Product Description
B7 Stud Bolt With Grade 2h Heavy Hex Nuts Assembled
| Usage/Application |
Industrial |
| Standard |
ASTM A193 GRADE B7 AND ASTM A194 GRADE 2H |
| Product Type |
B7 Stud Bolt with Grade 2h Heavy Hex Nuts Assembled |
| Size |
DIA M 12 TO M 72,LENGTH 50MM TO 1000MM,DIA 1/2" TO 2",LENGTH 2" TO 40" |
| Material |
Carbon Steel |
| Grade |
ASTM A193 GRADE B7 AND ASTM A194 GRADE 2H |
| Finish |
Black |
| Color |
Black |
| Surface Treatment |
Black |
| Packaging Type |
BOXES,BAGS |
| Brand |
VI |
| Coating |
SELF,ZINC,AUTO BLACK,HOT DIP |
Sold in Individual Sets or Box Quantities
Studs: Grade B7
Full Threaded Rod Stud Bolts
Chamfered Flat Faced Ends
Manufactured from Chromium-Molybdenum Ferritic Alloy Steel
Tensile Strength: 125 KSI Min.
Hardness 35 HRC Max.
Nuts:Grade 2H
Heavy Hex
Single-Chamfered with Bottom Washer Face
Manufactured from Carbon Steel
Rockwell Hardness: C24 to C38
Threads:
1 Diameter & Smaller - Unified Inch Coarse Series (UNC), Class 2A
1-1/8 Diameter & Larger - Unified Inch 8 Thread Series (UN8), Class 2A
Standards
Studs:Material & Mechanical Properties: ASTM A193 Grade B7
Threads: ASME B1.1, UNC or UN8, Class 2A
Nuts:Material & Mechanical Properties: ASTM A194 Grade 2H
Dimensions: ASME B18.2.2
Additional Information:
- Delivery Time: 25 - 30 DAYS
- Packaging Details: BOXES, BAGS
Precision Engineering for Demanding ApplicationsThese B7 Stud Bolts with Grade 2H Heavy Hex Nuts are manufactured to strict ASTM standards, ensuring dimensional accuracy (0.05 mm tolerance) and superior mechanical performance. Their robust design and smooth finish make them ideal for use in pressure-bound systems across the oil, gas, and chemical industries.
Versatile Coatings and Surface TreatmentsSelect from various surface treatments such as phosphate coating, black oxide, zinc plating, or hot-dip galvanizing. These options enhance corrosion resistance and durability in challenging environments, ensuring the integrity and longevity of your fastener assembly.
Comprehensive Quality and CertificationEvery batch is rigorously tested and provided with Mill Test Certificates (MTC), verifying compliance with material specifications and grade requirements. Each bolt and nut bears engraved markings for grade and manufacturer traceability, supporting maintenance and regulatory documentation.
FAQ's of B7 Stud Bolt With Grade 2h Heavy Hex Nuts Assembled:
Q: How are B7 Stud Bolts with Grade 2H Heavy Hex Nuts used in industrial applications?
A: These stud bolts are primarily used to join components in high-pressure environments, such as flanges on pressure vessels, valves, and pipeline fittings. Their high strength and temperature resistance make them suitable for critical industrial settings.
Q: What is the manufacturing process for these stud bolts and nuts?
A: The bolts and nuts are manufactured from high-grade alloy steel, machined to precise tolerances, and heat-treated for strength. Threading is produced to ISO or ANSI standards, followed by surface treatments like phosphating or galvanizing, and rigorous quality testing is performed before final packaging.
Q: When should I choose a specific surface treatment for my fasteners?
A: Select surface treatments based on the environmental conditions of your application. For general corrosion resistance, zinc plating is recommended. Hot-dip galvanization suits highly corrosive environments, while phosphate or black oxide is ideal for applications requiring additional wear resistance.
Q: Where are these stud bolts typically installed?
A: They are commonly installed in petrochemical plants, power generation units, and water processing facilities-essentially wherever high-strength, temperature-resistant fasteners are required to ensure safe and secure joint assemblies.
Q: What benefits do customer-specific bolt lengths and thread types offer?
A: Custom sizing and thread options (ISO metric or Unified UNC/UNF) make these bolts adaptable to a wide range of equipment, providing optimal fit and ensuring secure assembly while meeting industry or client-specific requirements.
Q: How is quality assured for each order of stud bolts and nuts?
A: Quality is maintained through adherence to ASTM A193/A194 standards, comprehensive testing, and the provision of mill test certificates (MTC). Each product is engraved with grade and manufacturer markings for traceability and compliance.
Q: What are the advantages of using Grade 2H Heavy Hex Nuts in conjunction with B7 Stud Bolts?
A: Grade 2H Heavy Hex Nuts provide exceptional hardness (Rockwell C 29-38) and mechanical strength. When paired with B7 stud bolts, they ensure the assembly meets demanding torque and load specifications for critical operations.