N06601/6023

    

Introduction

Nicrofer 6023 alloy is a nickel-chromium-iron alloy with excellent resistance to corrosion and oxidation at elevated temperatures. The alloy is precipitation-hardenable, and exhibits good mechanical properties at high temperatures.

The following datasheet will provide an overview of nicrofer 6023 alloy.

Chemical Composition

The chemical composition of nicrofer 6023 alloy is outlined in the following table.

Element Content (%)
Nickel, Ni 58-63
Chromium, Cr 21-25
Aluminum, Al 1-1.7
Copper, Cu 1
Manganese, Mn 1
Silicon, Si 0.5
Carbon, C 0.1
Sulfur, S 0.015
Iron, Fe Balance

Physical Properties

The following table shows the physical properties of nicrofer 6023 alloy.

Properties Metric Imperial
Density 8.11 g/cm3 0.293 lb/in3
Melting point 1360-1411°C 2480-2572°F

Mechanical Properties

The mechanical properties of nicrofer 6023 alloy are displayed in the following table.

Properties Metric Imperial
Tensile strength (Solution annealed) 760 MPa 110000 psi
Yield strength (Solution annealed) 450 MPa 65300 psi
Elongation at break (Solution annealed) 42% 42%

Thermal Properties

The thermal properties of nicrofer 6023 alloy are given in the following table.

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 13.75 µm/m°C 7.639 µin/in°F
Thermal conductivity 11.2 W/mK 77.7 BTU.in/hrft².°F

Fabrication and Heat Treatment

Machinability

Conventional machining techniques that are used for machining iron-based alloys can be used.

Forming

Nicrofer 6023 alloy has excellent ductility, and can be readily formed by all conventional techniques.

Welding

The alloy can be welded using commonly used welding techniques such as gas-tungsten arc welding, shielded metal-arc welding, gas metal-arc welding and submerged-arc welding.

Forging

The alloy can be forged in the temperature range of 1038 to 1232°C (1900 to 2250°F).

Hot Working

Hot working of nicrofer 6023 alloy can be performed in the temperature range of 871 to 1232°C (1600 to 2250°F).

Cold working

Cold working may be performed using standard tooling.

Annealing

The alloy can be annealed at 1149°C (2100°F) and then rapidly cooled to avoid thermal cracking.

Other Designations

Other designations that are equivalent to nicrofer 6023 alloy include the following:

  • AMS 5715
  • AMS 5870
  • ASTM B166
  • ASTM B167
  • ASTM B168
  • DIN 2.4851

Applications

The following are the list of applications of nicrofer 6023 alloy:

  • Annealing tubes
  • Muffles
  • Flame shields
  • Combustor components
  • Process heaters
  • Condenser tubes

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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