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B8M Eye Bolt China Manufacturer
QS Fastener: B8M Eye Bolt China Manufacturer
Name: B8M Eye Bolt China Manufacturer
Standard: ASTM
Material: A193 B8M
Size: M6 to M100
Total Length: 30 to 1000 mm
Grade: A
Application: Oil Pipeline, Machinery, Chemical Industry, Building
Standard: ASTM
Material: A193 B8M
Size: M6 to M100
Total Length: 30 to 1000 mm
Grade: A
Application: Oil Pipeline, Machinery, Chemical Industry, Building
Quantity
The ASME SA193 B8M Eye Bolt is a high-performance lifting and fastening solution engineered for demanding industrial environments. Manufactured in strict compliance with ASTM standards, this eye bolt is produced from premium A193 B8M material, a molybdenum-bearing austenitic stainless steel that delivers an excellent balance of strength, toughness, and corrosion resistance. As a responsible China manufacturer, we ensure that every production batch undergoes rigorous material verification and dimensional inspection, guaranteeing traceability and consistent quality for global buyers.
Available in metric sizes from M6 to M100 and total lengths ranging from 30 mm to 1000 mm, the B8M Eye Bolt accommodates a wide variety of connection points and load requirements. Its robust eye configuration allows for secure vertical lifting, anchoring, and tensioning in oil pipelines, heavy machinery, chemical reactors, and building structures. The combination of standardized geometry and precision machining ensures easy installation and reliable mating with corresponding nuts and washers, reducing on-site fitting time and maintenance costs.
Mechanical Properties & Heat Treatment
The mechanical reliability of this B8M Eye Bolt is established through strictly controlled solution annealing and strain-hardening processes. Solution treatment is carried out at 1038–1121°C, followed by rapid water quenching to dissolve carbides and refine grain structure, which significantly enhances both ductility and pitting resistance. Subsequent cold working (strain hardening) increases dislocation density, raising strength levels without sacrificing toughness.
The mechanical reliability of this B8M Eye Bolt is established through strictly controlled solution annealing and strain-hardening processes. Solution treatment is carried out at 1038–1121°C, followed by rapid water quenching to dissolve carbides and refine grain structure, which significantly enhances both ductility and pitting resistance. Subsequent cold working (strain hardening) increases dislocation density, raising strength levels without sacrificing toughness.
Key verified properties include:
- Tensile Strength: ≥ 100 ksi (689 MPa) – ensures the B8M Eye Bolt withstands extreme tensile loads before fracture, critical for high-pressure pipeline joints and heavy-lifting slings.
- Tensile Strength: ≥ 100 ksi (689 MPa) – ensures the B8M Eye Bolt withstands extreme tensile loads before fracture, critical for high-pressure pipeline joints and heavy-lifting slings.
- Yield Strength: ≥ 80 ksi (552 MPa) – guarantees that the fastener resists permanent deformation under sustained operational stresses, maintaining clamp load and joint integrity over long service cycles.
- Elongation: ≥ 12% (in 2″ gauge) – demonstrates sufficient plastic deformation capacity, allowing the eye bolt to absorb shock, vibration, and thermal expansion without brittle failure – a vital trait in offshore and seismic zones.
- Hardness: ≤ 223 HB or ≤ 96 HRB – provides adequate wear resistance for threaded surfaces while preserving machinability and avoiding hydrogen embrittlement risks.
These properties are not merely laboratory figures; they are validated through batch-by-batch tensile, hardness, and impact tests. Every B8M Eye Bolt delivered by our China manufacturer is backed by mill test reports and heat number tracking, ensuring full compliance with ASME SA193 and ASTM A193 requirements.
Application Advantages
Thanks to its high chromium and nickel content with molybdenum addition, the B8M Eye Bolt offers superior resistance to chloride pitting, crevice corrosion, and general oxidation, making it particularly suitable for sour gas services, caustic chemical exposures, and humid coastal installations. Whether used in pipe hangers, valve actuators, structural steelwork, or temporary lifting gear, this eye bolt delivers consistent performance from –50°C to 500°C.
Thanks to its high chromium and nickel content with molybdenum addition, the B8M Eye Bolt offers superior resistance to chloride pitting, crevice corrosion, and general oxidation, making it particularly suitable for sour gas services, caustic chemical exposures, and humid coastal installations. Whether used in pipe hangers, valve actuators, structural steelwork, or temporary lifting gear, this eye bolt delivers consistent performance from –50°C to 500°C.
By combining stringent heat treatment, precision threading, and 100% dimensional inspection, we as a dedicated China manufacturer provide a B8M Eye Bolt that meets both international standards and real-world project expectations – a cost-effective, durable, and fully traceable choice for engineers who prioritize safety and longevity.
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