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Introduction of Nickel Alloy Inconel 601
Oct 20, 2017

Inconel 601 is a nickel-chromium alloy used for applications that require resistance to corrosion and heat. This nickel alloy stands out due to its resistance to high temperature oxidation, remaining highly resistant to oxidation through 2200° F. Alloy 601 develops a tightly adherent oxide scale which resists spalling even under conditions of severe thermal cycling. This nickel alloy has good high temperature strength, and retains its ductility after long service exposure. It has good resistance to aqueous corrosion, high mechanical strength, and is readily formed, machined and welded. Inconel 601’s properties make it a material of broad utility in fields like thermal processing, chemical processing, pollution control, aerospace, and power generation. However, alloy 601 is not suggested for use in strongly reducing, sulfur bearing environments.


Applications

· Chemical Processing

· Aerospace

· Heat treating industry

· Power generation

· Heat treating muffles and retorts

· Radiant tubes

· Catalyst support grids in nitric acid production

· Steam superheater tube supports


Physical Data

Density (lb / cu. in.)

0.293

Specific Gravity

8.11

Specific Heat (Btu/lb/Deg F - [32-212 Deg F])

0.107

Electrical Resistivity (microhm-cm (at 68 Deg F))

710

Melting Point (Deg F)

2460

Thermal Conductivity

87

Mean Coeff Thermal Expansion

7.6

Magnetic Permeability

1.003

Modulus of Elasticity Tension

29.95


Chemistry Data

Elements

Al

C

Cr

Cu

Fe

Mn

Ni

Si

S

Comp. %

1 - 1.7

0.1 max

21 - 25

1 max

Balance

1 max.

58 - 63

0.5 max

0.015 max.


ASTM Specifications

Pipe Smls

Pipe Welded

Tube Smls

Tube Welded

Sheet/Plate

Bar

Forging

Fitting

Wire

B167

B517

B167

-

B168

B166

B564

B366

B166


Mechanical Properties

Product Form

Condition

Tensile (ksi)

.2% Yield (ksi)

Elongation (%)

Hardness (HRB)

Rod & Bar

Hot-Finished

85-120

35-100

15-60

65-95

Rod & Bar

Annealed

80-115

30-60

40-70

60-80

Tube & Pipe

Annealed

80-110

30-60

35-65

70-95

Tube & Pipe

Cold-Drawn

--

--

--

--

Plate

Annealed

80-100

30-45

45-65

60-75

Sheet

Annealed

85-100

30-50

35-55

65-80


Form

· Sheet

· Plate

· Bar

· Pipe & Tube (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