Stainless Steel ASTM A193 B8C Bolts
ASTM A193 B8C Socket Hexagon Head Screw Anchor Bolt, ASTM A193 B8C Hex Head Bolt, ASTM A193 B8C Hex Head Bolt, ASTM A193 B8C Countersunk Bolt Suppliers in India.
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Stainless Steel ASTM A193 B8C Bolts Specification
| Grade Specification | ASTM A193 B8C |
|---|---|
| SS ASTM A193 B8C Bolt size | M02 to M160, Custom Sizes |
| SS ASTM A193 B8C Bolts Length | 3 mm to 200 mm |
| SS ASTM A193 B8C Bolt | UNF, BSW, BSF, METRIC, UNC, or as required |
| Standard of SS ASTM A193 B8C Bolts | IS1364, ISO 4014, ISO 4017, DIN 933, DIN 931, BS 1083, BS 1768, ASME B18.2.1, JIS B1180, DIN 558, ISO 4018, DIN-EN14399-4, DIN 601, ISO 4016, CSN 21301, EU 24016, DIN 7968, DIN7990, ASME B18.2.1, B18.5 |
| Form of SS ASTM A193 B8C Bolts | Hex, Threading, Square, Round as per Gauge Etc. |
| Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin, etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Popular Types of Bolts | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts etc. |
| SS ASTM A193 B8C Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate of Bolts | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production process | M24-M100: hot forging, M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Head drive of Bolts | Six-Lobe,Phillips,Phillips/Slot, Slotted etc |
| Packing of Bolts | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Ptfe Coated Bolts Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| SS ASTM A193 B8C Bolts finishing | Coatings & Finishes : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide, |
Stainless Steel ASTM A193 B8C Bolts Equivalent Grades
| Grade | Tensile Class | Raw Material Description |
| B8C | Class 1 | AISI 347 Stainless Steel, Carbide Solution Treated |
| B8C | Class 2 | AISI 347 Stainless Steel, Carbide Solution Treated and Strained Hardened |
Chemical Composition of SS ASTM A193 B8C Bolts
| Element | B8C |
| Carbon | 0 – 0.08% |
| Manganese | 0 – 2.00% |
| Phosphorus, max | 0 – 0.045% |
| Sulfur, max | 0 – 0.030% |
| Silicon | 0 – 1.0% |
| Chromium | 19.0 – 9.0% |
| Nickel | 12.0 – 0% |
| Molybdenum | – |
Mechanical Properties of SS ASTM A193 B8C Bolts
| Grade | Diameter | Tensile Strength | Yield Strength | Elongation | Reduction | Hardness |
|---|---|---|---|---|---|---|
| Grade B8C | M20 and under | 860 | 690 | 12 | 35 | 321 HBW or 35 HRC |
| Grade B8C | M20 to M24, inclusive | 690 | 550 | 20 | 45 | 321 HBW or 35 HRC |
| Grade B8C | M24 to M30, inclusive | 655 | 450 | 25 | 45 | 321 HBW or 35 HRC |
| Grade B8C | M30 to M36, inclusive | 620 | 345 | 30 | 45 | 321 HBW or 35 HRC |
Physical Properties of SS ASTM A193 B8C Bolts
| Dia | Minimum Temperature ° F (°C) | Tensile Strength min, ksi ( MPa) | Yield Strength. min, 0.2% offset, Ksi ( MPa) | Elongation in 4D min % | Reduction of Area min % | Hardness max |
|---|---|---|---|---|---|---|
| 2 1/2″ and under | 1200(650) | 125(860) | 105(725) | 18 | 50 | 321HB or 35 HRC |
| over 21/2″ to 4″ | 1200(650) | 110(760) | 95(655) | 17 | 45 | 302HB or 33 HRC |
| over 4″ to 7″ | 1200(650 ) | 100(690) | 85(586) | 16 | 45 | 227HB or 29 HRC |
Types of Stainless Steel ASTM A193 B8C Bolts
Stainless Steel ASTM A193 B8C Hex Bolts
Stainless Steel ASTM A193 B8C Allen Cap Bolts
Stainless Steel ASTM A193 B8C Hollow Allen Bolts
Stainless Steel ASTM A193 B8C T Bolts
Stainless Steel ASTM A193 B8C Tap End Stud Bolts
Stainless Steel ASTM A193 B8C Double End Stud Bolt
Stainless Steel ASTM A193 B8C Fully Threaded Stud Bolts
Stainless Steel ASTM A193 B8C Anchor Bolts
Stainless Steel ASTM A193 B8C J Bolts
Stainless Steel ASTM A193 B8C U Bolts
Stainless Steel ASTM A193 B8C Square Bolts
Stainless Steel ASTM A193 B8C Carriage Bolts
Stainless Steel ASTM A193 B8C Long Eye Bolts
Stainless Steel ASTM A193 B8C Shoulder Bolt
SS ASTM A193 B8C Bolts Forms & Availability
| Products | Size | |
|---|---|---|
| Stainless Steel ASTM A193 B8C Heavy Hex Bolts | Stainless Steel ASTM A193 B8C Hollow Hex Bolts | M 02 to M 160, Custom Sizes |
| Stainless Steel ASTM A193 B8C Hollow Allen Bolts | Stainless Steel ASTM A193 B8C Machine Bolts | |
| Stainless Steel ASTM A193 B8C Socket Head Bolts | Stainless Steel ASTM A193 B8C Hex Flange Bolts | |
| Stainless Steel ASTM A193 B8C Eye Bolts | Stainless Steel ASTM A193 B8C Lag Bolts | |
| Stainless Steel ASTM A193 B8C J Bolts | Stainless Steel ASTM A193 B8C U Bolts | |
| Stainless Steel ASTM A193 B8C Shoulder Bolts | Stainless Steel ASTM A193 B8C Elevator Bolts | |
| Stainless Steel ASTM A193 B8C Hanger Bolts | Stainless Steel ASTM A193 B8C Allen Bolts | |
ANSI And/Or ASME Standards Bolts (Inch Series)
| Description | Standard | Measurement System |
|---|---|---|
| Square & Hex Head Bolts | ANSI/ASME B18.2.1 | Inch Series |
| Hex Head Bolts | ANSI/ASME B18.2.3.5M | Metric |
| Heavy Hex Bolts | ANSI/ASME B18.2.3.6M | Metric |
| Heavy Hex Structural Bolts | ANSI/ASME B18.2.3.7M | Metric |
| Square Head Bolts | ANSI/ASME B18.2.3.10M | Metric |
| Round Head Bolts | ANSI/ASME B18.5 | Inch Series |
| Round Head Short Square Neck Bolts | ANSI/ASME B18.5.2.1M | Metric |
| Round Head Square Neck Bolts | ANSI/ASME B18.5.2.2M | Metric |
| Round Head Square Neck Bolts With Large Head | ANSI/ASME B18.5.2.3M | Metric |
| Track Bolts | ANSI/ASME B18.10 | Inch Series |
| Forged Eye Bolts | ANSI/ASME B18.15 | Inch Series |
| Lifting Eye Bolts | ANSI/ASME B18.15M | Metric |
| Hex Head Bolts | DIN 931 | Metric |
| Heavy Hex Bolts | DIN 6914 | Metric |
| Countersunk Square Head Bolts With Short Neck | DIN 608 | Metric |
| Lifting Eye Bolts (Type A) | DIN 444A | Metric |
| Lifting Eye Bolts (Type B) | DIN 444B | Metric |
| Square Head Bolts With Collar | DIN 478 | Metric |
| Forged Lifting Eyes/Eye Bolts | DIN 580 | Metric |
| Carriage Bolts | DIN 603 | Metric |
| Flat Countersunk Nib Bolts | DIN 604 | Metric |
| Carriage Bolts | DIN 607 | Metric |
| U Bolts | DIN 3570 | Metric |
| Hex Flange Bolts | DIN 6921 | Metric |
| Plough Bolts with 2 Nibs | DIN 11014 | Metric |
| Hex Head Bolts with Shank | ISO 4014 | Metric |
| Hex Head Bolts with Nuts | ISO 4016 | Metric |
| Full Thread Hex Head Bolts | ISO 4017 | Metric |
| Hex Flange Bolts | ISO 4162 | Metric |
| Hex Flange Bolts | ISO 8100 | Metric |
| Hex Bolt With Flange | ISO 8102 | Metric |
| Hex Flange Bolts | ISO 15071 | Metric |
| Mushroom Head Square Neck Bolts | ISO 8677 | Metric |
| Fine Threaded Hex Head Bolts | ISO 8765 | Metric |
| Hex Head Bolts | IS 1363 Part 1 | Metric |
| Hex Head Bolts | IS 1363 Part 2 | Metric |
| Hex Head Bolts | IS 1364 Part 1 | Metric |
| Hex Head Bolts For Structural Joints | IS 6639 | Metric |
| Hex Head Transmission Tower Bolts | IS 12427 | Metric |
| Hexagon Flange Bolts | IS 15582 | Metric |
Property Class
| For Bolts & Screws | A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H |
| For Nuts | A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040 |
| For SHCS | F837B, F837C, F837E, F837 |
| For Threaded Rods | A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2 |
SS ASTM A193 B8C Bolts Dimensions
| **All measurements in millimeters** | ||||||||
|---|---|---|---|---|---|---|---|---|
| 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 |
SS ASTM A193 B8C Bolts Torque Chart
| Torque Specifications | ||||||
|---|---|---|---|---|---|---|
| Bolt Size Inches or # | Threads Per Inch | Standard Dry Torque in Inch-Pounds | ||||
| ASTM A193 B8C Stainless Steel | ||||||
| #2 | 56 | 2.5 | ||||
| 64 | 3.0 | |||||
| #3 | 48 | 3.9 | ||||
| 56 | 4.4 | |||||
| #4 | 40 | 5.2 | ||||
| 48 | 6.6 | |||||
| #5 | 40 | 7.7 | ||||
| 44 | 9.4 | |||||
| #6 | 32 | 9.6 | ||||
| 40 | 12.1 | |||||
| #8 | 32 | 19.8 | ||||
| 36 | 22.0 | |||||
| #10 | 24 | 22.8 | ||||
| 32 | 31.7 | |||||
| 1/4 | 20 | 75.2 | ||||
| 28 | 94.0 | |||||
| 5/16 | 18 | 132 | ||||
| 24 | 142 | |||||
| 3/8 | 16 | 236 | ||||
| 24 | 259 | |||||
| 7/16 | 14 | 376 | ||||
| 20 | 400 | |||||
| 1/2 | 13 | 517 | ||||
| 20 | 541 | |||||
| 9/16 | 12 | 682 | ||||
| 18 | 752 | |||||
| 5/8 | 11 | 1110 | ||||
| 18 | 1244 | |||||
| 3/4 | 10 | 1530 | ||||
| 16 | 1490 | |||||
| 7/8 | 9 | 2328 | ||||
| 14 | 2318 | |||||
| 1 | 8 | 3440 | ||||
| 14 | 3110 | |||||
| 1 1/8 | 7 | 413 | ||||
| 12 | 390 | |||||
| 1 1/4 | 7 | 523 | ||||
| 12 | 480 | |||||
| 1 1/2 | 6 | 888 | ||||
| 12 | 703 | |||||
Stainless Steel ASTM A193 B8C Bolts Sizes
| Stainless Steel ASTM A193 B8C Bolts size chart | Stainless Steel ASTM A193 B8C Bolts size guide | Stainless Steel ASTM A193 B8C Bolts dimensions |
|---|---|---|
| 3/8″-16 x 1″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts | 1/2″-13 x 1-1/2″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts | 1/4″-20 x 1″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts |
| 3/8″-16 x 1-1/4″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts | 3/8″-16 x 1-1/2″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts | 1/4″-20 x 3/4″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts |
| 1/2″-13 x 2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8C Bolts | 1/2″-13 x 2″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts | 1/2″-13 x 1-1/2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8C Bolts |
| 5/8″-11 x 2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8C Bolts | 1/4″-20 x 3/4″ Grade 18-8 Stainless Steel Stainless Steel ASTM A193 B8C Bolts | 5/16″-18 x 1″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts |
| 3/8″-16 x 1″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8C Bolts | 3/8″-16 x 1″ Grade 18-8 Stainless Steel Stainless Steel ASTM A193 B8C Bolts | 3/8″-16 x 1-1/2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8C Bolts |
| 1/4″-20 x 1″ Grade 18-8 Stainless Steel Stainless Steel ASTM A193 B8C Bolts | 5/8″-11 x 2″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts | 5/8″-11 x 2-1/2″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8C Bolts |
| 3/8″-16 x 2″ Grade 5 Finish Stainless Steel ASTM A193 B8C Bolts | 3/8″-16 x 1-1/4″ Grade 8 Yellow Finish Stainless Steel ASTM A193 B8C Bolts |
ASTM A193 B8C Stainless Steel Bolts Weight Chart
| MM THREADS AS PER IS 1363/67 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| APPROXIMATE WEIGHT IN KGS FOR 100 NOS | ||||||||||
| LENGTH | 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 B8C Stud Bolt Size Chart
| Class 150 Flanges ASME B8C.5 (Stud bolt sizes) | Length of Stud Bolts | |||||||
|---|---|---|---|---|---|---|---|---|
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 1/2 | 2 3/8 | 5/8 | 4 | 1/2 | 2 1/4 | – | |
| 3/4 | 3 7/8 | 2 3/4 | 5/8 | 4 | 1/2 | 2 1/2 | – | |
| 1 | 4 1/4 | 3 1/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 1 1/4 | 4 5/8 | 3 1/2 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 1 1/2 | 5 | 3 7/8 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 2 | 6 | 4 3/4 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 2 1/2 | 7 | 5 1/2 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 | 7 1/2 | 6 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 1/2 | 8 1/2 | 7 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 4 | 9 | 7 1/2 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 5 | 10 | 8 1/2 | 7/8 | 8 | 3/4 | 3 3/4 | 4 1/4 | |
| 6 | 11 | 9 1/2 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 8 | 13 1/2 | 11 3/4 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 10 | 16 | 14 3/4 | 1 | 12 | 7/8 | 4 1/2 | 5 | |
| 12 | 19 | 17 | 1 | 12 | 7/8 | 4 3/4 | 5 1/4 | |
| 14 | 21 | 18 3/4 | 1 1/8 | 12 | 1 | 5 1/4 | 5 3/4 | |
| 16 | 23 1/2 | 21 1/4 | 1 1/8 | 16 | 1 | 5 1/4 | 5 3/4 | |
| 18 | 25 | 22 3/4 | 1 1/4 | 16 | 1 1/8 | 5 3/4 | 6 1/4 | |
| 20 | 27 1/2 | 25 | 1 1/4 | 20 | 1 1/8 | 6 1/4 | 6 3/4 | |
| 24 | 32 | 29 1/2 | 1 1/4 | 20 | 1 1/4 | 6 3/4 | 7 1/4 | |
| Class 300 Flanges ASME B8C.5 | Length of Stud Bolts | |||||||
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 3/4 | 2 5/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 3/4 | 4 5/8 | 3 1/4 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 | 4 7/8 | 3 1/2 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 1/4 | 5 1/4 | 3 7/8 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 1 1/2 | 6 1/8 | 4 1/2 | 7/8 | 4 | 3/4 | 3 1/2 | 4 | |
| 2 | 6 1/2 | 5 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 2 1/2 | 7 1/2 | 5 7/8 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 3 | 8 1/4 | 6 5/8 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 3 1/2 | 9 | 7 1/4 | 7/8 | 8 | 3/4 | 4 1/4 | 5 | |
| 4 | 10 | 7 7/8 | 7/8 | 8 | 3/4 | 4 1/2 | 5 | |
| 5 | 11 | 9 1/4 | 7/8 | 8 | 3/4 | 4 3/4 | 5 1/4 | |
| 6 | 12 1/2 | 10 5/8 | 7/8 | 12 | 3/4 | 4 3/4 | 5 1/2 | |
| 8 | 15 | 13 | 1 | 12 | 7/8 | 5 1/2 | 6 | |
| 10 | 17 1/2 | 15 1/4 | 1 1/8 | 16 | 1 | 6 1/4 | 6 3/4 | |
| 12 | 20 1/2 | 17 3/4 | 1 1/4 | 16 | 1 1/8 | 6 3/4 | 7 1/4 | |
| 14 | 23 | 20 1/4 | 1 1/4 | 20 | 1 1/8 | 7 | 7 1/2 | |
| 16 | 25 1/2 | 22 1/2 | 1 3/8 | 20 | 1 1/4 | 7 1/2 | 8 | |
| 18 | 28 | 24 3/4 | 1 3/8 | 24 | 1 1/4 | 7 3/4 | 8 1/4 | |
| 20 | 30 1/2 | 27 | 1 3/8 | 24 | 1 1/4 | 8 | 8 3/4 | |
| 24 | 36 | 32 | 1 5/8 | 24 | 1 1/2 | 9 | 10 | |
ASTM A193 B8C Stud Bolt Torque Chart
| Flange Size |
B8C.5 Class 150 RF/ Ring Gaskets | B8C.5 Class 150 FF/ Full Face Gaskets | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Torque / Round (ft-lbs) | Stud Bolts Tighten Sequence | Torque / Round (ft-lbs) | Stud Bolts Tighten Sequence | |||||||
| 1st | 2nd | Final | Dwg/No. | Bolt Size | 1st | 2nd | Final | Dwg*/No. | Bolt Size | |
| 1/2″ | 10 | 20 | 30 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 3/4″ | 13 | 27 | 40 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 1″ | 15 | 30 | 50 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 1-1/4″ | 20 | 40 | 60 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 1-1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ | 20 | 40 | 60 | 4-bolt | 1/2″ |
| 2″ | 40 | 80 | 120 | 4-bolt | 5/8″ | 40 | 80 | 120 | 4-bolt | 5/8″ |
| 2-1/2″ | 40 | 80 | 120 | 4-bolt | 5/8″ | 40 | 80 | 120 | 4-bolt | 5/8″ |
| 3″ | 40 | 80 | 120 | 4-bolt | 5/8″ | 40 | 80 | 120 | 4-bolt | 5/8″ |
| 3-1/2″ | 40 | 80 | 120 | 8-bolt | 5/8″ | 40 | 80 | 120 | 8-bolt | 5/8″ |
| 4″ | 40 | 80 | 120 | 8-bolt | 5/8″ | 40 | 80 | 120 | 8-bolt | 5/8″ |
| 5″ | 60 | 120 | 200 | 8-bolt | 3/4″ | 60 | 120 | 200 | 8-bolt | 3/4″ |
| 6″ | 60 | 120 | 200 | 8-bolt | 3/4″ | 60 | 120 | 200 | 8-bolt | 3/4″ |
| 8″ | 60 | 120 | 200 | 8-bolt | 3/4″ | 60 | 120 | 200 | 8-bolt | 3/4″ |
| 10″ | 95 | 190 | 320 | 12-bolt | 7/8″ | 95 | 190 | 320 | 12-bolt | 7/8″ |
| 12″ | 95 | 190 | 320 | 12-bolt | 7/8″ | 95 | 190 | 320 | 12-bolt | 7/8″ |
| 14″ | 147 | 294 | 490 | 12-bolt | 1″ | 147 | 294 | 490 | 12-bolt | 1″ |
| 16″ | 147 | 294 | 490 | 16-bolt | 1″ | 147 | 294 | 490 | 16-bolt | 1″ |
| 18″ | 213 | 426 | 710 | 16-bolt | 1-1/8″ | 213 | 426 | 710 | 16-bolt | 1-1/8″ |
| 20″ | 213 | 426 | 710 | 20-bolt | 1-1/8″ | 213 | 426 | 710 | 20-bolt | 1-1/8″ |
| 24″ | 300 | 600 | 1,000 | 20-bolt | 1-1/4″ | 300 | 600 | 1,000 | 20-bolt | 1-1/4″ |
ASTM A193 B8C Stud Bolts Dimension
| 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 |
Other Types of SS ASTM A193 B8C Bolts
| ASTM A193 B8C Eye Bolt | ASTM A193 B8C SS T Bolt |
| Stainless Steel ASME SA193 B8C Lag Bolt | SS ASME SA193 B8C Step Bolt |
| ASTM A193 B8C Allen Bolts | ASTM A193 B8C Anchor Bolts |
| SS ASTM A193 B8C Counter Sunk Bolt | Stainless Steel ASTM A193 B8C Track Bolts |
| ASTM A193 B8C Mushroom Head Square Neck Bolts | ASTM A193 B8C T-Head Bolts |
| Stainless Steel ASTM A193 B8C Stud Bolts | Stainless Steel ASTM A193 B8C Foundation Bolts |
| ASTM A193 B8C Strut Bolts | ASTM A193 B8C 6mm Nyloc Bolts |
| Stainless Steel ASTM A193 B8C U Bolt | Stainless Steel ASTM A193 B8C Elevator Bolts |
| ASME SA193 B8C 12 Point Flange Bolts | ASTM A193 B8C Stove Bolts |
| SS ASTM A193 B8C Hanger Bolts | Stainless Steel ASME SA193 B8C Hexagon Bolts with Thread |