N06625

   

Introduction

Inconel 625 is a Nickel-Chromium-Molybdenum alloy with excellent corrosion resistance in a wide range of corrosive media, being especially resistant to pitting and crevice corrosion. It is a favourable choice for sea water applications.

Chemical Composition of Inconel 625

The compositional range for Inconel 625 is provided in the table below.

Element

Content

Ni

58% min

Cr

20 - 23%

Mo

8 - 10%

Nb+Ta

3.15 - 4.15%

Fe

5% max

Typical Properties of Inconel 625

Typical properties of Inconel 625 are covered in the following table.

Property

Metric

Imperial

Density

8.44 g/cm3

0.305 lb/in3

Melting point

1350 °C

2460 °F

Co-Efficient of Expansion

12.8 μm/m.°C

(20-100°C)

7.1x10-6 in/in.°F

(70-212°F)

Modulus of rigidity

79 kN/mm2

11458 ksi

Modulus of elasticity

205.8 kN/mm2

29849 ksi

Properties of Supplied Materials and Heat Treated Materials

Condition of Supply

Heat Treatment (After Forming)

Annealed/Spring Temper

Stress relieve at 260 - 370°C (500 - 700°F) for 30 - 60 minutes and air cool.

Condition

Approx Tensile Strength

Approx Service Temp.

Annealed

800 - 1000 N/mm2

116 - 145 ksi

-200 to +340°C

-330 to +645°F

Spring Temper

1300 - 1600 N/mm2

189 - 232 ksi

up to +200°C

up to +395°F

Relevant Standards

Inconel 625 is covered by the following standards:

         BS 3076 NA 21

         ASTM B446

         AMS 5666

Equivalent Materials

Inconel 625 is the tradename of Special Metals Group of Companies and equivalent to:

         W.NR 2.4856

         UNS N06625

         AWS 012

Applications of Inconel 625

Inconel 625 typically finds application in:

         Marine

         Aerospace industries

         Chemical processing

         Nuclear reactors

         Pollution control equipment

Stock

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

Use for PHE

Seamless Tube

Outer diameterΦ3-114mm?Wall Thickness0.2-4.5mm

Base on your requirement

Use for PHE

Wire

Outer diameterΦ0.1-13mm

Base on your requirement

Ni & Ni alloy, Ti & Ti alloy

Forged piece

roundness and square alloy

Base on your requirement

Steel, Alloy

Flangs

All kinds of Flangs

Base on your requirement

Steel, Alloy

Welding Material

Coil wire Φ0.90mm/1.2mm/1.6mm

Base on your requirement

Certificate of Origin?America, Sweden, Britain, Germany, Austria, Italy, France.

Straight WireΦ1.2mm/1.6mm/2.4mm/3.2mm/4.0mm

Welding rodΦ2.4mm/3.2mm/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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