
How Buyers of ASTM A193 Bolts getting benefits to buy material from Ganpat Industrial?
- High-Quality Materials
- Wide Range of Grades
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- Strong Quality Assurance
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ASME SA 193 Stainless Steel Bolts and Nuts Manufacturer in India in Metric and Imperial Sizes
Prominent ASTM A193 Bolts Manufacturer in India in Various Grades and Custom Sizes
- Metric sizes: M3- M56
- Imperial Sizes : 3/6 to 2″
- Length:3- 200 mm
- Types: Double-end, Fully threaded, Tap-end
- End: Sheared, Chamfer, Cut, Flat etc.
- Head Type: Hex, Oval,Truss Flat etc
- Neck Type:Hex, Square, Knurled etc.
- Both Right
- Left Hand
- Right Hand
- Material grade
- Specification
- Heat number
- Custom logo
- Bolts, Dowel Pin
- Nut,Washer
- Studs, Rivet
- Threaded Rod, Screw
- Hot forging
- CNC Machined
- Cold forging
- Korean
- European
- American
- Janpanese
- HDG
- Oxidation
- Phosphating
- Threading
- Cold Drawn
- Density: 7.85 g/cm³
- Melting Point: 1425-1540°C
- Temprature : 101°C to +450°C
- ASTM A193
- ASME SA193
- UNC BSF
- UNF
- METRIC
- BSW
- Excellent Corrosion Resistance
- High Temperature Resistance
- Superior Strength
- Non-Magnetic
- Oil & Gas Industry
- Petrochemical
- Power Generation
- Water Treatment
SA 193 Heavy Hex Bolt Dimension Standards

| Diameter (D) | Body Diameter (D) | Across the Corners © | Across the Flats (F) | Head Height (H) | Thread Lengths (T) | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| MAX | MIN | MAX | MIN | MAX | MIN | MAX | MIN | < 6” | > 6” | |
| 3/4 | 0.768 | 0.729 | 1.443 | 1.383 | 1.25 | 1.212 | 0.524 | 0.455 | 1.75 | 2 |
| 7/8 | 0.895 | 0.852 | 1.66 | 1.589 | 1.438 | 1.394 | 0.604 | 0.531 | 2 | 2.25 |
| 2 | 2.039 | 1.964 | 3.608 | 3.449 | 3.125 | 3.025 | 1.388 | 1.175 | 4.25 | 4.5 |
| 1 1/4 | 1.277 | 1.223 | 2.309 | 2.209 | 2 | 1.938 | 0.876 | 0.749 | 2.75 | 3 |
| 5/8 | 0.642 | 0.605 | 1.227 | 1.175 | 1.062 | 1.031 | 0.444 | 0.378 | 1.5 | 1.75 |
| 2 1/4 | 2.305 | 2.214 | 4.041 | 3.862 | 3.5 | 3.388 | 1.548 | 1.327 | 4.75 | 5 |
| 1 1/8 | 1.149 | 1.098 | 2.093 | 2.002 | 1.812 | 1.756 | 0.78 | 0.658 | 2.5 | 2.75 |
| 1 3/8 | 1.404 | 1.345 | 2.526 | 2.416 | 2.188 | 2.119 | 0.94 | 0.81 | 3 | 3.25 |
| 1 1/2 | 1.531 | 1.47 | 2.742 | 2.622 | 2.375 | 2.3 | 1.036 | 0.902 | 3.25 | 3.5 |
| 1 3/4 | 1.785 | 1.716 | 3.175 | 3.035 | 2.75 | 2.662 | 1.196 | 1.054 | 3.75 | 4 |
| 1/2 | 0.515 | 0.482 | 1.01 | 0.969 | 0.875 | 0.85 | 0.364 | 0.302 | 1.25 | 1.5 |
| 1 | 1.022 | 0.976 | 1.876 | 1.796 | 1.625 | 1.575 | 0.7 | 0.591 | 2.25 | 2.5 |
| 2 1/2 | 2.559 | 2.461 | 4.474 | 4.275 | 3.875 | 3.75 | 1.708 | 1.479 | 5.25 | 5.5 |
| 2 3/4 | 2.827 | 2.711 | 4.907 | 4.688 | 4.25 | 4.112 | 1.869 | 1.632 | 5.75 | 6 |
| 3 | 3.081 | 2.961 | 5.34 | 5.102 | 4.625 | 4.475 | 2.06 | 1.815 | 6.25 | 6. |
| Sizes | Grades | ASTM | ASME | ISO |
|---|---|---|---|---|
| M1.6 to M64 | 12.9 | A574M | B18.3.1 M | 4762 |
| M3 to M20 | 45H | F912M | B18.3.6M | 4029 |
| M3 to M20 | 45H | F912M | B18.3.6M | 4029 |
| M6 to M24 | 012.9 | – | B18.3.3M | – |
| M3 to M20 | 012.9 | F835M | B18.3.5M | 10642 |
| M3 to M12 | 012.9 | F835M | B18.3.4M | 7380 |
| M4 to M20 | 10.9 | – | – | – |
| M3 to M10 | 012.9 | F835M | – | – |
| M3 to M12 | 45H | F912M | B18.3.6M | 4027 |
| M6 to M12 | 45H | F912M | B18.3.6M | 4026 |
| M3 to M20 | 45H | F912M | B18.3.6M | 4028 |
Buy Forged and CNC Machined A193M Threaded Rod With Different Threads like UNC, BSF, BSW etc.Check Torque Chart
A193M Threaded Rod A193M Torque Chart
| Nominal Diameter (in) | Torque ft-lb (Dry) | Threads (in) | Torque ft-lb (Lubricated) |
|---|---|---|---|
| 1″ | 490 | 8 | 368 |
| – | 549 | 14 | 412 |
| 1-1/4″ | 853 | 7 | 639 |
| – | 944 | 12 | 708 |
| 1-1/2″ | 1484 | 6 | 639 |
| – | 1669 | 12 | 1252 |
| 1/4″ | 6.5 | 20 | 4.8 |
| – | 7.4 | 28 | 5.5 |
| 3/4″ | 203 | 10 | 152 |
| – | 226 | 16 | 170 |
| 3/8″ | 23.5 | 16 | 17.7 |
| – | 26.6 | 24 | 19.9 |
| 5/16″ | 13.2 | 18 | 10.0 |
| – | 14.7 | 24 | 11.0 |
| 5/8″ | 114.2 | 11 | 85.7 |
| – | 129.3 | 18 | 97.0 |
| 5/16″ | 15.1 | 18 | 11.4 |
| – | 16.8 | 24 | 12.6 |
| 3/8″ | 26.9 | 16 | 20.2 |
| – | 30.4 | 24 | 22.8 |
| 7/16″ | 43.0 | 14 | 32.3 |
| – | 48.0 | 20 | 36.0 |
| 7/16″ | 37.6 | 16 | 28.2 |
| – | 42.0 | 24 | 31.5 |
| 1/2″ | 57.4 | 13 | 43.0 |
| – | 64.7 | 20 | 48.5 |
| 9/16″ | 82.7 | 12 | 62.1 |
| – | 92.3 | 18 | 69.2 |
| 7/8″ | 326 | 9 | 245 |
| – | 361 | 14 | 270 |
| 1/4″ | 7.4 | 20 | 5.5 |
| – | 8.4 | 28 | 6.3 |
| 1/2″ | 65.6 | 13 | 49.1 |
| – | 73.9 | 20 | 55.4 |
| 9/16″ | 94.5 | 12 | 71.0 |
| – | 105.5 | 18 | 79.1 |
| 5/8″ | 130.5 | 11 | 97.9 |
| – | 147.8 | 18 | 110.9 |
| 3/4″ | 232 | 10 | 174 |
| – | 258 | 16 | 194 |
| 7/8″ | 373 | 9 | 280 |
| – | 412 | 14 | 309 |
| 1-1/4″ | 975 | 7 | 730 |
| – | 1079 | 12 | 809 |
| 1-1/2″ | 1696 | 6 | 1271 |
| – | 1908 | 12 | 1430 |
| 1″ | 560 | 8 | 420 |
| – | 628 | 14 | 471 |
ASME SA 193 Stainless Steel Bolts Tightening Torque
| Size | TPI | Clamp Load (lbs) | Proof Load (lbs) | Tightening Torque (ft lbs) Plain |
Tightening Torque (ft lbs) Galv |
Tightening Torque (ft lbs) Galv + Wax |
|---|---|---|---|---|---|---|
| 3/8″ | 16 | 6,113 | 8,150 | 38 | 48 | 19 |
| 7/16″ | 14 | 8,363 | 11,150 | 61 | 76 | 30 |
| 1″ | 8 | 47,738 | 63,650 | 796 | 995 | 398 |
| 3/4″ | 10 | 26,288 | 35,050 | 329 | 411 | 164 |
| 7/8″ | 9 | 36,375 | 48,500 | 530 | 663 | 265 |
| 5/16″ | 18 | 4,125 | 5,500 | 21 | 27 | 11 |
| 1/2″ | 13 | 11,175 | 14,900 | 93 | 116 | 47 |
| 5/8″ | 11 | 17,813 | 23,750 | 186 | 232 | 93 |
| 1/4″ | 20 | 2,513 | 3,350 | 10 | 13 | 5 |
| 9/16″ | 12 | 14,325 | 19,100 | 134 | 168 | 67 |
A193 Stainless Steel Bolts Threads
Premier ASTM A193 Bolts Supplier in India of high-quality products engineered for lasting performance.
| Standard | Threads | |
|---|---|---|
| ASME / ANSI B1.1 | UNC | Unified National Coarse |
| UNF | Unified National Fine | |
| UNEF | Unified National Extra Fine | |
| BS 84 | BSW | British Standard Whitworth |
| BSF | British Standard Fine | |
| ISO 261 / ISO 965 | Metric Coarse (M) | – |
| Metric Fine (MF) | – | |
| ASME B1.5 | Acme Thread | – |
Top Oxidation and Phosphating Finish SA193 Screws Supplier in Mumbai For High Temperature or High Pressure Service
ASTM A193 Fasteners Applications

- Oxidation
- Phosphating Finish
- Black Oxide
- Zinc Plating
- Hot-Dip Galvanized
- Cadmium Plating
- PTFE / Teflon Coating
Weight Chart of ASTM A193 Nuts
A ASTM A193 Bolts Manufacturer in India of excellence—delivering consistent quality across every shipment.
| Size | Heavy Hex Jam | Heavy Hex | Finished Hex | Finished Jam | Heavy Square | Square |
|---|---|---|---|---|---|---|
| 1/2″ | 4.00 | 6.54 | 3.75 | 2.62 | 7.87 | 5.78 |
| 5/8″ | 6.96 | 11.9 | 7.33 | 4.93 | 14.3 | 10.8 |
| 3/4″ | 11.0 | 19.3 | 11.9 | 7.70 | 23.5 | 15.4 |
| 7/8″ | 16.7 | 29.7 | 19.0 | 12.0 | 36.2 | 24.5 |
| 1? | 23.5 | 42.5 | 28.3 | 17.6 | 51.5 | 36.3 |
| 11/8″ | 32.4 | 59.2 | 40.3 | 24.7 | 72.4 | 52.5 |
| 11/4″ | 45.8 | 78.6 | 54.3 | 36.1 | 95.5 | 70.6 |
| 13/8″ | 59.3 | 102 | 73.0 | 47.9 | 125.0 | 94.5 |
| 11/2″ | 74.8 | 131 | 94.3 | 60.9 | 161 | 122 |
| 15/8″ | 91.6 | 162 | – | – | – | – |
| 13/4″ | 114 | 204 | 151 | 100 | – | – |
| 17/8″ | 134 | 241 | – | – | – | – |
| 2? | 165 | 299 | 224 | 140 | – | – |
| 21/4″ | 227 | 419 | – | – | – | – |
| 21/2″ | 332 | 564 | – | – | – | – |
| 23/4″ | 429 | 738 | – | – | – | – |
| 3? | 545 | 950 | – | – | – | – |
| 31/4″ | 651 | 1194 | – | – | – | – |
| 31/2″ | 851 | 1526 | – | – | – | – |
| 33/4″ | 1005 | 1812 | – | – | – | – |
| 4? | 1200 | 2180 | – | – | – | – |
ASME SA 193 Alloy Steel Screws Dimensions Schedule
| Nominal Size or Basic Major Thread Diameter | F | H | G | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Width Across Flats | Thickness | Width Across Corners | |||||||
| Basic | Max | Min | Basic | Max | Min | Max | Min | ||
| 3/8 | .3750 | 11/16 | .688 | .669 | 23/64 | .377 | .341 | .794 | .763 |
| 7/16 | .4375 | 3/4 | .750 | .728 | 27/64 | .441 | .403 | .866 | .830 |
| 1/2 | .5000 | 7/8 | .875 | .850 | 31/64 | .504 | .464 | 1.010 | .969 |
| 9/16 | .5625 | 15/16 | .938 | .909 | 35/64 | .568 | .526 | 1.083 | 1.037 |
| 5/8 | .6250 | 1-1/16 | 1.062 | 1.031 | 39/64 | .631 | .587 | 1.227 | 1.175 |
| 1/4 | .2500 | 1/2 | .500 | .488 | 15/64 | .250 | .218 | .577 | .556 |
| 5/16 | .3125 | 9/16 | .562 | .546 | 19/64 | .314 | .280 | .650 | .622 |
| 3/4 | .7500 | 1-1/4 | 1.250 | 1.212 | 47/64 | .758 | .710 | 1.443 | 1.382 |
| 1-5/8 | 1.6250 | 2-9/16 | 2.562 | 2.481 | 1-19/32 | 1.632 | 1.556 | 2.959 | 2.828 |
| 1 | 1.0000 | 1-5/8 | 1.325 | 1.575 | 63/64 | 1.012 | .956 | 1.876 | 1.796 |
| 1-1/8 | 1.1250 | 1-13/16 | 1.812 | 1.756 | 1-7/64 | 1.139 | 1.079 | 2.093 | 2.002 |
| 1-1/4 | 1.2500 | 2 | 2.000 | 1.938 | 1-7/32 | 1.251 | 1.187 | 2.309 | 2.209 |
| 1-3/8 | 1.3750 | 2-3/16 | 2.188 | 2.119 | 1-11/32 | 1.378 | 1.310 | 2.526 | 2.416 |
| 2-1/4 | 2.2500 | 3-1/2 | 3.500 | 3.388 | 2-13/64 | 2.251 | 2.155 | 4.041 | 3.862 |
| 2-1/2 | 2.5000 | 3-7/8 | 3.875 | 3.750 | 2-29/64 | 2.505 | 2.401 | 4.474 | 4.275 |
| 2-3/4 | 2.7500 | 4-1/4 | 4.250 | 4.112 | 2-45/64 | 2.759 | 2.647 | 4.907 | 4.688 |
| 3 | 3.0000 | 4-5/8 | 4.625 | 4.475 | 2-61/64 | 3.013 | 2.893 | 5.340 | 5.102 |
| 3-1/4 | 3.2500 | 5 | 5.000 | 4.838 | 3-3/16 | 3.252 | 3.124 | 5.774 | 5.515 |
| 1-3/4 | 1.7500 | 2-3/4 | 2.750 | 2.662 | 1-23/32 | 1.759 | 1.679 | 3.175 | 3.035 |
| 7/8 | .8750 | 1-7/16 | 1.438 | 1.394 | 55/64 | .885 | .833 | 1.660 | 1.589 |
| 1-1/2 | 1.5000 | 2-3/8 | 2.375 | 2.300 | 1-15/32 | 1.505 | 1.433 | 2.742 | 2.622 |
| 2 | 2.0000 | 3-1/8 | 3.125 | 3.025 | 1-31/32 | 2.013 | 1.925 | 3.608 | 3.449 |
| 3-1/2 | 3.5000 | 5-3/8 | 5.375 | 5.200 | 3-7/16 | 3.506 | 3.370 | 6.207 | 5.928 |
| 3-3/4 | 3.7500 | 5-3/4 | 5.750 | 5.562 | 3-11/16 | 3.670 | 3.616 | 6.640 | 6.341 |
| 4 | 4.0000 | 6-1/8 | 6.125 | 5.925 | 3-15/16 | 4.014 | 3.862 | 7.073 | 6.755 |
Get Japanese and American Origin Stud Bolt A193 With Different Grades and Ends like Chamfer, Sheared, Flat etc. At Best Price
Most Frequently Used Types Of ASTM A193 Fasteners
Cut to Length ASTM A193 Bolts Supplier in India in Custom Shapes like Square, Rectangular etc.
ASTM A193 Fasteners Recommended Hardware
| Bolt Grade | Washers | Nuts |
|---|---|---|
| B7 | F436 | A193 Grade 2H |
| B8 Class 1 | SS304 | A193 Grade 8 |
| B8M Class 1 | SS316 | A193 Grade 8M |
| B8 Class 2 | SS304 | A193 Grade 8 |
| B8M Class 2 | SS316 | A193 Grade 8M |
ASTM A193 Fasteners Allowable Stress
| Temperature | Maximum Allowable Stress |
|---|---|
| -20 to 100°F | 25.0 ksi |
| 300°F | 25.0 ksi |
| 800°F | 21.0 ksi |
| 900°F | 12.5 ksi |
| 400°F | 25.0 ksi |
| 500°F | 25.0 ksi |
| 600°F | 25.0 ksi |
| 700°F | 25.0 ksi |
| 200°F | 25.0 ksi |
| 1000°F | 4.5 ksi |
Heat Treatment for SA 193 Stainless Steel Bolts
| Heat Treatment | Temperature |
|---|---|
| Tempering | 540-675°C (1000-1250°F) |
| Austenitizing (Heating) | 850-900°C (1560-1650°F) |
| Quenching | Room temperature |
Offer ASTM A193 Fasteners Stock Online Which Covers Alloy Steel and Stainless Steel Bolting Materials, Refer Chemical Composition
| Product | ASME | BS | ISO | DIN | UNI | |||
|---|---|---|---|---|---|---|---|---|
| Imperial | Metric | Imperial | Metric | |||||
| Tap End Studs | ASME B18.31.2 | ASME B18.31.1M | BS 4882 | BS 4882 | – | DIN 938 | UNI 5911 | |
| DIN 939 | ||||||||
| Double End Studs | ASME B18.31.2 | ASME B18.31.1M | BS 4882 | BS 4882 | – | DIN 2510 | – | |
| Hex Bolts | ASME B18.2.1 | ASME B18.2.3.5M | BS 3692 | – | ISO 4014 | DIN 931 | UNI 5737 | |
| U Bolts | ASME B18.31.5 | – | – | BS 3974 | – | DIN 3570 | – | |
| Stud Bolts | ASME B18.31.2 | ASME B18.31.1M | BS 4882 | BS 4882 | – | DIN 976 | UNI 6610 | |
| Heavy Hex Bolts | ASME B18.2.1 | ASME B18.2.3.6M | – | – | ISO 7411 | DIN 6914 | UNI 5712 | |
| Hex Cap Screws | ASME B18.2.1 | ASME B18.2.3.1M | – | – | ISO 4017 | DIN 933 | UNI 5739 | |
| Socket Head Cap Screws | ASME B18.3 | ASME B18.3.1M | BS 2470 | BS 4168-1 | ISO 4762 | DIN 912 | UNI 5931 | |
| Eye Bolts | ASME B18.15 | – | – | – | – | DIN 444 | UNI 6058 | |
| Anchor Bolts | – | – | – | – | – | DIN 529 | – | |
| Countersunk Screws | ASME B18.3 | ASME B18.3.5M | BS 2470 | BS 4168-8 | ISO 10642 | DIN 7991 | UNI 5933 | |
| Set Screws | Flat point | ASME B18.3 | ASME B18.3.6M | BS 2470 | BS 4168-2 | ISO 4026 | DIN 913 | UNI 5923 |
| Cone point | ASME B18.3 | ASME B18.3.6M | BS 2470 | BS 4168-3 | ISO 4027 | DIN 914 | UNI 5927 | |
| Dog point | ASME B18.3 | ASME B18.3.6M | BS 2470 | BS 4168-4 | ISO 4028 | DIN 915 | UNI 5925 | |
| Cup point | ASME B18.3 | ASME B18.3.6M | BS 2470 | BS 4168-5 | ISO 4029 | DIN 916 | UNI 5929 | |
| Oval point | – | – | BS 2470 | – | – | – | – | |
| Grade | Diameter, in. | Minimum Tempering Temperature, °F | Tensile Strength, ksi | Yield Strength, min, 0.2 % offset, ksi | Elongation in 4D,min, % | Reduction of Area, min, % | Hardness, max |
|---|---|---|---|---|---|---|---|
| Ferritic Steels | |||||||
| B5 4 to 6 % chromium | Up to 4, inclusive | 1100 | 100 | 80 | 16 | 50 | – |
| B6X 13 % chromium | Up to 4, inclusive | 1100 | 90 | 70 | 16 | 50 | 20 HRC |
| B6 13 % chromium | Up to 4, inclusive | 1100 | 110 | 85 | 15 | 50 | – |
| B7MA Chromium-molybdenum | 4 and under | 1150 | 100 | 80 | 18 | 50 | 235 HBW or 99 HRB |
| over 4 to 7 | 1150 | 100 | 75 | 18 | 50 | 235 HBW or 99 HRB | |
| B7 Chromium-molybdenum | 2.5 and under | 1100 | 125 | 105 | 16 | 50 | 321 HBW or 35 HRC |
| Over 2.5 to 4 | 1100 | 115 | 95 | 16 | 50 | 321 HBW or 35 HRC | |
| Over 4 to 7 | 1100 | 100 | 75 | 18 | 50 | 321 HBW or 35 HRC | |
| B16 Chromium-molybdenum-vanadium | 2.5 and under | 1200 | 125 | 105 | 18 | 50 | 321 HBW or 35 HRC |
| Over 2.5 to 4 | 1200 | 110 | 95 | 17 | 45 | 321 HBW or 35 HRC | |
| Over 4 to 8 | 1200 | 100 | 85 | 16 | 45 | 321 HBW or 35 HRC | |
| Grade, Diameter, in. |
Heat TreatmentB | Tensile Strength, min, ksi | Yield Strength, min, 0.2% offset ksi | Elongation in 4 D, min % | Reduction of Area, min % | Hardness,max | |
| Austenitic Steels | |||||||
| Classes 1 and 1D; B8, B8M, B8P, B8LN, B8MLN, B8CLN, | Carbide Solution Treated | 75 | 30 | 30 | 50 | 223 HBW or 96 HRBc | |
| Classes 1 and 1D: B8ML4CuN, | 70 | 25 | 35 | 50 | 90 HRB | ||
| Classes 1 and 1D; B8, B8CLNCuB, | 75 | 30 | 30 | 50 | 223 HBW or 96 HRBc | ||
| Class 1: B8C, B8T, | 75 | 30 | 30 | 50 | 223 HBW or 96HRBC | ||
| Classes 1B and 1D: B8N, B8MN, B8MLCuN, | 80 | 35 | 30 | 40 | 223 HBW or 96 HRBC | ||
| Class 1A: B8A, B8CA, B8CLNA, B8MA, B8PA, B8TA, B8LNA, B8MLNA, B8NA, B8MNA, B8MLCuNA, | Carbide Solution Treated in the finished condition | 75 | 30 | 30 | 50 | 192 HBW or 90 HRB | |
| Class 1A: B8ML4CuNA, | Carbide Solution Treated | 70 | 25 | 35 | 50 | 90 HRB | |
| Classes 1C and 1D: B8R, | Carbide Solution Treated | 100 | 55 | 35 | 55 | 271 HBW or 28 HRC | |
| Class 1C: B8RA, | Carbide Solution Treated in the finished condition | 100 | 55 | 35 | 55 | 271 HBW or 28 HRC | |
| Classes 1C: B8SA, | Carbide Solution Treated in the finished condition | 95 | 50 | 35 | 55 | 271 HBW or 28 HRC | |
| Classes 1C and 1D: B8S, | Carbide Solution Treated | 95 | 50 | 35 | 55 | 271 HBW or 28 HRC | |
| Class 2: B8, B8C, B8P, B8T, B8N,D3⁄4 and under | Carbide Solution Treated and strain hardened | 125 | 100 | 12 | 35 | 321 HBW or 35 HRC | |
| over 3⁄4 to 1, incl | – | 115 | 80 | 15 | 35 | 321 HBW or 35 HRC | |
| over 1 to 1 1⁄4, incl | – | 105 | 65 | 20 | 35 | 321 HBW or 35 HRC | |
| over 1 1⁄2 to 1 1⁄2, incl | – | 100 | 50 | 28 | 45 | 321 HBW or 35 HRC | |
| Class 2: B8M, B8MN, B8MLCuN D3⁄4 and under | Class 2: B8M, B8MN, B8MLCuN D3⁄4 and under | 110 | 95 | 15 | 45 | 321 HBW or 35 HRC | |
| Over 1 to 11⁄4, incl | – | 95 | 65 | 25 | 45 | 321 HBW or 35 HRC | |
| over 3⁄4 to 1 incl | – | 100 | 95 | 15 | 45 | 321 HBW or 35 HRC | |
| over 11⁄4 to 11⁄2, incl | – | 90 | 50 | 30 | 45 | 321 HBW or 35 HRC | |
| Class 2B: B8, B8M2D 2 and under | Carbide Solution Treated and strain hardened | 95 | 75 | 25 | 40 | 321 HBW or 35 HRC | |
| over 2 to 21⁄2 incl | – | 90 | 65 | 30 | 40 | 321 HBW or 35 HRC | |
| over 2 1⁄2 to 3 incl | – | 80 | 55 | 30 | 40 | 321 HBW or 35 HRC | |
| Class 2C: B8M3D 2 and under | Carbide Solution Treated and strain hardened | 85 | 65 | 30 | 60 | 321 HBW or 35 HRC | |
| over 2 | – | 85 | 60 | 30 | 60 | 321 HBW or 35 HRC | |
ASME SA193 Fasteners Chemical Properties
| Ferritic Steels | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade | Description and UNS Designation |
Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum | Cooper | NiobiumE | Titanium | Vanadium | Aluminium | Nitrogen |
| B5 | 5% Chromium |
0.10 min | 1.00 | 0.040 | 0.030 | 1.00 | 4.0-6.0 | – | 0.40-0.65 | – | – | – | – | – | – |
| B6x | Chromium (410), S41000 |
0.08-0.15 | 1.00 | 0.040 | 0.030 | 1.00 | 115-13.5 | – | – | – | – | – | – | – | – |
| B | 12% | ||||||||||||||
| B16 | Chromium-molybdenum-vanadium | 0.36-0.47 | 0.45-0.70 | 0.035 | 0.040 | 0.15-0.35 | 0.80-1.15 | – | 0.50-0.65 | – | – | – | 0.05-0.35 | 0.015D | – |
| B7 B7M |
Chromium MolybdenumB | 0.38-0.48c | 0.75-1.00 | 0.035 | 0.040 | 0.15-0.35 | 0.80-1.10 | – | 0.15-0.25 | – | – | – | – | – | – |
| Austenitic Steels | |||||||||||||||
| B8M B8MA B8M2 B8M3 |
316, S31600 |
0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | – | – | – | – | – | – |
| B8 B8A |
304, S30400 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | – | – | – | – | – | – | – |
| B8C B8CA |
347 S34700 |
0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | – | – | 10 x C to 1.10 | – | – | – | – |
| B8MN B8MNA |
316N, S31651 |
0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-13.0 | 2.00-3.00 | – | – | – | – | – | 0.10-0.16 |
| B8P B8PA |
S30500 | 0.12 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 11.0-13.0 | – | – | – | – | – | – | – |
| B8N B8NA |
304N, S30451 |
0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | – | – | – | – | – | – | 0.10-0.16 |
| B8MLCuN B8MLCuNA |
S31254 | 0.020 | 1.00 | 0.030 | 0.010 | 0.80 | 19.5-20.5 | 6.0-6.5 | 0.50-1.00 | – | – | – | – | – | 018-0.25 |
| B8CLN B8CLNA |
347LN, S34751 | 0.005-0.020 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-13.0 | – | – | 0.20-0.50; 15 × carbon content,min |
– | – | – | 0.06-0.10 |
| B8T B8TA |
321, S32100 |
0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 | 9.0-12.0 | – | – | – | 5 × (C + N) to 0.70 | – | – | 0.10 |
| B8R B8RA |
S20910 | 0.06 | 4.0-6.0 | 0.045 | 0.030 | 1.00 | 20.5-23.5 | 11.5-13.5 | 1.50-3.00 | – | 0.10-0.30 | – | 0.10-0.30 | – | 0.20-0.40 |
| B8LN B8LNA |
S30453 | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | – | – | – | – | – | – | 0.10-0.16 |
| B8MLN B8MLNA |
S31653 | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-13.0 | 2.00-3.00 | – | – | – | – | – | 0.10-0.16 |
| B8S B8SA |
S21800 | 0.10 | 7.0-9.0 | 0.060 | 0.030 | 3.5-4.5 | 16.0-18.0 | 8.0-9.0 | – | – | – | – | – | – | 0.08-0.18 |
| B8CLNCuB B8CLNCuBA |
S34752F | 0.005-0.020 | 2.00 | 0.035 | 0.010 | 0.60 | 17.0-19.0 | 10.0-13.0 | 0.0-13.0 | 0.0-13.0 | 0.20-0.50; 15 × carbon content, min |
– | – | – | 0.06-0.12 |
| B8ML4CuN, B8ML4CuNA |
S31730 | 0.030 | 2.00 | 0.040 | 0.010 | 1.00 | 17.0-19.0 | 15.0-16.5 | 3.0-4.0 | 4.0-5.0 | – | – | – | – | 0.045 |
ASTM A193 Bolts Delivery Location and Time
| Export to | Shipping Time in Days |
|---|---|
| Ukraine | 60 |
| Uk | 30 |
| Italy | 28 |
| Bahamas | 60 |
| Norway | 45 |
| Russia | 20 |
| Belgium | 40 |
| Greece | 45 |
| Netherland | 30 |
| Portugal | 45 |

