API 20E BSL-1 Stud Bolts, ASTM A193 Grade B7, 1-1/4 IN, 8UN
Key Specifications / Features
This fully threaded stud bolt is manufactured from ASTM A193 Grade B7 alloy steel for high tensile strength in critical pressure-boundary applications. It measures 1-1/4 inch in diameter with 8UN threading and an overall length of 10 inches for secure fastening across thick flanged assemblies. The bolt is designed to API 20E BSL-1 requirements for upstream oil and gas bolting integrity. It carries a Zn-Ni base layer plus Xylan 1070 coating for superior corrosion resistance and controlled friction during installation.
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Detail Information
Product Name: ASTM A193 Grade B7 Stud Bolt
Type: Fully Threaded Stud Bolt
Material: ASTM A193 Grade B7
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.landee.cn/api-20e-bsl-1-stud-bolts-astm-a193-grade-b7-1-1-4-in-8un.html