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Jiaxing A193 B7 Threaded Rod
QS Fastener: Jiaxing A193 B7 Threaded Rod
Product : Jiaxing A193 B7 Threaded Rod
Coating: Y-ZN
Hardness: Max 34 HRC
Material: ASTM A193 B7
Dimension: 1-7/8 IN
Standard: API 20E BSL 3
Total Length: 9.3 IN
Class: 2A
Thread: 8 UNC
Coating: Y-ZN
Hardness: Max 34 HRC
Material: ASTM A193 B7
Dimension: 1-7/8 IN
Standard: API 20E BSL 3
Total Length: 9.3 IN
Class: 2A
Thread: 8 UNC
Quantity
The Jiaxing ASTM A193 B7 Threaded Rod is a premium-grade fastener engineered for critical bolting applications in the petroleum, natural gas, and heavy industrial sectors. Manufactured from chrome-molybdenum alloy steel and heat-treated to achieve an optimal hardness of maximum 34 HRC, this threaded rod delivers the mechanical strength and thermal stability required for high-pressure and high-temperature environments .
Material & Performance
ASTM A193 Grade B7 is the industry standard for high-strength bolting, offering a minimum tensile strength of 125,000 PSI and yield strength of 105,000 PSI . The chromium-molybdenum composition provides excellent resistance to relaxation at elevated temperatures, making this material suitable for service in environments up to 450°C (842°F). The hardness specification of Max 34 HRC ensures optimal ductility while maintaining strength, reducing the risk of hydrogen embrittlement and stress corrosion cracking .
ASTM A193 Grade B7 is the industry standard for high-strength bolting, offering a minimum tensile strength of 125,000 PSI and yield strength of 105,000 PSI . The chromium-molybdenum composition provides excellent resistance to relaxation at elevated temperatures, making this material suitable for service in environments up to 450°C (842°F). The hardness specification of Max 34 HRC ensures optimal ductility while maintaining strength, reducing the risk of hydrogen embrittlement and stress corrosion cracking .
Dimensions & Thread Configuration
This threaded rod measures 1-7/8 inches nominal diameter with a total length of 9.3 inches. Featuring an 8 UNC (Unified Coarse) thread series, Class 2A thread fit, it ensures smooth engagement with standard nuts and facilitates reliable torque-controlled installation. The fully threaded design provides maximum versatility for bolting applications requiring precise tensioning and load distribution.
This threaded rod measures 1-7/8 inches nominal diameter with a total length of 9.3 inches. Featuring an 8 UNC (Unified Coarse) thread series, Class 2A thread fit, it ensures smooth engagement with standard nuts and facilitates reliable torque-controlled installation. The fully threaded design provides maximum versatility for bolting applications requiring precise tensioning and load distribution.
Corrosion Protection
The Y-ZN (Yellow Zinc) coating provides enhanced corrosion resistance compared to conventional zinc plating, offering superior protection against white rust and atmospheric corrosion . This finish is particularly effective in industrial environments where exposure to moisture and chemicals is a concern, while also providing visual differentiation for quality assurance.
The Y-ZN (Yellow Zinc) coating provides enhanced corrosion resistance compared to conventional zinc plating, offering superior protection against white rust and atmospheric corrosion . This finish is particularly effective in industrial environments where exposure to moisture and chemicals is a concern, while also providing visual differentiation for quality assurance.
Industry Compliance
Conforming to API Specification 20E Bolting Specification Level 3 (BSL-3), this threaded rod meets the highest technical, quality, and qualification requirements for alloy and carbon steel bolting in the petroleum and natural gas industries . BSL-3 designation mandates rigorous material traceability, testing, and documentation, making this product suitable for critical service applications where fastener integrity is paramount.
Conforming to API Specification 20E Bolting Specification Level 3 (BSL-3), this threaded rod meets the highest technical, quality, and qualification requirements for alloy and carbon steel bolting in the petroleum and natural gas industries . BSL-3 designation mandates rigorous material traceability, testing, and documentation, making this product suitable for critical service applications where fastener integrity is paramount.
Applications
The Jiaxing A193 B7 Threaded Rod is ideally suited for:
- High-pressure piping systems and flanged connections
- Pressure vessels and heat exchangers
- Valve and pump assemblies
- Power generation plants and steam lines
- Oil refineries and petrochemical facilities
- Offshore platforms and marine environments
- Mining and heavy construction equipment
The Jiaxing A193 B7 Threaded Rod is ideally suited for:
- High-pressure piping systems and flanged connections
- Pressure vessels and heat exchangers
- Valve and pump assemblies
- Power generation plants and steam lines
- Oil refineries and petrochemical facilities
- Offshore platforms and marine environments
- Mining and heavy construction equipment
Quality Assurance
Each threaded rod is manufactured with strict quality control, including hardness verification, dimensional inspection, and coating thickness testing, ensuring consistent performance and reliability in demanding service conditions.
Each threaded rod is manufactured with strict quality control, including hardness verification, dimensional inspection, and coating thickness testing, ensuring consistent performance and reliability in demanding service conditions.
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