Molybdenum Piercing Mandrels

Molybdenum head is a molybdenum alloy made of molybdenum titanium zirconium carbon alloy used for producing seamless steel pipe threading machine core rod heads. The chemical composition primarily consists of molybdenum (Mo) as the base, with small additions of titanium (Ti: 1.0%-2.0%), zirconium (Zr: 0.1%-0.5%), and carbon (C: 0.1%-0.5%). Impurity levels are strictly controlled.

The density is generally no less than 9.35 g/cm³, with some products reaching up to 9.7 g/cm³. The surface undergoes sintering treatment and can be further processed to achieve the required smoothness.

In terms of dimensions, the diameter ranges from 20 mm to 600 mm. Length and diameter tolerances vary depending on specific specifications.

Molybdenum Piercing Mandrels are critical components used in seamless steel pipe production. Typically made from molybdenum alloys (such as TZM alloy), they offer excellent high-temperature strength and oxidation resistance, ensuring stability under extreme heat.

High-Temperature Performance: TZM alloy has excellent high-temperature strength and creep resistance. It can maintain structural stability even under extreme heat.

Oxidation Resistance: The molybdenum alloy forms a dense oxide layer on its surface. This effectively prevents oxidation and corrosion, extending its service life.

High Density & Strength: It has a high density, usually above 9.35 g/cm³. At the same time, it offers high hardness and wear resistance.

Customization: It can be tailored to customer needs, including size, shape, and surface treatment.

1. Suitable for producing iron implantation parts

2. For producing electric light source parts, and electric vacuum components

3. For producing heating elements, and refractory parts in high-temperature furnaces

4. Used in the glass, and glass fiber industry, it can serve a long life in melted glass liquid at 1300°C

5. Used as electrodes in the field of rare earth metal industry

6. Used for piercing seamless steel tubes, such as stainless steel, borer steel, and high-temperature alloy steel.

Seamless Steel Pipe Production: This is the main application of molybdenum piercing mandrels. They are used in piercing mills to support and guide the forming process of seamless pipes, ensuring shape stability under high temperatures.

High-Temperature Industries: Due to their excellent heat resistance, these mandrels are also used in high-temperature furnace equipment and tools.

Metal Processing: In metalworking, molybdenum piercing mandrels can be used to make high-temperature tools and molds.

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 Molybdenum Piercing Mandrels?

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 molybdenum piercing mandrels?
They are high-temperature resistant tools used in seamless steel pipe production to support and guide the pipe-forming process.

What are the key properties of TZM mandrels?
High density (≥9.35 g/cm³), heat resistance, wear resistance, and structural stability at high temperatures.

What industries use these mandrels?
Mainly seamless pipe manufacturing, high-temperature furnace equipment, and metal processing industries.

What sizes are available?
Diameters typically range from 20mm to 600mm, with custom sizes available.

How long do they last?
Their lifespan depends on operating conditions, but their oxidation resistance and wear resistance ensure long service life.

Can they be customized?
Yes, they can be tailored in size, shape, and surface finish to meet specific requirements.

How are they manufactured?
Through powder metallurgy, sintering, and precision machining to ensure high density and performance.

What maintenance do they require?
Regular inspection for wear and proper cooling during operation help maintain performance.

Are they reusable?
Yes, if not severely worn or damaged, they can be reused after proper maintenance.

Where can I buy high-quality molybdenum piercing mandrels?

Our company supplies high-quality Molybdenum Piercing Mandrels along with excellent service. For detailed specifications and pricing, please contact us.

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