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Yuyao A193 B16 Flange Bolt
QS Fastener: Yuyao A193 B16 Flange Bolt
Product: Yuyao A193 B16 Flange Bolt
Thread: 10 UNC
Size : 3/4 Inch
Standard: API 20E BSL 1
Material: ASTM A193 B16
Length: 100 mm
Thread: 10 UNC
Size : 3/4 Inch
Standard: API 20E BSL 1
Material: ASTM A193 B16
Length: 100 mm
Quantity
The Yuyao ASTM A193 B16 Flange Bolt represents a premium fastening solution engineered for demanding industrial applications. Manufactured in strict accordance with API 20E BSL 1 (Bolting Specification Level 1), this fully threaded flange bolt delivers exceptional performance in high-temperature and high-pressure environments .
The ASTM A193 B16 material is a chromium-molybdenum-vanadium alloy steel that undergoes quenching and tempering heat treatment . This composition delivers a minimum tensile strength of 125 ksi and yield strength of 105 ksi, with a maximum hardness of 35 HRC. The addition of vanadium enhances high-temperature relaxation resistance, making B16 superior to Grade B7 in elevated temperature service .
The 10 UNC (Unified National Coarse) thread with Class 2A tolerances ensures reliable engagement and facilitates efficient assembly with corresponding ASTM A194 Grade 4 or 7 heavy hex nuts . Full threading along the 100 mm length provides maximum gripping surface and allows for precise length adjustment in flange connections.
Application Scenarios
The ASTM A193 B16 flange bolt is specifically designed for high-temperature bolting applications in the oil and gas, petrochemical, and power generation industries . Typical applications include:
- Pressure vessel and piping flange connections operating at temperatures from 400°C up to 595°C (approximately 1000°F)
- High-temperature pipeline systems, including synthetic ammonia plants and petrochemical facilities
- Turbine and boiler equipment where sustained elevated temperature performance is critical
- Valve and accessory connections in high-pressure service environments
The ASTM A193 B16 flange bolt is specifically designed for high-temperature bolting applications in the oil and gas, petrochemical, and power generation industries . Typical applications include:
- Pressure vessel and piping flange connections operating at temperatures from 400°C up to 595°C (approximately 1000°F)
- High-temperature pipeline systems, including synthetic ammonia plants and petrochemical facilities
- Turbine and boiler equipment where sustained elevated temperature performance is critical
- Valve and accessory connections in high-pressure service environments
API 20E BSL 1 compliance ensures the bolt meets stringent qualification, production, and documentation requirements for petroleum and natural gas industry bolting .
Quality Assurance
Each Yuyao ASTM A193 B16 flange bolt is manufactured to the highest standards, with rigorous quality control ensuring dimensional accuracy and material integrity. The combination of advanced material science and precision thread rolling delivers a product that professionals can trust for critical flange connections where reliability is paramount.
Each Yuyao ASTM A193 B16 flange bolt is manufactured to the highest standards, with rigorous quality control ensuring dimensional accuracy and material integrity. The combination of advanced material science and precision thread rolling delivers a product that professionals can trust for critical flange connections where reliability is paramount.
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