B7 Studs
B7 Studs
Alloy Steel, AISI 4140/4142 Quenched and Tempered
These Grade B7 threaded rods meet the pressure and temperature requirements of ASTM A193 and are often used to secure pressure tanks, valves, and flanges.
Zinc yellow-chromate plated steel threaded rods resist corrosion in wet environments.
Blue PTFE-coated steel threaded rods are chemical resistant and have a slippery surface to thread on smoothly. Black-oxide steel threaded rods have a dark surface color and are corrosion resistant in dry environments.
Grade Appropriate A194 2H Heavy Hex Nut
| Grade | Size | Tensile Ksi,min | Yield,ksi,min | Elong,%,min | RA%min | HBW | HRC |
|---|---|---|---|---|---|---|---|
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 | 321 max | 35 max |
| 2-5/8-4 | 115 | 95 | 16 | 50 | |||
| 4-1/8-7 | 100 | 75 | 18 | 50 |