Blog Nickel-Based Material Profiles: Part 1

By: Dave Olsen

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Grade

  • MTEK N-7M and N-12MV (N30007 / Similar to Hastelloy® B Mod) severe corrosion and heat resistant alloy.

Description

  • Nickel-Moly alloys.  

Properties – Why select this material

  • Excellent strength and ductility at ambient and elevated temperatures.
  • Resistant to oxidizing conditions up to 1400°F / 760°C and up to substantially higher temperatures in reducing conditions.

Applications – Frequent uses

  • Suited for handling HCl, all concentrations and temperatures to boiling point.
  • Gas turbine components
  • Chemical processing equipment

Grade

  • MTEK CW-12MW (N30002 / Similar to Hastelloy® C-276) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Moly alloy.  

Properties – Why select this material

  • Resistance to oxidizing and reducing corrosives
  • Resists pitting and stress corrosion cracking

Applications – Frequent uses

  • Pump internals
  • Valve internals

Grade

  • MTEK CW-12MW (N30002 / Similar to Hastelloy® C-276) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Moly alloy.  

Properties – Why select this material

  • Resistance to oxidizing and reducing corrosives
  • Resists pitting and stress corrosion cracking

Applications – Frequent uses

  • Pump internals
  • Valve internals

Grade

  • MTEK CW-2M (N26455 / Similar to Hastelloy® C4C) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Moly-Tungsten alloy.  

Properties – Why select this material

  • Virtually the same corrosion resistance as MTEK CW-12MW (Hastelloy®C-276) at a lower cost.
  • Resistant to reducing and oxidizing atmospheres at elevated temperatures.
  • Resists pitting and stress corrosion cracking.

Applications – Frequent uses

  • Gas turbine components
  • Chemical processing equipment

Grade

  • MTEK CX-2MW (N26022 / Similar to Hastelloy® C-22) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Moly-Tungsten alloy.  

Properties – Why select this material

  • Better corrosion resistance than MTEK CW-2M (Hastelloy® C4C).
  • Resistant to reducing and oxidizing chemicals

Applications – Frequent uses

  • Gas turbine components
  • Chemical processing equipment

Grade

  • MTEK ALLOY X (N06002 / Similar to Hastelloy® X) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Moly-Tungsten alloy.  

Properties – Why select this material

  • High oxidation resistance
  • Stress corrosion cracking resistant
  • High temperature strength to 2000°F / 1093°C

Applications – Frequent uses

  • Gas turbine shrouds
  • Industrial furnace applications
  • Furnace parts and support grids
  • Retorts

Grade

  • MTEK CY-40 (N06040 / Similar to Inconel® 600) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome alloy.  

Properties – Why select this material

  • Good high temperature properties
  • Resists thermal shock and cyclic temperatures
  • Relative immunity to stress corrosion cracking

Applications – Frequent uses

  • Nuclear power components involving seawater
  • Furnace parts
  • Turbine parts

Grade

  • MTEK 617 (N06617 / Similar to Inconel® 617) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Cobalt-Moly alloy.  

Properties – Why select this material

  • Good high temperature properties
  • Oxidation resistance at high temperature

Applications – Frequent uses

  • Turbine parts

Grade

  • MTEK 625 (N26625 / CW-6MC / Similar to Inconel® 625) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Moly alloy.  

Properties – Why select this material

  • Exceptional seawater corrosion resistance
  • Exceptional fatigue strength in marine service
  • High strength and toughness from cryogenic temperatures to 1800°F / 980°C.

Applications – Frequent uses

  • Marine shaft seals and sleeves
  • Housings in marine service
  • Chemical plants
  • Pollution control equipment
  • Nuclear reactors

Grade

  • MTEK 718 (N07718 / NACE MRO0175 / Similar to Inconel® 718) severe corrosion and heat resistant alloy.

Description

  • Nickel-Chrome-Moly alloy.  

Properties – Why select this material

  • Precipitation strengthened
  • High corrosion resistance
  • Excellent strength over wide temperature range

Applications – Frequent uses

  • Gas turbines
  • Extreme temperatures from cryogenic to high
  • Exhaust
  • Incinerators
  • Oilfield

For guidance in selecting the appropriate alloy in your application, contact us.

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