Refractory-Metal Sourcing Guide

Tungsten & Molybdenum Size Ranges — How to Read a Global Sourcing Envelope

Tungsten molybdenum size ranges describe a market-wide sourcing envelope. They are not an MNK stock list and do not prove that every extreme dimension is available in one product.

What “Typical Global Sourcing Range” Means

MNK-G.S.A uses published capabilities from multiple specialist manufacturing routes to understand whether an inquiry is commercially and technically realistic. The resulting range describes what may be sourced across the global market, subject to the exact material, specification, form, dimensions, condition, quantity and documentation.

It does not mean that MNK holds every size in stock, that one factory makes the entire range or that today’s availability is guaranteed before a manufacturer confirms the complete requirement.

A Range Is Not One Guaranteed Size Combination

Published statementCorrect readingStill to be confirmed
Pure molybdenum rod / bar Ø0.5–150 mm; typical lengths to approximately 3,000 mmThe family includes diameters between Ø0.5 and Ø150 mm, while longer lengths may be possible only for selected diameters.Maximum length at the requested diameter, condition and tolerance.
Pure tungsten foil / sheet / plate 0.006–100 mm thickness; width to approximately 500 mm and length to approximately 2,000 mmThe family covers thin and thick products, but the maximum width and length depend on thickness and manufacturing source.The complete thickness, width, length, condition and flatness combination.
Custom parts according to drawingNo universal size table is appropriate.Starting stock, geometry, tolerances, inspection, quantity and manufacturing route.

Rod and Wire: Diameter Controls Length

Fine wire may be supplied continuously on spools, while larger wire, rod and bar are produced in straight lengths. The maximum length usually falls as diameter, straightness, grinding allowance or dimensional precision increases. A long published length for a small diameter must not be transferred to the maximum diameter in the same range.

  • State the exact diameter or cross-section.
  • State finished length, random length or spool requirement.
  • Define straightness, diameter tolerance and surface condition.
  • Separate micro rod, drawn wire and general bar when their manufacturing routes differ.

Foil, Sheet and Plate: Thickness Controls Format

The thinnest foil, widest sheet and thickest plate normally come from different processing routes and may come from different manufacturers. Width, length, flatness, rolling direction, surface condition and heat-treatment condition must therefore be checked at the requested thickness.

Never combine the minimum thickness, maximum width and maximum length into one implied product unless the complete combination has been confirmed.

Material and Production Route Change the Envelope

Material Variables

  • Pure metal or alloy composition
  • Powder-metallurgy or melted route
  • Worked, stress-relieved or recrystallized condition
  • Grade-specific certification requirements

Commercial Variables

  • Minimum production quantity
  • Standard mill size or custom production
  • Machining and inspection allowance
  • Current production schedule and destination

How MNK-G.S.A Uses Range Confidence

  • High confidence: a conservative range can be shown as a typical global sourcing capability.
  • Medium-high confidence: the range is shown with a source, specification or condition caveat.
  • Medium confidence: the page states a typical specialist range or custom dimensions on request instead of a firm min/max.

This approach keeps the website useful for preliminary engineering while preventing a benchmark from becoming an unsupported promise of stock or production capacity.

Information Needed to Check a Size

  • Material, grade, composition and governing specification
  • Product form and all dimensions as one complete combination
  • Tolerances, straightness, flatness, condition and surface finish
  • Quantity or weight, including repeat-demand expectation
  • Inspection documents and test requirements
  • Delivery destination and required date

Related MNK-G.S.A Material Pages

Send the Complete Size Combination

MNK-G.S.A will check the requested material, dimensions, tolerances, quantity and documentation against suitable specialist manufacturing sources.

MNK-G.S.A | Industrial Procurement & Sourcing | mnkmetals.com | sales@mnkmetals.com

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