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Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004For excessive-pressure, high-temperature, and heavy-load business packages, B7/2H fasteners stand out as a trusted answer recognised for their strong overall performance and reliability. Manufactured the use of excessive-grade alloy steel, ASTM A193 Grade B7 studs and ASTM A194 Grade 2H nuts go through precise quenching and tempering procedures to obtain first-rate mechanical power, hardness, and lengthy-term resistance to stress, wear, and fatigue.
These fasteners are a crucial component in oil and gas pipelines, petrochemical installations, electricity flowers, infrastructure projects, refineries, and mechanical engineering structures wherein joint integrity is non-negotiable. Their potential to maintain dimensional balance and clamping strain beneath intense thermal and stress variations makes them best for flanged joints, pressure vessels, valves, boilers, and high-load piping structures.
At Tubotech, we’re committed to production and providing B7/2H fasteners that meet or exceed ASTM, ASME, DIN, and ISO standards. Our fasteners are available in a variety of thread types, finishes, and lengths, and are engineered to deliver long-lasting overall performance even in corrosive or excessive-stress environments. Through advanced machining and strict first-rate tests, we ensure product consistency, traceability, and compliance, making Tubotech the favored desire for essential fastening answers worldwide.
| Property | ASTM A193 Grade B7 | ASTM A194 Grade 2H |
|---|---|---|
| Material | Chromium-Molybdenum Alloy Steel | Carbon Steel |
| Standards | ASTM A193 | ASTM A194 |
| Heat Treatment | Quenched and Tempered | Quenched and Tempered |
| Tensile Strength (Min) | 100 ksi (690 MPa) | – |
| Yield Strength (Min) | 85 ksi (590 MPa) | – |
| Hardness | 235 – 321 HB | 248 – 352 HB |
| Temperature Range | Up to 450°C (840°F) | Up to 450°C (840°F) |
| Common Forms | Studs, Bolts, Threaded Rods | Heavy Hex Nuts |
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.37 – 0.49 |
| Manganese (Mn) | 0.65 – 1.10 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
| Chromium (Cr) | 0.75 – 1.20 |
| Molybdenum (Mo) | 0.15 – 0.25 |
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.40 Max |
| Manganese (Mn) | 0.60 – 0.90 |
| Phosphorus (P) | ≤ 0.040 |
| Sulfur (S) | ≤ 0.050 |
| Property | B7 Studs/Bolts | 2H Nuts |
|---|---|---|
| Tensile Strength | ≥ 100 ksi (690 MPa) | – |
| Yield Strength | ≥ 85 ksi (590 MPa) | – |
| Elongation (%) | ≥ 15 | – |
| Reduction of Area (%) | ≥ 35 | – |
| Hardness | 235 – 321 HB | 248 – 352 HB |
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
Tubotech offers a complete range of B7/2H Fasteners, including:
Each kind is to be had in a couple of configurations to fit your specific system requirements.
Special sizes and non-standard threads are available upon request.
| Diameter (inch) | Weight per Foot (lbs) |
|---|---|
| ½” | 0.85 |
| ⅝” | 1.38 |
| ¾” | 2.00 |
| ⅞” | 2.71 |
| 1” | 3.63 |
| 1 ¼” | 5.84 |
| 1 ½” | 8.46 |
Note: Weight varies based on thread pitch and finish.
B7/2H Fasteners are extensively used in:
At Tubotech, we are dedicated to excellence, precision, and reliability. Here’s why main industries pick us:
Certified Quality: fasteners synthetic in compliance with ASTM, ASME, DIN, ISO, and different global standards.
Wide Inventory: Ready inventory of well known and custom-size B7/2H Fasteners.
Surface Coating Options: Available with anti-corrosive coatings tailored for your utility.
Prompt Delivery: Quick turnaround and logistics help across India and abroad.
Expert Support: Our technical team assists with choosing the right fastener on your precise necessities.
From refineries to infrastructure, Tubotech’s B7/2H Fasteners supply superior retaining energy and overall performance while it is subject to maximum. With an enterprise reputation for precision engineering and customer delight, we're your dependable partner for mission-important fastening answers. Get in touch these days to discover our B7/2H fastener range or to request a quote tailor-made on your specs.
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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