Short Description

Model No.: ASTM-B364-Tantalum-Tungsten-Alloy-Target

China Tantalum Tungsten Alloy Target Manufacturer www.steeljrv.com supplies ASTM B364 Tantalum Tungsten Alloy Target.

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Key Specifications / Features

Type: Tantalum Tungsten Alloy Target
Standards: ASTM B364
Materials (Grade): Ta-2.5WTa-10WTa-7.5WTa40Nb, T-111, T-122etc
Size: 50-2500mm*Height 2-150mm
Technique: Forged, CNC machined

Tantalum tungsten (Taw) has good mechanical properties and excellent corrosion resistance. We add 2.5% to 10% tungsten to pure tantalum. Although the subsequent alloy is 1.4 times stronger than pure metal, it is still easy to work below 1600 ℃. Therefore, our tantalum tungsten alloys (Ta2.5w, Ta10w) are particularly suitable for heat exchangers and heating components used in the field of chemical instrument construction.

  • Ta-10w target
  • Ta-2.5w target
  • Ta-7.5w target
  • TaNb3 target
  • TaNb20 target
  • TaNb30 target
  • Ta40Nb target
  • T-122 target
  • T-111 target

Tantalum and Tantalum Alloy UNS Grade

UNS R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both.

UNS R05400, unalloyed tantalum, powder-metallurgy consolidation.
Ta-10W (UNS R05255), tantalum alloy, 90 % tantalum, 10 % tungsten, electron-beam furnace of vacuum-arc melt, or both.

90% Tantalum 10% Tungsten (Ta-10W) alloy is perfect for high pressure, high temperature and anti-corrosion. It is widely used in chemical, aerospace, atomic industry and high temperature components. Ta-10W alloy can be used in liquid rocket engine thrust chambers whose gas temperature is above 3300 ˚C, high temperature parts of high temperature vacuum furnace heating element. Ta-10W can also be used as fasteners in chemical industrial corrosion protection.
Ta-2.5W (UNS R05252), tantalum alloy, 97.5 % tantalum, 2.5 % tungsten, electron-beam furnace or vacuum-arc melt, or both.

97.5% Tantalum 2.5% Tungsten (Ta-2.5W) alloy is widely applied in chemical industry. The corrosion resistance of tantalum-tungsten alloy is better than pure tantalum. Ta2.5W can be used as the corrosion protection component of heat exchange equipment in chemical industry, pipe and lining, anti-corrosion of instrument and instrument, crucible of rare earth smelting, etc.

TaNb3 (99.7% Pure Tantalum,3% Pure Niobium).
TaNb20 (80% Pure Tantalum,20% Pure Niobium).
TaNb30 (70% Pure Tantalum,30% Pure Niobium).
Ta40Nb (UNS R05240), tantalum alloy, 60 % tantalum, 40 % niobium, electron-beam furnace or vacuum-arc melt.

60%Tantalum 40%Niobium (Ta40Nb) can be made into different shapes such as pipe, rod and wire. Ta-40Nb pipes are mainly used for chemical reaction vessels, heat exchangers, pipes and thermocouple pipes. Ta-40Nb alloy has the advantages of high melting point, corrosion resistance and good cold processing. It is widely used in chemical, atomic, aerospace and other industrial fields.
Ta7.5W, 92.5% tantalum, 7.5% Pure tungsten.

T-122, Tantalum tungsten hafnium alloy is made from a certain amount of tungsten and hafnium added to the base of tantalum. tantalum tungsten hafnium alloy has excellent thermal stability and high creep strength in the temperature range from 93 ˚C to 1426˚C. Since the year of 1960 to 1963, the United States successfully developed Ta10W – 2.5 Hf – 0.01Zr-0.1Nb – 0.02Mo alloy. Tantalum tungsten hafnium alloy is divided into solid – soluble strengthening alloy and dispersion strengthened alloy by reinforcement schedule.

T-111, Tantalum tungsten hafnium alloy is made from a certain amount of tungsten and hafnium added to the base of tantalum. It was developed on the basis of the tungsten alloy.The active element hafnium and interstitial element oxygen and carbon generate diffuse HfO2 and HfC particles, improve the creep strength of the alloy and the corrosion resistance of alkali metals. From 1960 to 1963, the United States sucessfully developed Ta-8W-2Hf-0.1Zr-0.1Nb-0.4Mo alloy. Tantalum tungsten hafnium alloy is divided into solid – soluble strengthening alloy and dispersion strengthened alloy by reinforcement schedule.

Chemical Composition % of Tantalum Tungsten Alloy Target

ASTM B364, B365, B521, B708:
(Content, Maximum Weight %)

Element

Electron Beam Cast (R05200)
Unalloyed Ta

Sintered
(R05400)
Unalloyed Ta

Electron Beam Cast Ta-10W (UNS R05255)
90% Ta 10% W

Electron Beam Cast Ta-2.5W (UNS R05252)
97.5% Ta 2.5% W

Electron Beam Cast Ta40Nb (UNS R05240)
60% Ta 40% Nb

C

0.010

0.010

0.010

0.010

0.010

O

0.015

0.030

0.015

0.015

0.020

N

0.010

0.010

0.010

0.010

0.010

H

0.0015

0.0015

0.0015

0.0015

0.0015

Nb

0.100

0.100

0.100

0.500

35.0-42.0

Fe

0.010

0.010

0.10

0.010

0.010

Ti

0.010

0.010

0.10

0.010

0.010

W

0.050

0.050

9.0-11.0

2.0-3.5

0.050

Mo

0.020

0.020

0.020

0.020

0.020

Si

0.005

0.005

0.005

0.005

0.005

Ni

0.010

0.010

0.010

0.010

0.010

Ta

remainder

remainder

remainder

remainder

remainder

Non International Standard Ta-7.5W Chemical Composition (wt% ≤)
Grade O C N H Fe Ni Cr Si Nb Cu W Mo Mn Ti Al Zr Ta
Ta-7.5W 0.0150 0.0100 0.0015 0.0100 0.0100 0.0020 0.0050 0.5000 7-8.5 0.0200 0.0100 Balance

Mechanical Properties of Tantalum Tungsten Alloy Target

Mechanical Properties of Ta-2.5W
Alloy Test Temperature/ °C  Tensile Strength/MPa Yield Strength/MPa Elongation/%
Ta-2.5W 21 276 193 20
750 179 83 22
1000 124 69 20
Mechanical Properties of Ta-10W
Alloy Test Temperature/˚C  Tensile Strength/MPa Yield Strength/MPa Elongation/%
Ta-10W 21 548.8 459.6 25
1316 274.4 240.1
1927 68.6 61.7
Mechanical Properties of Ta-7.5W
Products Temperature/˚C Tensile Strength/MPa Yield Strength/MPa Elongation/%
Ta-7.5W 21 569.4 336.1 26
Ta Alloys Mechanical Property (21˚C)
Products Modulus of Elasticity/MPa  Tensile Strength/MPa Yield Strength/MPa Elongation/% Material Form
T-122 203 890 703 773 30 Rod, Plate
Ta Alloys Mechanical Property (21˚C)
Products Modulus of Elasticity/MPa  Tensile Strength/MPa Yield Strength/MPa Elongation/% Material Form
T-111 703 773 29 Various Forms

Corrosion Rate in Different Concentrations of Sulfuric Acid

Ta-2.5W Corrosion Rate in Different Concentrations of Sulfuric Acid
Temperature Corrosion Rate/mm·a-1
85.43%H2SO4 90.20%H2SO4 95.31%H2SO4
175 0.01042 0.01167 0.01174
200 0.03374 0.0326 0.03453
250 0.27361 0.27773
Ta-7.5W Corrosion Rate in 98% Sulfuric Acid
Temperature/˚C Corrosion Rate/mm·a-1
180 0.0076
209 0.033

Physical Properties of Tantalum Tungsten Alloy Target

T-111 Alloys Physical Properties
Products Nominal composition(wt%) Physical Properties
Density/g·cm-3 Melting Point/˚C Coefficient of Line-Expansion/10-6K-1 Recrystallization Temperature/˚C Annealing Temperature/˚C Extension of Brittle Transition Temperature/˚C
T-111 Ta-8W-2Hf-0.1Zr-0.1Nb-0.04Mo 16.73 2982 4.2 (1649˚C) 1427 – 1649 1093 – 1316 – 196
T-122 Alloys Physical Properties
Products
Nominal
composition(wt%)
Physical Properties
Density/g·cm-3 Melting Point/˚C Coefficient of Line-Expansion/10-6K-1 Recrystallization Temperature/˚C Annealing Temperature/˚C Extension of Brittle Transition Temperature/˚C
T-122
Ta-10W-2.5Hf-
0.1Zr-0.1Nb-
0.02Mo
16.79 3027 1538 – 1649 1093 – 1316 – 196
Ta-10W Alloys Physical Properties
Products Physical Properties
Density/g·cm-3 Melting Point/˚C Coefficient of Line-Expansion/10-6K-1 Recrystallization Temperature/˚C Annealing Temperature/˚C Extension of Brittle Transition Temperature/˚C
Ta-10W 16.84 3033 3.74 (1649˚C) 1316 – 1538 1203 – 1232 – 196

Status and specifications of tantalum tungsten alloy target are shown in Table 1:

Grade Supply state Specification (mm) Varieties
Thickness Width Length
Ta1 Hard state (Y) 0.0250.09 <150 >200 Strip
Ta2
R05200
R05400
R05255(Ta10W) Hard state (Y) 0.10.5 50300 1002000 Sheet
R05252(Ta2.5W) Soft state (M) >0.52.0 50500 501200
Ta7.5W >2.06.0 50500 501200

Thickness, width, length and allowable deviation are shown in Table 2:

Thickness Allowable thickness deviation Width Width allowable deviation Length Length allowable deviation
Level 1 Level 2
0.0250.07 ±0.005 ±0.006 70150 ±2.0 ≥1000
>0.070.09 ±0.006 ±0.008 70150 ±2.0 ≥1000
0.10.20 ±0.015 ±0.02 50300 ±2.0 1002000 ±3.0
>0.20.30 ±0.02 ±0.03 50300 ±2.0 1002000 ±3.0
>0.300.50 ±0.03 ±0.04 50500 ±2.0 1002000 ±3.0
>0.500.80 ±0.04 ±0.06 50500 ±2.0 501200 ±3.0
>0.801.0 ±0.06 ±0.08 50500 ±2.0 501200 ±3.0
>1.01.5 ±0.08 ±0.10 50500 ±3.0 501200 ±4.0
>1.52.0 ±0.12 ±0.14 50500 ±3.0 501200 ±4.0
>2.03.0 ±0.16 ±0.18 50500 ±5.0 501200 ±5.0
>3.04.0 ±0.18 ±0.20 50500 ±5.0 501200 ±5.0
>4.06.0 ±0.12 ±0.24 50500 ±5.0 501200 ±5.0
>6.030.0 ±0.24 ±0.50 50500 ±5 501200 ±5.0

China Tantalum Tungsten Alloy Target Manufacturer www.steeljrv.com supplies ASTM B364 Tantalum Tungsten Alloy Target.

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