A193 B7 Alloy Steel PTFE Coated Fine Thread Stud Bolt ASME B16.5M

A193 B7 Alloy Steel PTFE Coated Fine Thread Stud Bolt ASME B16.5M

A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M is a high-performance fastening component designed for demanding industrial flange and pressure equipment applications. The A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M is manufactured from ASTM A193 Grade B7 chromium-molybdenum alloy steel and features a PTFE (polytetrafluoroethylene) coating that improves corrosion resistance, reduces friction, and enhances installation performance.

The A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M is widely used in petrochemical plants, oil and gas systems, chemical equipment, pressure vessels, pipelines, valves, and heavy industrial machinery where strong clamping force and reliable threaded connections are required.

fine thread stud bolt


Product Overview

The A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M is designed for high-strength bolting applications requiring stable performance under pressure and temperature conditions. ASTM A193 B7 alloy steel provides excellent tensile strength and mechanical reliability, while the PTFE coating offers improved surface protection and smoother assembly.

The fine thread design provides more thread engagement compared with coarse threads, making the A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M suitable for applications requiring precise adjustment, stronger clamping control, and improved resistance to loosening.

This stud bolt is commonly used with heavy hex nuts and washers in flange connections and industrial equipment assemblies.


Product Specifications

Item Description
Standard ASTM A193 B7 / ASME B16.5 Application
Product Name PTFE Coated Fine Thread Stud Bolt
Material Chromium-Molybdenum Alloy Steel
Material Grade ASTM A193 B7
Thread Type Fully Threaded Stud / Double End Stud
Thread Standard ASME B1.1 UNF Fine Thread
Thread Direction Right Hand
Diameter Range According to Customer Requirement
Length Range Customized
Surface Finish PTFE Coated
Coating Type Fluoropolymer Coating
Strength Grade ASTM A193 B7
Packaging Bundle / Carton / OEM Packaging
Customization Length, thread, coating available

Technical Parameters

Parameter Value
Material ASTM A193 B7 Alloy Steel
Chemical Composition Chromium-Molybdenum Alloy Steel
Tensile Strength According to ASTM A193 B7 Requirement
Yield Strength According to ASTM A193 B7 Requirement
Hardness According to ASTM A193 B7 Specification
Temperature Performance Suitable for Elevated Temperature Service
Coating Performance Low Friction and Corrosion Protection
Thread Type UNF Fine Thread
Manufacturing Standard ASTM A193 / ASME Requirements

Materials and Manufacturing Process

The A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M is manufactured through controlled alloy steel processing, precision threading, heat treatment, and coating procedures.

  • Raw material selection: ASTM A193 B7 chromium-molybdenum alloy steel
  • Material inspection: Chemical composition verification and certification review
  • Cutting process: Preparation of stud bolt blanks
  • Thread processing: Precision rolling or machining of UNF fine threads
  • Heat treatment: Quenching and tempering to achieve required mechanical properties
  • Surface preparation: Cleaning before coating application
  • PTFE coating: Application of protective fluoropolymer coating
  • Inspection: Thread gauge inspection, dimensional measurement, coating verification, and mechanical testing
  • Packaging: Protective industrial packaging for transportation

Each A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M is manufactured under strict quality control to ensure dependable performance.


Applications of the Product

The A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M is widely used in industries requiring high-strength bolted connections:

  • Petrochemical industry: Pipeline flange connections and processing equipment
  • Oil and gas industry: Pressure systems and production facilities
  • Chemical industry: Corrosive process equipment
  • Power generation: Boilers, turbines, and energy equipment
  • Pressure vessels: High-load flange assemblies
  • Valve manufacturing: Industrial valve connections
  • Heavy machinery: Large equipment fastening systems
  • Engineering projects: Customized industrial installations

Its combination of alloy steel strength and PTFE coating makes it suitable for challenging industrial environments.


Why Choose This Product

  • ASTM A193 B7 high-strength alloy steel material
  • Fine thread design improves fastening control
  • PTFE coating reduces installation friction
  • Improved corrosion resistance compared with untreated steel
  • Suitable for industrial flange applications
  • Stable mechanical performance
  • Reliable thread accuracy
  • Long service life
  • OEM customization support

The A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M provides a dependable fastening solution for critical industrial connections.


Why Choose Flybear

Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.

  • Experience with high-strength alloy steel fasteners
  • Support for ASTM standard stud bolt production
  • Advanced thread processing and coating capability
  • Heat treatment process control
  • OEM/ODM customization support
  • Stable production capacity for bulk orders
  • Strict quality inspection procedures
  • Global export experience
  • Engineering support for special fastening requirements

Flybear provides reliable fastening products for petrochemical, energy, machinery, and industrial customers worldwide.


Quality Inspection and Control

Quality assurance is maintained throughout production:

  • Alloy steel chemical composition analysis
  • Raw material certificate verification
  • Heat treatment inspection
  • Tensile strength testing
  • Hardness testing
  • Fine thread gauge inspection
  • Dimensional accuracy inspection
  • PTFE coating thickness inspection
  • Surface quality inspection
  • Packaging inspection

All manufacturing processes follow ISO-based quality management systems to ensure consistent product reliability.


Selection Guide

When selecting an A193 B7 alloy steel PTFE coated fine thread stud bolt ASME B16.5M, consider:

  • Required diameter and length
  • UNF thread compatibility
  • Operating temperature and pressure
  • Flange connection requirements
  • Chemical exposure conditions
  • Required coating performance

Correct selection ensures reliable clamping force and long-term fastening performance.


FAQ

1. What is A193 B7 alloy steel stud bolt used for?
It is used for high-strength flange and pressure equipment connections in industrial applications.

2. What is the advantage of PTFE coating on stud bolts?
PTFE coating reduces friction during assembly and improves corrosion resistance.

3. Why use fine thread stud bolts?
Fine threads provide more thread engagement and better adjustment control in certain applications.

4. Can A193 B7 PTFE coated stud bolts be customized?
Yes, Flybear supports customized lengths, thread specifications, coatings, and packaging.

5. Which industries use A193 B7 stud bolts?
They are commonly used in petrochemical, oil and gas, chemical, power generation, and heavy industrial systems.


We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.

Contact us for quotation, customization, and technical support via Contact Us.

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