ASTM A193 B7 Blind Flanges

ASTM A193 B7 Blind Flanges are high-strength alloy steel flanges designed to close the ends of pipelines, valves, or pressure vessel openings. These flanges are widely used in high-pressure and high-temperature environments because of their exceptional mechanical strength and heat resistance. Zeron Fasteners supplies durable and precisely engineered B7 Blind Flanges suitable for applications in petrochemical plants, oil and gas pipelines, steam systems, boilers, and power generation industries. Manufactured from chromium-molybdenum alloy steel, these flanges ensure leak-proof sealing and long-term performance. Key phrases such as ASTM A193 B7 Blind Flanges, Alloy Steel B7 Flanges, and High Pressure Blind Flanges naturally strengthen the SEO value of this description.

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ASTM A193 B7 Blind Flanges Chemical Composition

Element Composition (%)
Carbon (C) 0.37 – 0.49
Manganese (Mn) 0.65 – 1.10
Phosphorus (P) 0.035 max
Sulfur (S) 0.040 max
Silicon (Si) 0.15 – 0.35
Chromium (Cr) 0.80 – 1.10
Molybdenum (Mo) 0.15 – 0.25

ASTM A193 B7 Blind Flanges Mechanical Properties

Mechanical Property Value
Tensile Strength 860 MPa min
Yield Strength 720 MPa min
Elongation 16% min
Hardness Rockwell C35 max

ASTM A193 B7 Blind Flanges Feature Products

High Pressure Resistant Alloy Steel Flanges

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