Heat & corrosion resistance alloys


Nowadays more electronic components, more facilities, equipment and parts are being used in high temperatures. As a result high temperature alloys provide strength, environmental resistance and stability within the 260°C to 1205°C temperature range. They have been used generally in the presence of combustion from heat sources such as turbine engines, reciprocating engines, power plants, furnaces and pollution control equipment. These alloys are widely used in chemical processing industries, offering high resistance to uniform attack, exceptional localized corrosion and stress corrosion cracking resistance, and ease of welding and fabrication. By eliminating the need for costly workovers, high temperature and corrosion resistant alloys offer valuable life cycle cost advantages.

Produced materials

  • NiCr 80 20 Nb  – сonstruction materials.
  • Alloy 330  – is austenitic alloy dope with entity of titanium nitride has a high level of corrosion resistance, particularly to oxidation, carburization and nitridation.
  • Alloy 330 Nb  – is a special alloy similar in physical and electrical characteristics to regular NiCr 40/20 (1.4886), but additionally doped by 1.0 to 1.5% of Columbium.
  • Alloy 600 (UNS N06600 / 2.4816) – excellent oxidation resistance. Used for industrial furnace, aircrafts , and nuclear energy plant material.
  • Alloy 601 (UNS N06601 / 2.4851) – excels especially in oxidation resistance. Used for heat treatment furnaces.
  • Alloy 625 (UNS N06625 / 2.4856) – excellent oxidation and corrosion resistance to various acids. Has high fatigue strength.
  • Alloy 718 (UNS N07718 / 2.4668) – used for jet engines and rocket parts for its outstanding high-temperature strength.

Product forms

Product

    Size, mm   

Condition of supply

  wire

1.0 – 12.0

            bright annealed

  bar

5.0 – 60.0

            hot finished
            cold finished
            peeled
            bright turned
            bright annealed


Chemical composition

Alloy

C, max

Mn, max

Si, max

Cr

Ni

Mo

Fe

S, max

P, max

Ti

N

Other Nb

NiCr 80 20 Nb

0.15

2.5

1.0- 2.0

19.0-21.0

min 75.0

0.015

0.03

Alloy 330

0.15

2.0

1.2

15.0-17.0

33.0-37.0

bal.

0.015

0.03

Alloy 330 Nb

0.15

2.0

1.0- 2.0

20.0-23.0

33.0-37.0

bal.

0.015

0.03

0.11

1.0- 1.5

Alloy 600

0.15

1.00

0.35

14.0-17.0

min 72.0

6.0- 10.0

Alloy 601

0.10

1.00

1.00

21.0-25.0

58.0-63.0

bal.

Alloy 625

0.10

0.50

0.50

20.0-23.0

min 58.0

8.0- 10.0

Alloy 718

0.08

0.35

0.35

17.0-21.0

50.0-55.0

2.8- 3.3


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