Product Category
Quantity:
库存： 0
Inquire
Add to Basket
ASTM A193 B7 High Tensile Stud Bolts – Headless, double-ended threaded fasteners manufactured from alloy steel (AISI 4140/4142) per ASTM A193 Grade B7 specification. Designed for high-temperature and high-pressure bolting applications including pressure vessels, valves, flanges, and piping systems in oil & gas, petrochemical, and power generation industries. Available in full or partial thread, imperial (1/4″–4″) and metric (M6–M100) sizes, with plain, zinc-plated, hot-dipped galvanized, or PTFE-coated finishes. Supplied with matching ASTM A194 Grade 2H heavy hex nuts and backed by mill test reports (MTRs) and full material traceability
Related News
-
Learn how to choose the best surface treatment for industrial fasteners. Compare zinc plating, hot-dip galvanizing, Dacromet, Geomet, black oxide, stainless steel, and more. -
The global fastener industry is entering a new stage of transformation in 2026. Demand from construction, renewable energy, electric vehicles (EVs), infrastructure, industrial automation, aerospace, and data centers continues to reshape purchasing priorities. Buyers are no longer focused solely on price—they increasingly evaluate product quality, traceability, certification, delivery reliability, carbon footprint, and manufacturing capability. -
Choosing the right fastener material is critical for performance and durability. This guide compares stainless steel, carbon steel, and alloy steel fasteners, highlighting their strengths, corrosion resistance, and ideal applications. It also explains how to select the right bolts, screws, threaded rods, and other hardware fasteners for construction, marine, automotive, and industrial projects, while helping readers avoid common material selection mistakes.
