ASTM A193 B7 Flanges

ASTM A193 B7 Flanges are forged alloy steel flanges known for their exceptional strength, heat resistance, and durability under high-pressure applications. These flanges are widely used in petrochemical systems, boilers, power plants, pipelines and heavy engineering sectors where reliability is crucial. Zeron Fasteners provides high-performance ASTM A193 B7 Flanges including Blind Flanges, Slip On Flanges, and Weld Neck Flanges, all engineered to deliver long service life and superior mechanical integrity. With controlled chemical composition and precise forging, our B7 Alloy Steel Flanges ensure safe and leak-proof connections in demanding industrial environments.

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ASTM A193 B7 Flanges Chemical Composition

Element Composition (%)
Carbon (C) 0.37 – 0.49
Manganese (Mn) 0.75 – 1.00
Phosphorus (P) 0.035 max
Sulfur (S) 0.040 max
Silicon (Si) 0.15 – 0.30
Chromium (Cr) 0.80 – 1.10
Molybdenum (Mo) 0.15 – 0.25

ASTM A193 B7 Flanges Mechanical Properties

Mechanical Property Value
Tensile Strength 860 MPa min
Yield Strength 720 MPa min
Elongation 16% min
Hardness 248 HB max

ASTM A193 B7 Flanges Feature Products

High Strength Alloy Steel Products

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