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Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004Tubotech Alloys is a leading manufacturer, supplier, and exporter of ASTM A193 Grade B7 Alloy Steel Fasteners in Germany. We offer premium-quality ASTM A193 Grade B7 Fasteners engineered for high-temperature and high-pressure applications across various industrial sectors. Our fasteners are manufactured according to international standards and undergo stringent quality testing to ensure superior strength, durability, and corrosion resistance.
ASTM A193 Grade B7 is a chromium-molybdenum alloy steel specification widely used for bolting materials in pressure vessels, flanges, valves, and fittings operating at elevated temperatures. These fasteners are heat-treated through quenching and tempering, providing exceptional tensile strength and mechanical performance.
Tubotech Alloys supplies a comprehensive range of ASTM A193 Grade B7 fasteners, including:
Our ASTM A193 Grade B7 fasteners are available in various dimensions, thread forms, and surface finishes to meet diverse industrial requirements.
| 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 chromium and molybdenum content enhances the strength, hardness, and heat 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 | 35 HRC Max |
These excellent mechanical properties make ASTM A193 Grade B7 fasteners suitable for demanding applications involving high pressures and elevated temperatures.
| Specification | ASTM A193 Grade B7 |
|---|---|
| Material Grade | Alloy Steel Grade B7 |
| Standard | ASTM A193 / ASME SA193 |
| Size Range | M6 to M100 & Custom Sizes |
| Length | Up to 5 Meters |
| Thread Type | Metric, UNC, UNF, BSW |
| Form | Bolts, Nuts, Screws, Studs, Washers |
| Heat Treatment | Quenched and Tempered |
| Finish | Black Oxide, Zinc Plated, Hot Dip Galvanized, PTFE Coated |
ASTM A193 Grade B7 alloy steel fasteners are extensively used in:
Used for flange connections, pipelines, valves, and offshore drilling equipment.
Ideal for high-temperature and high-pressure processing units.
Applied in thermal, nuclear, and renewable energy facilities.
Suitable for reactors, heat exchangers, and pressure vessels.
Used in structural steel assemblies and heavy engineering projects.
Provides excellent mechanical strength in harsh environments.
Widely utilized in refinery piping systems and critical bolted joints.
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
We manufacture ASTM A193 Grade B7 fasteners using high-grade alloy steel sourced from trusted suppliers.
Every fastener undergoes dimensional, mechanical, and chemical testing before dispatch.
We offer cost-effective solutions without compromising quality.
Tubotech Alloys supplies ASTM A193 Grade B7 alloy steel fasteners across Germany and international markets.
We provide customized dimensions, coatings, and specifications based on client requirements.
Efficient inventory management ensures fast and reliable delivery schedules.
Tubotech Alloys is recognized as a trusted supplier of ASTM A193 Grade B7 Alloy Steel Fasteners in Germany, serving industries requiring high-strength fastening solutions. Our commitment to quality, precision engineering, and customer satisfaction makes us a preferred choice for industrial fasteners worldwide. Get in Touch with Us Today.
ASTM A193 Grade B7 fasteners are heat-treated chromium-molybdenum alloy steel fasteners designed for high-pressure and high-temperature applications.
They are widely used in oil & gas, petrochemical, power generation, chemical processing, and refinery industries.
ASTM A193 Grade B7 fasteners have a minimum tensile strength of 125 ksi (860 MPa).
Yes, they are specifically designed for elevated temperature and pressure service conditions.
Yes, Tubotech Alloys offers customized ASTM A193 Grade B7 fasteners in various sizes, coatings, and specifications according to customer requirements.
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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