ASTM A193 Grade B8T Bolts
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ASTM A193 detail covers amalgam and hardened steel darting for weight vessels, valves, spines, and fittings for high temperature or high weight benefit, or other uncommon reason applications. A few evaluations are secured, including ferritic steels and austenitic treated steels assigned B5, B6, B7, B8, B8M, and so on. Determination will rely on configuration, benefit conditions, mechanical properties, and high temperature qualities. This particular is communicated in both inch-pound units and in SI units.
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The mechanical properties of ASTM A193 B8T Stainless Steel Tie Rods, joined with its protection from high-temperature erosion make astoundingly valuable for some, applications including long haul introduction to lifted temperatures and destructive environments. So as to meet the worldwide quality gauges, ASTM A193 B8T Stainless Steel Tie Bars is stringently tried on different characterized parameters.
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ASTM A193 B8T Bolts might be strand - strengthened at temperatures between 1600 Degree F and 1900 Degree F (870 Degree C and 1040 Degree C) from 5 - 10 minutes down to a couple of moments in the hot zone. A193 B8T (321) Stainless Steel Bolts is sued in electronic parts, alongside in applications where turning to shape the item is particularly wanted.
Useful Information of A193 Grade B8T Bolts
| A193 Grade B8T Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Standard: | DIN 933, DIN 931, ANSI, JIS standards |
| A193 Grade B8T Fasteners In Form of: | Hex |
| Square | |
| Round | |
| Threading as per Gauge Etc. | |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| A193 Grade B8T Packing: | IN BULK :canton/pallet, Small Boxs/carton/ pallet, or customer request |
| A193 Grade B8T Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| 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 | |
| A193 Grade B8T Finish: | Passivated |
| A193 Grade B8T Origin and service-region: | European |
| Origin of 304 Stainless Steel Nuts are Western European. However projects with eastern origin are possible on request. | |
| Stainless Steel Grades: | AISI 304, AISI 304L, AISI 316, AISI 316L, AISI 309, AISI 310, AISI 317L, AISI 321, AISI 317, AISI 309, AISI 410, AISI 422, AISI 430, AISI 431, AISI 303 , AISI 202 fasteners Etc. |
| Surface Coating: | Hot Dipped Galvanizing Fasteners |
| Phosphate Fasteners | |
| Teflon Fasteners | |
| Ptfe Coated Fasteners | |
| Xylon Fasteners | |
| Zinc Fasteners | |
| Cadmium Fasteners |
Other important data of A193 Grade B8T Bolts
| Physical Properties | Value | Units | Comments |
| Density | 0.291 | lb/in3 g/cm3 | |
| 8.06 | |||
| Mechanical Properties | |||
| Modulus of Elasticity | 28.3 x 106195 | psiGPa | |
| Melting Range | 2410 to 2550 | ºF | |
| Coefficient of Expansion | 8.5 | 10-6/ °F | |
| 68 to 212 °F | 15.3 | 10-6/ °C | |
| 20 to 100 °C | |||
| Modulus of Elasticity | 193 GPa | 28000 ksi | In Tension |
| Sealing Temperature | 1885 | °F | |
| 1030 | °C | ||
| Electrical Properties | |||
| Electrical Resistivity | 535 | Ohm·circ mil/ft | |
| 0.89 | µOm | ||
| Magnetic Permeability | 1.0028 | Oersted | Fully annealed 0.5″ plate 65% cold-worked plate |
| 1.0028 | (µ at 200H) | ||
| Thermal Properties | |||
| Specific Heat Capacity | 0.11 | Btu/lb·°F | |
| 500 | J/kg·K | ||
Other product range of A193 Grade B8T Bolts
| A193 Grade B8T Nuts | A193 Grade B8T Hex Slotted Nuts |
| A193 Grade B8T Bolts | A193 Grade B8T Heavy Hex Nuts |
| A193 Grade B8T screws | A193 Grade B8T Heavy Hex Jam Nuts |
| A193 Grade B8T washers | A193 Grade B8T Heavy Hex Slotted Nuts |
| A193 Grade B8T Heavy Hex Bolts | A193 Grade B8T Hex Coupling Nuts |
| A193 Grade B8T Finished Hex Bolts | A193 Grade B8T Cap Nuts |
| A193 Grade B8T Oval Neck Track Bolts | A193 Grade B8T 12-Point Nuts |
| A193 Grade B8T Bent Bolts | A193 Grade B8T Flat Washers |
| A193 Grade B8T Hex Cap Screws | A193 Grade B8T Lock Washers |
| A193 Grade B8T Heavy Hex Screws | A193 Grade B8T Beveled Washers |
| A193 Grade B8T 12-Point Screws | A193 Grade B8T Threaded Rod |
| A193 Grade B8T Socket Head Cap Screws | A193 Grade B8T Stud Bolts |
| A193 Grade B8T Socket Head Shoulder Screws | A193 Grade B8T Continuous Thread Studs |
| A193 Grade B8T Socket Set Screws | A193 Grade B8T Double End Studs |
| A193 Grade B8T Flat Countersunk Head Cap Screws | A193 Grade B8T Tap End Studs |
| A193 Grade B8T Hex Nuts | A193 Grade B8T Threaded Taper Pins |
| A193 Grade B8T Hex Jam Nuts | A193 Grade B8T Heavy Square Nuts |
ASTM A193 Characteristics
| Grade | Description | Diameter | Tensile Strength, min. | Yield Strength, min. | Hardness, max. | Marking |
|---|---|---|---|---|---|---|
| ASTM A193 B8T class 1 | S32100 (321) | all | 75 | 30 | 223 HB or 96 HRB | B8T |
| ASTM A193 B8T class 2 | S32100 (321) | 3/4” and under | 125 | 100 | 321 HB or 35 HRC | B8TSH |
| over 3/4” to 1” | 115 | 80 | 321 HB or 35 HRC | |||
| over 1” to 1 1/4” | 105 | 65 | 321 HB or 35 HRC | |||
| over 1 1/4” to 1 1/2” | 100 | 50 | 321 HB or 35 HRC | |||
| ASTM A193 B8R | S20910 | all | 100 | 55 | 271 HB or 28 HRC | B8R |
| ASTM A193 B8S | S21800 | all | 95 | 50 | 271 HB or 28 HRC | B8S |
Chemical Composition
| Carbon | Manganese, max | Phosphorus, max | Sulfur, max | Silicon | Chromium | Molybdenum |
|---|---|---|---|---|---|---|
| 0.10 min | 1.00 | 0.040 | 0.030 | 1.00 max | 4.00-6.00 | 0.40-0.65 |
Raw Material Description
| Grade | Tensile Class | Raw Material Description |
|---|---|---|
| B8T | Class 1 | AISI 321 Stainless Steel, Carbide Solution Treated |
| B8T | Class 2 | AISI 321 Stainless Steel, Carbide Solution Treated and Strain Hardened |
Mechanical Properties
| Grade | Diameter | Tensile Strength | Yield Strength | Elongation | Reduction | Hardness |
|---|---|---|---|---|---|---|
| Grade B8T, Class 2 | M20 and under | 860 | 690 | 12 | 35 | 321 HBW or 35 HRC |
| Grade B8T, Class 2 | M20 to M24, inclusive | 690 | 550 | 20 | 45 | 321 HBW or 35 HRC |
| Grade B8T, Class 2 | M24 to M30, inclusive | 655 | 450 | 25 | 45 | 321 HBW or 35 HRC |
| Grade B8T, Class 2 | M30 to M36, inclusive | 620 | 345 | 30 | 45 | 321 HBW or 35 HRC |
| Grade B8T, Class 1 | All Diameters | 515 | 205 | 30 | 50 | 192 HVW or 90 HRB |
ASTM A193 B8T Bolts Industrial Applications
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