ASTM A193 grade B8M is extensively implemented in chemical and petroleum construction applications. This material specification includes fasteners composed of corrosion-resistant 316 stainless steel. These are used in making bolts,
studs, bolts threaded rods, and others, perfect for high temperatures and high tensile. This hardened and heat-treated authentic steel grade is further divided into two classes.
A193 Grade B8M
| B8M |
Stainless steel, AISI 316, carbide solution treated. |
Mechanical properties
| Size |
Tensile ksi, min |
Yield ksi, min |
Elong %, min |
RA % min |
HBW |
Rockwell |
| All |
75 |
30 |
30 |
50 |
223 Max |
96 HRB max |
Chemical properties
| Element |
B8M (AISI 316) |
| Carbon |
0.08% max |
| Manganese |
2.00% max |
| Phosphorus, max |
0.045% |
| Sulfur, max |
0.03% |
| Silicon |
1.00% max |
| Chromium |
18.0 - 20.0% |
| Nickel |
8.0 - 11.0% |
| Molybdenum |
2.00 - 3.00% |
Compatible hardware
| Bolt Grade |
Nut |
Washers |
| B8M |
A194 Grade 8M |
SS316 |
