Blog Nickel-Based Material Profiles: Part 1
November 25, 2020
By: Dave Olsen

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.