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Molybdenum Rod/Bar, Mo Metal and Alloy

HTMO1078

New product

The Molybdenum Rod/Bar is made by sintering molybdenum powder and has a high melting point, good thermal conductivity, and low thermal expansion. It is used to produce electric vacuum devices, high-temperature heating elements, etc. Heeger Materials offers top-quality Molybdenum Rods/Bars at competitive prices, with customized options for dimensions to meet specifications.

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Data sheet

ShapeRound, Square
MaterialsMolybdenum metal/TZM/MoLa Alloy
Purity99.95%
StandardASTM B387

More info

Molybdenum Rods/Bars, formed by sintering molybdenum powder, feature a high melting point, excellent thermal conductivity, and low thermal expansion. They are utilized in manufacturing electric vacuum devices, light source components, high-temperature heating elements, structural parts, and electrodes. Additionally, they have broad applications in high-temperature equipment like vacuum furnaces, glass melting furnaces, and ceramic kilns. The Molybdenum rods in a length of up to 26 feet and a diameter of up to 6.0 inches.

Molybdenum Rod/Bar, Mo

Molybdenum Rod Selection Guide

Molybdenum rods are selected for high-temperature strength, low vapor pressure, good thermal conductivity and dimensional stability in vacuum or protective atmospheres. When requesting a quote, specify purity, diameter, length, straightness, surface condition, tolerance and whether the rod will be used for electrodes, furnace hardware, supports or machined components.

Related Refractory Metals

Browse molybdenum products for sheets, plates, tubes and crucibles. For higher density or extreme-temperature requirements, compare tungsten products; for corrosion-resistant chemical environments, see tantalum products.

FAQ

Can molybdenum rods be supplied in custom diameters? Yes. Heeger Materials can review custom diameter, length, tolerance, surface finish and quantity requirements for research or production use.

Molybdenum Rod and Molybdenum Bar Specifications

Size

Diameter: 0.125 inches ~ 4.0 inches*
Length: < 10 feet

Material

Pure Mo361, MoTZM (Mo364), Mo-Lanthanoxid (ML)

Standard

ASTM B387

Purity

99.95%, 99.99%

*If the diameter is <0.125”, please check our Molybdenum wire.

Molybdenum Rod and Molybdenum Bar - heegermaterials

Molybdenum Rod Surface

  • Cleaned: The surface is chemically cleaned to remove all lubricants and oxides.
  • Black: The surface is either as swaged or as drawn and retains a coating of processing lubricants and oxides.
  • Ground: The surface is center-less ground to remove all coating and to achieve precise diameter control.

How to remove the black oxide layer on the surface of the molybdenum rod?

  • Molybdenum products have the characteristics of easy oxidation. When heavy oxides need to be removed, use strong acids (fluoric acid, nitric acid, hydrochloric acid, etc.) to treat. Please pay attention to the operation.
  • Mild oxide with the addition of an abrasive cleaning agent, with a soft cloth or sponge, wipe, and then wash with warm water.
  • Cleaned molybdenum products will lose the metallic luster, please pay attention.

Molybdenum Round Rod Dimensions

Diameter (inch)

Length (inch)

Diameter Tolerance (inch)

Length Tolerance (inch)

0.08 - 0.40

<315

±0.005

+0.08, -0

0.40 - 0.80

<118

±0.010

+0.08, -0

0.80 - 4.00

<78

±0.015

+0.08", -0

>4.00

<40

±0.025

+0.08, -0

Molybdenum Square Bar Dimensions

Width (mm)

Thickness (mm)

Length (mm)

Length Tolerance (mm)

15

15

600

+1, -0

20

20

1000

+1, -0

45

45

1200

+2, -0

60

60

1500

+3, -0

Molybdenum Rod/Bar Applications

  • Used to manufacture electric vacuum devices and electric light source parts.
  • Suitable for processing ion-implanted parts.
  • Used as the high-temperature heating element and high-temperature structural parts.
  • Used as the electrode of the furnace in the glass and refractory fiber industry. It works in 1300℃ molten glass and has a long life.
  • Used as an electrode in the rare earth industry.

Molybdenum Rod/Bar Packing

The Molybdenum Rods and Bars will be carefully packaged in wooden cases, with additional support from soft materials, to prevent any shifting or movement during transit.

molybdenum-rod-bar-packingMolybdenum (Mo) Rod/Bar Packing

Molybdenum Rod Inventory List

Molybdenum Rod Available Dimensions

ASTM B-387 Type 361

.060” diameter × r/l’s

.250” diameter × r/l’s

1.010” diameter × r/l’s

.062” diameter × r/l’s

.3125” diameter × r/l’s

1.125” diameter × r/l’s

.070” diameter × r/l’s

.375” diameter × r/l’s

1.250” diameter × r/l’s

.080” diameter × r/l’s

.437” diameter × r/l’s

1.500” diameter × r/l’s

.100” diameter × r/l’s

.510” diameter × r/l’s

1.750” diameter × r/l’s

.125” diameter × r/l’s

.525” diameter × r/l’s

2.000” diameter × r/l’s

.132” diameter × r/l’s

.625” diameter × r/l’s

2.250” diameter × r/l’s

.1875” diameter × r/l’s

.760” diameter × r/l’s

2.600” diameter × r/l’s

.890” diameter × r/l’s

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