FabDigit

Corrosion Resistant Refractory · Tantalum

Refractory Metal Pure Ta

Refractory Metal Pure Ta is a corrosion resistant refractory refractory metal — corrosion-proof tantalum plate. Typical values: 200 MPa yield, 16.65 g/cm³, rated to 2,400 °C. Available for CNC machining, Sheet metal at FabDigit.

CNC machiningSheet metalSpecialty cost $$$$$

Properties

Typical room-temperature values in the Vacuum Annealed condition. Metric first, imperial in gray. The bars show where Pure Ta sits against the other 8 refractory metal grades in the catalog.

Datasheet

Yield strength200 MPa29 ksi
Tensile strength345 MPa50 ksi
Hardness110 HV105 HB
Density16.65 g/cm³0.602 lb/in³
Specific strength (yield ÷ density)12
Min service temp-200 °C-328 °F
Max service temp2,400 °C4,352 °F
Electrical conductivity13 % IACS7.5 MS/m
MachinabilityFair40 / 100
WeldabilityGood60 / 100
FormabilityVery good75 / 100

Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.

Against other refractory metal grades

Yield strength200 MPa 29 ksi
199 MPafamily median 290 MPa546 MPa
Tensile strength345 MPa 50 ksi
324 MPafamily median 615 MPa946 MPa
Density16.65 g/cm³ 0.602 lb/in³
8.77 g/cm³family median 10.21 g/cm³18.05 g/cm³
Hardness (HB equiv.)105 HB
98 HBfamily median 195 HB244 HB
Max service temp2,400 °C 4,352 °F
1,900 °Cfamily median 2,000 °C2,520 °C
Electrical conductivity13 % IACS 7.5 MS/m
11 % IACSfamily median 13 % IACS32 % IACS
Machinability40 / 100
34 / 100family median 40 / 10040 / 100
Relative cost150
150family median 150150

Strength versus weight in the refractory metal family

Yield strength against density for every refractory metal grade FabDigit runs. Pure Ta is highlighted; hover a dot for its name, or open the interactive family chart.

200300500101520Density (g/cm³)Yield strength (MPa) — log scalePure MoTZMMo-LaTa-2.5WPure NbC-103Pure RePure Ta

Manufacturability

The process limits FabDigit's quote engine applies to Pure Ta. Design inside these and the part quotes instantly; outside them it routes to an engineer.

CNC machining

MachinabilityFair40 / 100
Cutting speed (rough / finish) /
Minimum wall
Minimum internal radius
Drill depth limit
Best surface (machined / polished)Ra /
Hardenable after machining

Sheet metal

FormabilityBetter75 / 100
WeldabilityGood60 / 100
BendableYes

Conditions and tempers

How Pure Ta is supplied and what each state is for. The default is what FabDigit quotes unless your drawing says otherwise.

ConditionBest forYield MPaTensile MPaElong. %Hardness
Vacuum AnnealedDefault
Heat Treat State
Contamination-free Ti/Zr — implants, aerospace hardware
As Rolled
Cold Work
Mill state, no property guarantee — non-structural use

Heat treatment and post-processing

Operations FabDigit's suppliers routinely run on Pure Ta, ranked by how often they make sense for this grade.

Post-processing

Manual DeburrDeburrstandard
Edge Break (0.5mm)Deburr
CMM InspectionInspection
FAI ReportInspection
Individual BagPackaging

Surface finishes for Pure Ta

Coatings and treatments compatible with refractory metal on the processes Pure Ta runs on. Pick them in the quote configurator or call them out on the drawing.

Marking / Decoration

  • Chemical Etching
  • Dot Peen Marking
  • Electro-chemical Etching
  • Embossing / Debossing
  • Ink Stamping
  • Laser Marking
  • Mechanical Engraving
  • Steel Stamping
  • Vibro Engraving / Scribing

Equivalent designations

Standards and trade names that resolve to Refractory Metal Pure Ta in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.

UNS
R05200
Trade names
Ta CP
Other
Tantalum 99.95

Stock forms

Raw-material forms FabDigit sources Pure Ta in.

PlateSheetRodFoilWireTube

Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.