ASTM A193 B7M Screws

ASTM A193 B7M Screws are high-strength alloy steel fasteners designed for high-pressure, high-temperature, and corrosive industrial environments. These screws are widely used in oil and gas systems, petrochemical plants, refinery equipment, boilers, and heavy engineering structures. Zeron Fasteners supplies premium-quality ASTM A193 B7M Screws that offer excellent stress corrosion resistance, uniform hardness, and reliable performance under extreme conditions. These fasteners are available in multiple head types and threading options, making them suitable for critical bolting applications requiring safety, durability, and long service life.

Related Products

A193 B7M Hex Bolts A193 B7M Stud Bolts A193 B7M Nuts A193 B7 Fasteners A193 B7M Washers

ASTM A193 B7M Screws Chemical Composition

Element Composition (%)
Carbon (C) 0.27 – 0.49
Manganese (Mn) ≤ 0.70
Phosphorus (P) ≤ 0.040
Sulfur (S) ≤ 0.040
Silicon (Si) 0.15 – 0.30
Chromium (Cr) 0.80 – 1.15
Molybdenum (Mo) 0.15 – 0.25

ASTM A193 B7M Screws Mechanical Properties

Mechanical Property Value
Tensile Strength 860 MPa min
Yield Strength 690 MPa min
Elongation 16% min
Hardness 235 HB max

ASTM A193 B7M Screws Feature Products

High Temperature Resistant Screws

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