Corrosion Resistant Alloy Tube Inconel 600

Corrosion Resistant Alloy Tube Inconel 600

Corrosion Resistant Alloy tube, Inconel 600,601,625,690, 718. Monel 400, Description Alloy 600 is a nonmagnetic, nickel-based high temperature alloy possessing an excellent combination of high strength, hot and cold workability, and resistance to ordinary form of corrosion. This alloy also...

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Corrosion Resistant Alloy tube, Inconel 600,601,625,690, 718. Monel 400,

Description

Alloy 600 is a nonmagnetic, nickel-based high temperature alloy possessing an excellent combination of high strength, hot and cold workability, and resistance to ordinary form of corrosion.
This alloy also displays good heat resistance and freedom from aging or stress corrosion throughout the annealed to heavily cold worked condition range.

Corrosion Resistance

The high chromium content of alloy 600 raises its oxidation resistance considerably above that of pure nickel, while its high nickel content provides good corrosion resistance under reducing conditions.
This alloy exhibits high levels of resistance to stress and salt water, exhaust gases, and most organic acids and compounds.

Heat Treatment

Alloy 600 is not an age hardening alloy; cold working is the only available means of hardening. Softening by annealing begins at about 1600°F (871°C), and is reasonably complete after 10 to 15 minutes of heating at 1800°F (982°C). Above this temperature, grain growth may be objectionable, although very brief heating at 1900°F will cause complete softening without undue grain growth. Since the rate of cooling has no effect on the softening, the material may be water quenched or air cooled.

Workability

Hot Working/Forging
Low sulfur reducing furnace atmospheres should be used in forging. Major hot working should be done between 2300/1850°F, while light working may be continued as low as 1600°F. No hot working should be attempted between 1600/1200°F due to lower ductility in that range.

Machinability
Alloy 600 is machinable in both the hot worked and annealed conditions. Because considerable heat is generated in machining this alloy, high-speed steel, cast nonferrous or cemented carbide tools should be used. The tools should be kept sharp.
Lathe turning speeds with high-speed and nonferrous tools are 35/45 sfm (0.18/0.23 m/s); speeds with cemented carbide tools are 100/175 sfm (0.51/0.89 m/s). (This data should be used as a guide for initial machine setup only. The figures used are averages. On certain work, the nature of the part may require adjustment of speeds and feeds.)
Sulfur-based oil should be used as a lubricant, but should be completely removed before the machined part is exposed to elevated temperatures, as in welding.

Cold Working
For higher properties, alloy 600 can be cold worked below 1200°F (649°C).

Welding
Alloy 600 can be joined by the usual welding , brazing, and soldering process.

Typical Mechanical Properties

Various forms and conditions

Form and Condition

Tensile Strength

0.2% Yield Strength

% Elongationin 2"

%Reduction of Area

Rockwell Hardness

Rod and Bar
Cold-drawn

Annealed
As-drawn
Hot rolled
Annealed
As-rolled
Hot-finished
Strip
Annealed



80-100
105-150
 
80-100
85-120
80-120
 
80-100



552-689
724-1034
 
552-689
586-827
586-827
 
552-689



25-50
80-125
 
30-50
35-90
35-90
 
30-45



172-345
552-862
 
207-345
241-621
241-621
 
207-310



  55-35
  30-10
 
  55-35
  50-30
  50-30
 
  55-35



70-60
60-30
 
70-60
65-50
65-50
 
----



65-85B
90B-30C
 
65-85B
75-95B
75-95B
 
84B max.

Form

Condition

Ultimate Tensile Strength, Ksi (MPa)

Yield Strength at 0.2% offset, Ksi (MPa)

Elongation in 2 in. (50.8mm) or 4D, percent

Sheet
Plate

Bar/Billet
Sheet, Plate, Strip, Bar

Annealed
Annealed
Annealed
Annealed

98 (676)
95 (655)
95 (655)
80 (550)*

42 (290)
41 (283)

41 (283)
35 (240)*

40
45
45
30*

Average Room Temperature Tensile Data

* - minimum

Sheet/Plate

Round Bar

Pipe

Tube

Fittings

Forgings

ASME SB-168 AMS 5540

ASME   SB-166 AMS 5665

ASME SB-167 ASME SB-829 ASME SB-517 ASME SB-775

ASME SB-163 ASME SB-516 ASME SB751 AMS 5580

ASME   SB-366

ASME   SB-564 AMS 5665

Applications

Some typical applications are:

● Barge and tank truck liners

● Carburizing atmospheres

● Ethylene dichloride crackers

● Furnace trays, mufflers, hangers

● Gasoline stabilizer production

● MgCl2 evaporates

● Phenol condensers

● Soap manufacture

● Titanium dioxide

● Vegetable and fatty acid vessels

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