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High-quality, corrosion-resistant stainless steel fasteners designed for applications requiring great performance in challenging conditions are ASTM A193 Grade B8M bolts. These bolts find widespread application in sectors such as offshore oil and gas, maritime, and chemical processing, where high temperature and corrosion resistance are critical requirements. The ASTM A193 B8M bolts are made of austenitic stainless steel grades such as 316 or 316L, and they have exceptional mechanical strength and resistance to corrosion. They go through rigorous testing to ensure durability and dependability in harsh environments and to fulfil ASTM standards. For important applications, ASTM A193 Grade B8M bolts offer reliable and durable fastening solutions due to their remarkable resilience to corrosion and strength.
Quick Section Links
- ASTM A193 B8M Bolts Specifications
- Dimensions Of ASTM A193 B8M Bolts
- ASTM A193 B8M Bolts Weight Chart
- ASTM A193 B8M Bolts Equivalent Grade
- ASTM A193 B8M Bolts Inventory
- ASTM A193 B8M Stud Bolts Dimensions
- ASTM A193 B8M Bolts Chemical Composition
- ASTM A193 B8M Bolts Mechanical Properties
- Available Stock of ASTM A193 B8M Bolts
- Applications of ASTM A193 B8M Bolts
ASTM A193 B8M 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 B8M 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 B8M Bolts. We assure you of the best quote.
ASTM A193 B8M 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 B8M Bolts Equivalent Grade
| Grade | Raw Material Description |
| B8M | A193 B8M: Class 1 Stainless Steel, AISI 316 |
ASTM A193 B8M Bolts Inventory
ASTM A193 B8M Bolts
ASTM A193 B8M Stud Bolts
ASTM A193 B8M Hex Bolts
ASTM A193 B8M 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 B8M Bolts Chemical Composition
| Element | B8M |
| Carbon | 0.08% max |
| Manganese | 2.00% max |
| Phosphorus, max | 0.045% |
| Sulfur, max | 0.030% |
| Silicon | 1.00% max |
| Chromium | 16.0 – 18.0% |
| Nickel | 10.0 – 14.0% |
| Molybdenum | 2.00 – 3.00% |
ASTM A193 B8M Bolts Mechanical Properties
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min | HBW | HRC |
| B8M Class 1 | All | 75 | 30 | 30 | 50 | 223 max | 96 max |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 | 321 max | 35 max |
| 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 B8M Bolts
- ASME SA 193 B8M Hex Domed Cap Nuts
- ASME SA 193 B8M SS J-Bolts
- ASTM A193 B8M Locking Bolts
- ASTM A193 B8M Foundation Bolts
- ASME SA 193 B8M Castle Bolts
- AISI 4140 Carriage Bolt
- ASTM A193 B8M SS Hex Head Bolt
- AISI 4140 ASTM A193 B8M Self locking Bolts
- ASTM A193 B8M SS Step Bolt
- ASME SA 193 B8M Eye Bolt
- ASTM A193 B8M SS Elevator Bolt
- ASTM A193 B8M Stud Bolts
- Stainless Steel B8M Shoulder Bolt
- ASTM A193 B8M Lag Bolt
- ASME SA 193 B8M Nylon Insert Bolts
- ASTM A193 B8M Structural Bolts
- ASTM A193 B8M U Bolt
- Stainless Steel B8M Stud Bolts
- ASME SA 193 B8M Round Head Bolts
- ASME SA 193 B8M Anchor Bolts
- ASTM A193 B8M T-Head Bolts
- ASTM A193 B8M Serrated Flange Bolts
- Stainless Steel B8M Mushroom Head Square Neck Bolts
- ASTM A193 B8M Counter sunk Bolt
- ASTM A193 B8M Hex Head Bolts
- ASTM A193 B8M Hex Bolt
- ASTM A193 B8M Stove Bolt
Applications of ASTM A193 B8M 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 B8M Head Bolts, ASTM A193 B8M Draw Bolts, ASTM A193 B8M Hex Head Bolt, Stainless Steel ASME SA193 B8M Head Bolts, ASTM A193 B8M Square Head Bolts. Get in touch with us with your requirement for quick quote.