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Inconel 601 (UNS N06601) Description

Ni 61 Fe Bal Cr 23 Al 1.4 C 0.10 Mn 1.0 S 0.015 Si 0.5

High Performance Alloys stocks and produces Inconel 601 in this grade in the following forms: Bar, sheet, plate, coil and pipe. Request quote on this grade.

 

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Overview

Inconel 601 nickel-chromium-iron alloy is a general-purpose engineering material for applications that require resistance to heat and corrosion. The outstanding characteristic of Inconel 601 is its resistance to high-temperature oxidation. The alloy also has good resistance to aqueous corrosion, has high mechanical strength, and is readily formed, machined, and welded.

The limiting chemical composition of Inconel 601 is listed in Table 1. The composition is a face-centered-cubic solid solution with a high degree of metallurgical stability. The alloy’s nickel base, in conjunction with a substantial chromium content, provides resistance to many corrosive media and high-temperature environments. Oxidation resistance is further enhanced by the aluminum content.

 

Characteristics

  • The most important property of Inconel 601 is resistance to oxidation at very high temperatures up to 1250C. Even under severe conditions such as, cyclical heating and cooling. This is possible due to Inconel 601 having a tightly adherent oxide layer which is resistant against spalling.
  • Resistance to carburization is good, also resistant to carbon nitriding conditions.
  • Due to high chromium and some aluminum content, good resistance in oxidizing sulfur bearing atmospheres at elevated temperatures is demonstrated.

Applications

  • Trays, baskets and fixtures used in various heat treatments such as carburizing and carbon nitriding.
  • Refractory anchors, strand annealing and radiant tubes, high velocity gas burners, wire mesh belts etc.
  • Insulating cans in ammonia reformers and catalyst support grids used in nitric acid production.
  • Thermal reactors in exhaust system of petrol engines.
  • Fabricated combustion chambers.
  • Tube supports and ash trays in the power generation industry.

Chemistry

Chemical Requirements

Ni

Cr

C

Mn

Si

S

Fe

Max

63.0

25.0

0.10

1.0

1.0

0.015

Bal

Min

58.0

21.0

 

Physical Properties

Density 8.1 g/cm cube
Specific Heat 461 J/kg K
Electrical Resistivity 119 micro ohms cm
Curie Temperature -190 C
Melting Range 1320 - 1370 C
Thermal Expansion(10-6K) 14.9 (20-300 C)

Tensile Data

Mechanical Property Requirements

Ultimate Tensile

Yield Strength (0.2% OS)

Elong. in 2 in., or 50mm or 4D, min., %

R/A

Hardness

Cold Worked/Annealed

Min

80 KSi

30 KSi

30

Max

Min

550 MPa

205 MPa

Max

Hot Worked/Annealed

Min

80 KSi

30 KSi

30

Max

Min

550 MPa

205 MPa

Max


 

Specifications

Form

Standard

Metal Type

UNS N06601

Bar

ASTM B166 Din 17752

Wire

Sheet

ASTM B168 Din 17750

Plate

ASTM B168 Din 17750

Fitting

 

Forging

Din 17754

Weld Wire

FM 82

Weld Electrode
FM 617
Din
2.4851

 

 

Machining

MACHINING DATA
Carbide tools are suggested
for rates better than 50% of Type 304.
Machining Type Suggested starting rates are:
Single Point turning : Roughing - 0.15" depth, 0.015"/rev feed -175 SFM
Finishing - 0.025" depth, 0.007"/rev feed - 200 SFM
Drilling : 1/4" Dia hole - 0.004"/rev feed - 60 SFM
1/2" Dia hole - 0.007"/rev feed - 60 SFM
3/4" Dia hole - 0.010"/rev feed - 60 SFM
Reaming : Feed - same as drilling - 100 SFM
Side and Slot Milling : Roughing - 0.25" depth - 0.007"/tooth feed - 125SFM
Finishing - 0.050" depth - 0.009"/tooth feed - 140SFM
These rates are for carbide tools,
Type C-2 for roughing, drilling and reaming.
Type C-3 for finishing.

 

INCONEL® is a registered trademark of the INCO family of companies.

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