ASTM A193 B7M Stud Bolts

ASTM A193 B7M Stud Bolts are high-temperature resistant alloy steel fasteners designed specifically for pressure vessels, oil refineries, petrochemical plants, and power generation units. These bolts undergo controlled heat treatment to deliver enhanced toughness and stress corrosion resistance in severe operating environments. Zeron Fasteners supplies premium quality B7M Stud Bolts that ensure secure joint integrity in flanged connections, piping assemblies, valves, and boilers. Known for exceptional tensile strength and durability, ASTM A193 B7M Stud Bolts remain one of the most dependable fastening solutions for critical industrial applications.

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ASTM A193 B7M Stud Bolts Chemical Composition

Element Composition (%)
Carbon (C) 0.37 max
Manganese (Mn) 0.75 to 1.00
Phosphorus (P) 0.04 max
Sulfur (S) 0.03 max
Silicon (Si) 0.15 to 0.35
Chromium (Cr) 0.80 to 1.10
Molybdenum (Mo) 0.15 to 0.25

ASTM A193 B7M Stud Bolts Mechanical Properties

Mechanical Property Value
Tensile Strength 860 MPa min
Yield Strength 690 MPa min
Hardness 223 HB max
Elongation 16% min

ASTM A193 B7M Stud Bolts Feature Products

High Temperature Resistant Stud Bolts

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