HD17BB Tungsten Alloy Block

HD17BB tungsten alloy rod provides the benefits of both iron and copper. Its ingredient is 90% tungsten,6% nickel and 4% copper/iron. It is Class 1 product of ASTM-B-777 tungsten alloy rod. While still an excellent choice for tooling, it is also recognized as a cost-effective alternative to traditional tungsten, nickel, and iron alloys. HD17BB meets the requirements for AMS-7725, AMS-T-21014, MIL-T-21014D, as well as the current ASTM-777-07 Class 1 specifications.

HD17BB tungsten alloy blocks are widely used in various fields due to their high density, strength, and low magnetism.
In aerospace, they serve as counterweights and inertial system components. In the medical field, they are used for X-ray shielding and radioactive equipment. In oil and gas, they are applied in well-logging tools. For machining, they function as tool holders. In defense, they provide solutions for counterweights and shielding parts.

Density: 17 Gms/cc and 0.614 Lbs/ in3
Hardness Rockwell: 24C
Ultimate Tensile Strength: 110,000 PSI
Yield Strength(2% offset): 90,000 PSI
Elongation: 8 % in 1"
Proportional Elastic Limit: 45,000PSI
Modules of Elasticity: 40 x 106 PSI
Coefficient of Thermal Expansion: 5.4 X 10-6/°C (20~400°C)
Thermal Conductivity: 0.23 CGS Units
Electrical Conductivity: 14 % IACS
Magnetic Properties: Slightly Magnetic
ASTM-B-459-67: Class 1

High Density: With a density of 17 g/cm³, it performs well in applications requiring dense materials, such as counterweights or balancing blocks.

High Strength: It has an ultimate tensile strength of 110,000 PSI and a yield strength of 90,000 PSI, so it can withstand heavy mechanical stress.

Good Thermal Properties: Its thermal expansion coefficient is low (5.4×10⁻⁶/°C at 20~400°C), and its thermal conductivity is high (96.0 W/m·K). As a result, it maintains dimensional stability in high-temperature environments and efficiently transfers heat, reducing thermal fatigue.

Low Magnetism: It is slightly magnetic, making it ideal for applications sensitive to magnetism, such as electronic sensors and medical devices.

Good Machinability: Although tungsten is naturally brittle, adding alloy elements significantly improves HD17BB's machinability. Therefore, it can be processed into various shapes and sizes.

Aerospace Applications:
Used in aircraft inertial systems, fluid control systems, and counterweights. Its high density and strength help optimize weight distribution and structural strength of aircraft.

Medical Field:
Applied in medical equipment like X-ray collimators and radiation therapy devices. It's also used in isotope production, transport, and storage systems. Its radiation shielding properties effectively protect both patients and medical staff.

Oil & Gas Industry:
Used in well-logging equipment for exploration. The high density and strength ensure stable performance in high-pressure, high-temperature downhole environments.

Machining Applications:
Serves as lathe tool holders to improve machining stability and precision while reducing vibration.

Defense Sector:
Used for counterweights and radiation shielding components. Its high strength and low magnetism make it valuable for military equipment.

FAQ

Are you a factory or manufacturer?

A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.

What is the delivery method?

A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.

Why is your product so cost-effective?

A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.

Do you do spot quality inspection or full inspection?

A: 100% full inspection for sure. All unqualified products are discarded.

How do you ensure your lead time?

A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.

What is the MOQ of tungten target ?

A: Depends on quantity, generally, no MOQ limit.

How to pay for it?

A: A bank transfer (T/T) will be acceptable.

What is the delivery time?

A: around 7-20 days which depends on the quantity and production.

What is kind of the package?

A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo

What is the lead time?

A: from order placed to cargo receiving will take around 10-25 days.

What are the key properties of HD17BB Tungsten Alloy?
A: HD17BB features:
• High density (17 g/cm³)
• Superior strength (110,000 PSI tensile)
• Excellent thermal stability
• Low magnetic permeability
• Good machinability

In which industries is HD17BB commonly used?
A: Our tungsten alloy serves five core sectors:

Aerospace

Medical

Oil & Gas

Precision Machining

Defense

Why choose HD17BB for radiation shielding?
A: With 17g/cm³ density and radiation-absorbing properties, it provides:
✓ 30% better shielding than lead
✓ Non-toxic alternative
✓ Structural durability

How does it perform in high-temperature environments?
A: The alloy maintains:
→ Low thermal expansion (5.4×10⁻⁶/°C)
→ High conductivity (96 W/m·K)
→ Stable performance up to 400°C

Can HD17BB be custom machined?
A: Yes! Despite tungsten's hardness, our alloy offers:
• Improved machinability
• Tolerance of ±0.05mm
• Custom shapes/sizes

What makes it ideal for aerospace applications?
A: Key advantages include:
✔ Optimal weight-to-volume ratio
✔ Vibration damping
✔ Corrosion resistance

Where can I get technical specifications?
A: Contact our engineering team for:
• Material Certificates
• Test Reports
• Application Guidelines

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