| Customization: | Available |
|---|---|
| Material: | Stainless Steel |
| Type: | Round Head |
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Stud bolts and hex nuts are commonly used together to create secure connections in various applications, such as construction, machinery, and infrastructure. The stud bolt provides a threaded end for fastening, while the hex nut is used to secure and tighten the connection. These components are often made from materials such as carbon steel, alloy steel, or stainless steel to ensure strength and durability.
ASTM A193 B8M stud bolt, SS316 Stud bolt,SUS316 Stud bolt, B8M stud bolts, B8M heavy hex bolts, and other B8M fasteners are commonly used in marine and other heavy industrial environments that require corrosion resistant fasteners to be used. It is offten incorrectly thought that B8 studs and fasteners (304 stainless) are mechanically weeker than B8M studs and fasteners (316 stainless steel).
A194 8M Hex Nuts
ASME B18.2.1 Stud Bolt &ASME B18.2.2 hex nuts
A193 B8M Hex Bolt
We also supply A193 B8 Stud bolts and A194 Gr 8 Hex nuts
Both grade can be PTFE COATED
XYLAN/PTFE COATED A193 B8 Stud bolts and A194 Gr 8 Hex nuts
XYLAN/PTFE COATED A193 B8M Stud bolts and A194 Gr 8M Hex nuts
Type: Stud Bolts and Nuts.
Material: A193 B8M Stud Bolt and A194 8M Hex Nuts
A193 B8M Hex Bolt and A194 8M Hex Nuts
Standard: ASME B18.2.1, ASME B18.2.2.
| B7 | Alloy steel, AISI 4140/4142 quenched and tempered |
|---|---|
| B8 | Class 1 Stainless steel, AISI 304, carbide solution treated. |
| B8M | Class 1 Stainless steel, AISI 316, carbide solution treated. |
| B8 | Class 2 Stainless steel, AISI 304, carbide solution treated, strain hardened |
| B8M | Class 2 Stainless steel, AISI 316, carbide solution treated, strain hardened |
| B16 | A heat-treated chromium-molybdenum-vanadium steel for high-pressure, high-temperature service. |
ASTM A193 Grade B8M & ASTM A194 Grade 8M
| 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 | |
| B16 | Up to 2-1/2 | 125 | 105 | 18 | 50 |
| 2-5/8 - 4 | 110 | 95 | 17 | 45 | |
| 4-1/8 - 7 | 100 | 85 | 16 | 45 |
| Element | B7 (AISI 4140) | B8 (AISI 304) | B8M (AISI 316) | B16 (AISI 4140) |
|---|---|---|---|---|
| Carbon | 0.37 - 0.49% | 0.08% max | 0.08% max | 0.37 - 0.49% |
| Manganese | 0.65 - 1.10% | 2.00% max | 2.00% max | 0.65 - 1.10% |
| Phosphorus, max | 0.035% | 0.045% | 0.045% | 0.035% |
| Sulfur, max | 0.040% | 0.030% | 0.030% | 0.040% |
| Silicon | 0.15 - 0.35% | 1.00% max | 1.00% max | 0.15 - 0.35% |
| Chromium | 0.75 - 1.20% | 18.0 - 20.0% | 16.0 - 18.0% | 0.75 - 1.20% |
| Nickel | 8.0 - 11.0% | 10.0 - 14.0% | ||
| Molybdenum | 0.15 - 0.25% | 2.00 - 3.00% | 0.15 - 0.25% |
| Bolt Grade | Nuts | Washers |
|---|---|---|
| B7 | A194 Grade 2H | F436 |
| B8 Class 1 | A194 Grade 8 | SS304 |
| B8M Class 1 | A194 Grade 8M | SS316 |
| B8 Class 2 | A194 Grade 8 | SS304 |
| B8M Class 2 | A194 Grade 8M | SS316 |
EXAMPLE#1,
STUD BOLT , 3/4 X 145 LG ,W/2 HVY HEX NUT; (IMP SIZE X METRIC LG); SS ASTM A193 GR A193 B8M CL 2/ASTM A194 GR 8MA
Quantity: 120 Each
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