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by Tubotech Alloys INC
Tubotech Alloys is a leading manufacturer, supplier, and exporter of premium-quality ASTM A193 Grade B7 Alloy Steel Fasteners in France. We provide a comprehensive range of high-strength fastening solutions designed for demanding industrial applications. Our ASTM A193 Grade B7 Alloy Steel Fasteners in France are manufactured from heat-treated chromium-molybdenum alloy steel, offering exceptional tensile strength, durability, and resistance to high-pressure and high-temperature environments.
These fasteners are widely used across industries such as oil & gas, petrochemicals, power generation, offshore platforms, refineries, and heavy engineering projects throughout France. Tubotech Alloys ensures strict compliance with international quality standards to deliver reliable and long-lasting fastening solutions.






Tubotech Alloys offers a complete range of ASTM A193 Grade B7 Alloy Steel Fasteners, including:
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.37 – 0.49 |
| Manganese (Mn) | 0.65 – 1.10 |
| Phosphorus (P) | 0.035 Max |
| Sulfur (S) | 0.040 Max |
| Silicon (Si) | 0.15 – 0.35 |
| Chromium (Cr) | 0.75 – 1.20 |
| Molybdenum (Mo) | 0.15 – 0.25 |
The carefully controlled chemical composition enhances the strength, toughness, and corrosion resistance of ASTM A193 Grade B7 Alloy Steel Fasteners.
| Property | Value |
|---|---|
| Tensile Strength | 125 ksi (860 MPa) Min |
| Yield Strength | 105 ksi (720 MPa) Min |
| Elongation | 16% Min |
| Reduction of Area | 50% Min |
| Hardness | 24-35 HRC |
These mechanical properties make ASTM A193 Grade B7 Alloy Steel Fasteners ideal for critical applications involving high pressure and elevated temperatures.
The superior strength and reliability of ASTM A193 Grade B7 Alloy Steel Fasteners make them suitable for various industries, including:
We manufacture fasteners using high-grade alloy steel that meets ASTM specifications and international quality standards.
Tubotech Alloys offers a complete selection of bolts, nuts, screws, washers, stud bolts, and customized fastening solutions.
Our efficient manufacturing processes allow us to provide cost-effective fastening solutions without compromising quality.
Every batch undergoes rigorous inspection and testing to ensure dimensional accuracy, strength, and performance.
We maintain a robust supply chain to ensure prompt delivery of ASTM A193 Grade B7 Alloy Steel Fasteners throughout France.
We can manufacture fasteners in custom sizes, dimensions, coatings, and specifications to meet project-specific requirements.
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
| Specification | Details |
|---|---|
| Standard | ASTM A193 Grade B7 |
| Material | Chromium-Molybdenum Alloy Steel |
| Size Range | M6 to M100 |
| Length Range | Up to 500 mm and above |
| Thread Type | UNC, UNF, Metric, BSW |
| Form | Bolts, Nuts, Studs, Screws, Rods, Washers |
| Finish | Black Oxide, Zinc Plated, Hot Dip Galvanized, PTFE Coated |
| Manufacturing Process | Hot Forged & Cold Forged |
ASTM A193 Grade B7 Alloy Steel Fasteners are high-strength alloy steel fasteners manufactured from chromium-molybdenum steel and heat-treated for superior mechanical performance in high-pressure and high-temperature applications.
These fasteners are extensively used in oil & gas, petrochemical, power generation, refinery, offshore, and heavy engineering industries.
ASTM A193 Grade B7 Alloy Steel Fasteners have a minimum tensile strength of 125 ksi (860 MPa), making them suitable for critical industrial applications.
Yes, ASTM A193 Grade B7 Alloy Steel Fasteners are specifically designed for high-temperature and high-pressure service conditions, offering excellent mechanical stability.
Tubotech Alloys provides certified quality products, competitive pricing, customized manufacturing, strict quality control, and timely delivery throughout France, making us a trusted supplier of ASTM A193 Grade B7 Alloy Steel Fasteners.
Upgrade your assembly with Tubotech for excellence and built to closing. Contact us nowadays to get a quote or examine more about our product range.
Tubotech delivers precision-engineered tubing, fittings, and fasteners with innovative solutions and customizable options. Trusted for quality and durability, we serve industries requiring reliable, high-performance piping and instrumentation products.
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