanical Properties
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
Available Stock of ASTM A193 B8 Bolts
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- AISI 4140 Carriage Bolt
- ASME SA 193 B8 SS J-Bolts
- AISI 4140 ASTM A193 B8 Self locking Bolts
- ASME SA 193 B8 Hex Domed Cap Nuts
- ASME SA 193 B8 Castle Bolts
- ASTM A193 B8 Foundation Bolts
- ASTM A193 B8 SS Step Bolt
- ASTM A193 B8 Lag Bolt
- Stainless Steel B8 Shoulder Bolt
- ASTM A193 B8 SS Hex Head Bolt
- ASTM A193 B8 Stud Bolts
- ASTM A193 B8 Stove Bolt
- ASTM A193 B8 Serrated Flange Bolts
- ASME SA 193 B8 Anchor Bolts
- Stainless Steel B8 Mushroom Head Square Neck Bolts
- ASTM A193 B8 T-Head Bolts
- ASME SA 193 B8 Eye Bolt
- ASTM A193 B8 U Bolt
- ASTM A193 B8 Hex Head Bolts
- ASME SA 193 B8 Round Head Bolts
- ASTM A193 B8 Counter sunk Bolt
- ASTM A193 B8 Structural Bolts
- Stainless Steel B8 Stud Bolts
- ASME SA 193 B8 Nylon Insert Bolts
- ASTM A193 B8 Hex Bolt
Applications of ASTM A193 B8 Bolts
- Pipeline Engineering
- Marine Industry
- Chemical Industry
- Oil & gas industry
- Mechanical Engineering
- Plant Engineering
- Petrochemical Industry
- Power Industry
- Aerospace
- Food Processing Industry
We maintain ready stock of Stainless Steel ASME SA193 B8 Head Bolts, ASTM A193 B8 Draw Bolts, ASTM A193 B8 Hex Head Bolt, Stainless Steel ASME SA193 B8 Head Bolts, ASTM A193 B8 Square Head Bolts. Get in touch with us with your requirement for quick quote.
