INCONEL® Alloy 601 / N06601

Other common names: Alloy 601

Super alloys or high performance alloys are strengthened by performing solid-solution hardening, work hardening, and precipitation hardening. They have good creep and oxidation resistance, and consist of elements in a variety of combinations to achieve the desired result. They can be used at very high temperatures and mechanical stress, and also where high surface stability is required.

Inconel 601™ is a nickel-chromium-iron alloy having high temperature oxidation resistance. The following datasheet provides more details about Inconel 601

ASTM Specifications

Other Designations

Other designations that are equivalent to Inconel 601™ include:

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

     

In what form is Inconel 601 available at Sagar steels?

• Sheet
• Plate
• Bar
• Pipe & Tube (welded & seamless)
• Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
• Wire

    

Chemical Composition

The following table outlines the chemical composition of Inconel 601™.

Element	Content (%)
Nickel, Ni	58-63
Chromium, Cr	21-25
Iron, Fe	13
Aluminum, Al	1-1.70
Copper, Cu	≤ 1
Manganese, Mn	≤ 1
Silicon, Si	≤ 0.50
Carbon, C	≤ 0.10
Sulfur, S	≤ 0.015

Physical Properties

The physical properties of Inconel 601™ are given in the following table.

Properties	Metric	Imperial
Density	8.11 g/cm3	0.293 lb/in3
Melting point	1349°C	2460°F

Mechanical Properties

The mechanical properties of Inconel 601™ are displayed in the following table.

Properties	Metric	Imperial
Tensile strength (solution annealed/value at room temperature)	760 MPa	110000 psi
Yield strength (@ strain 0.200%, solution annealed/value at room temperature)	450 MPa	65300 psi
Elongation at break	42%	42 %

Thermal Properties

The thermal properties of Inconel 601™ are highlighted 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/hr.ft².°F

     

Characteristics :

• Outstanding oxidation resistance to 2200° F
• Resists spalling even under severe thermal cycling conditions
• Highly resistant to carburization
• Good creep rupture strength

Metallurgical stability Machinability

Inconel 601™ can be machined using conventional machining methods which are used for iron-based alloys. Machining operations are performed using commercial coolants. High-speed operations such as grinding, milling or turning, are performed using water-based coolants. Heavy lubricants are used for tapping, drilling, boring, or broaching.

Forming

Inconel 601™ is formed using all conventional techniques.

Welding

Inconel 601™ is welded using gas-tungsten arc welding, gas metal-arc welding, shielded metal-arc welding, and submerged-arc welding methods.

Heat Treatment

Inconel 601™ does not respond to heat treatment.

Forging

Inconel 601™ is forged at 1038 to 1233°C (1900 to 2250°F)

Hot Working

Inconel 601™ is hot worked at 872 to 1233°C (1600 to 2250°F)

Cold Working

Inconel 601™ can be cold formed using standard tooling.

Annealing

Inconel 601™ is annealed at 1149°C (2100°F). It is then cooled at temperatures ranging from 538 to 760°C (1000 to 1400°F) in order to prevent thermal cracking.

Hardening

Inconel 601™ can be hardened only by cold working.

Applications

Inconel 601™ is used in heat treat furnace fixtures and components such as muffles, annealing tubes, and flame shields. It can also be used in chemical process equipments which include process heaters, combustor components, and condenser tubes.

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