25 Years Factory Titanium alloy 6Al-2Sn-4Zr-2Mo UNS R54620 for European Manufacturers

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HY Titanium 6-2-4-2 Material grades and equivalents

6Al-2Sn-4Zr-2Mo, 6-2-4-2 Titanium, 6-2-4-2, UNS R54620

Introduction

A near-alpha alloy, primarily used for high strength and toughness, with good creep resistance up to 1000°F. Forging and machining characteristics similar to those of Ti 6Al-4V. Applications include compressor components, hot airframe skin, and engine afterburner structures. The weld ability of Ti 6-2-4-2 is fair, using AMS 4952 weld wire. Several different treatments are available.

Chemistry Composition

 

Al

Sn

Zr

Mo

C

N

H

O

Si

Fe

Y

Others,
Each

Others,
Total

Ti

MIN

5.5

1.8

3.6

1.8

-

-

-

-

0.06

-

-

-

-

-

MAX

6.5

2.2

4.4

2.2

0.05

0.05

0.015

0.12

0.1

0.25

0.005

0.1

0.3

Balance

Features

  • Machinability similar to austenitic stainless steels
  • Easily welded if proper precautions are taken to prevent oxygen, nitrogen and hydrogen contaminations
  • Long term stability for temperatures up to 800°F

Applications

  • Compressor discs, blades
  • Airframe structure, skin
  • Engine afterburner components
  • Hush kits

Physical Properties

Density: 0.160 lb/in3

Beta Transus: 1825±25°F
Thermal Conductivity: 4.00 Btu • hr/ft2 • hr°F
Coefficient of Thermal Expansion: 32-212°F 4.3 x10-6 in/in°F
Modulus of Elasticity: 16.5×106 psi

Mechanical Properties

Minimum Tensile Properties, AMS 4919, Duplex Annealed

Thickness, in

0.025 ≤ 0.062

> 0.062 ≤ 1.000

> 1.000 ≤ 3.000

Tensile Strength, ksi

135,000

135,000

135,000

0.2% offset Yield Strength, ksi

125,000

125,000

125,000

Elongation, %

8

10

10

Regular shape for all kinds of alloys
Form Specification Supply Form Others
Sheet Thickness:0.40-4.75mm,General Width:1000、1219、1500mm Whole Coil or piece of it Cold Annealed,Surface 2B、2E
Plate Thickness:4.76-60mm,Width:1500、2000、2500mm,Length:3000、6000、8000、8500mm(Under 10mm plate can be coiled) Whole Coil or piece of it Single hot rolling,Solid solution annealed state,Surface 1D
Belt Thickness:0.10-3.0mm,Width:50-500mm Whole Coil or Specified size Cold Annealed,Surface 2B、2E
Bar & Rod Rolled barΦ5-45mm,Length≤1500mm Polished Bar(circle、Square) Solution annealing,descaling
Forged barΦ26-245mm,Length≤4000mm
Weld tube Outer diameterΦ4.76-135mm,Wall Thickness0.25-4.00mm,Length:≤35000 mm Base on your requirement
Seamless Tube Outer diameterΦ3-114mm,Wall Thickness0.2-4.5mm Base on your requirement
Wire Outer diameterΦ0.1-13mm Base on your requirement Ni & Ni alloy, Ti & Ti alloy
Forged piece discs,rings,squares,blocks,slabs Base on your requirement Steel, Alloy
Flangs All kinds of Flangs Base on your requirement Steel, Alloy
Welding Material Coil wire Φ0.025mm-1.6mm Base on your requirement Certificate of Origin:America, Sweden, Britain, Germany, Austria, Italy, France.
Straight WireΦ1.6mm-4.0mm
Welding rodΦ1.2mm-4.0mm
Tube Elbow, three links, four links, different diameter size Base on your requirement Ni & Ni alloy, Ti & Ti alloy
Explosive bonded laminate Raw Sheet Thickness≥2mm Base on your requirement Ni & Ni alloy, Ti & Ti alloy

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