ASTM A193 Gr.B7 Stud Bolts, API 20E BSL-1, 1-1/4 * 10 Inch
Key Specifications / Features
These full-threaded stud bolts are made from alloy steel and meet ASTM A193 Grade B7 for high-temperature, high-pressure bolting applications. They conform to API 20E BSL-1 standards required for critical oil and gas service. The studs measure 1-1/4 inch in diameter with 8UN thread pitch and 10 inch overall length. They carry a dual-layer coating of zinc-nickel plus Xylan 1070, which provides base corrosion resistance and a low-friction topcoat that prevents galling and ensures consistent preload during tightening.
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Detail Information
Product Name: ASTM A193 Grade B7 Stud Bolts
Type: Fully Threaded Stud Bolt
Material: ASTM A193 Grade B7, Alloy Steel
Certification: API 20E BSL-1
Size: 1-1/4 Inch, 8UN
Length: 10 Inch
Surface Treatment:
First Layer: Zinc-Nickel Coating (ASTM B841 / ASTM F1941)
Second Layer: Xylan 1070 Red Coating
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Source: https://www.landeepipefitting.com/astm-a193-gr-b7-stud-bolts-api-20e-bsl-1-1-1-4-10-inch.html