2014年10月27日 · There are some significant differences in both the mechanical properties and the testing requirements of A193B7M and A193B7. For instance, A193B7M has a minimum …

ASTM A193 Grade B7M is a standard material specification for chromium-molybdenum alloy steel fasteners for use in high tensile, high temperature and special purpose applications.

Grade B7M bolts resist chloride, sulfide, and hydrogen stress corrosion cracking (SCC) and are frequently used in sour gas service. ASTM A193 Grade B16 bolts and threaded studs are …

ASTM A193 Grade B7M bolts and studs are identical in chemical composition to Grade B7 (quenched and tempered medium carbon alloy steel), but have lower strength requirements …

2024年9月26日 · B7M bolts are made from chromium-molybdenum steel and fall under the ASTM A193 specification. Unlike their B7 counterparts, B7M bolts are designed with a lower …

ASTM A193 Grade B7M is a material specification for high tensile alloy steel bolts, stud bolts, screws, threaded rods, for high temperature or high pressure applications. ASTM a193 B7M is …

2024年11月17日 · The choice between ASTM A193 Grade B7 and B7M stud bolts depends on the application environment. B7 offers superior strength for general high-pressure systems, …

Grade B7M — The maximum hardness of the grade shall be 235 HBW or 99 HRB. The minimum hardness shall not be less than 200 HBW or 93 HRB.

ASTM A193 Grade B7M Specification for high tensile bolts, screws, stud bolts, threaded rods, anchor bolts and other externally threaded fasteners, made from chromium-molybdenum alloy …

Hilton Steel can supply ASTM A193 B7M bolts in sizes up to 4 inches or higher (4 to 7 inches). Selecting the right size for your fasteners is imperative for long-term durability. We advise …