Aluminum

2024

• Aircraft Grade
• Lightweight
• Non-magnetic
• Heat treat to increse hardness
• High strength
• Good electrical and heat conductivity
• Poor corrosion resistance. Anodizing increases corrosion resistance & is available in many colors

5052

• Aircraft Grade
• Lightweight
• Non-magnetic
• Not heat treatable
• Medium strength
• High corrosion resistance

6061

• Aircraft Grade
• Lightweight
• Non-magnetic
• Heat treat to increase hardness
• High strength
• Excellent corrosion resistance

7075

• Aircraft Grade
• Lightweight
• Non-magnetic
• Heat treat to increase hardness
• High strength
• Average corrosion resistance

1100

• Commercial Grade
• Lightweight
• Non-magnetic
• Not heat treatable
• High strength
• Excellent corrosion resistance
• High electrical and thermal conductivity

3003

• Commercial Grade
• Lightweight
• Non-magnetic
• Not heat treatable
• Medium strength
• Very good corrosion resistance
• Better mechanical properties than 1100

Beryllium Copper

Alloy 25

• Electrical alloy
• Good electrical conductivity (17-22% of copper)
• Good heat conductivity (68 BTU/hr/ft²/°F/ft)
• Age hardenable (easy to form in annealed state but can be hardened afterward thru heat treating)
• Non-magnetic & corrosion resistant
• Extensively used for springs, spring washers & clips
• Good plating base

Brass

Alloy 260, 70/30, Copper/Zinc

• Non-magnetic
• Good electrical conductivity (26% of copper)
• Good heat conductivity (70 BTU/hr/ft²/°F/ft)
• Spring temper provides a flatter part and a cleaner cut than half hard or soft tempered
• Corrosion resistant
• Excellent plating base

Cobalt Alloys

Alloy 188

• Strength and oxidation resistant to 2000°F
• Good post-aging ductility
• Resistant to sulfate deposit hot corrosion

Waspaloy

• High strength
• Oxidation resistant to 1750°F
• Excellent resistance to corrosion by combustion products, encountered in gas turbines and aircraft jet engines.

Copper

Alloy 110, Electrical tough pitch, 99.9% Copper

• Non-magnetic
• Corrosion resistant
• Best electrical grade copper
• Best electrical conductivity (100% of copper)
• Best thermal conductivity (225 BTU/hr/ft²/°F/ft)
• Good plating base
• Excellent sealing capability

Duplex Stainless Steel

2205

• High resistance to chloride stress corrosion cracking
• Chloride pitting and crevice corrosion resistance superior to 317L stainless
• Good general corrosion resistance
• High strength
• Good sulfide stress corrosion resistance
• Useful up to 600°F

2507

• High resistance to chloride stress corrosion cracking
• High strength
• Superior resistance to chloride pitting and crevice corrosion
• Good general corrosion resistance
• Suggested for applications up to 600°F
• Low rate of thermal expansion
• Combination of properties given by austenitic and ferritic structure
• Good weldability and workability

Zeron 100

• Resistant to pitting and crevice corrosion in warm seawater with a guaranteed corrosion performance (PREN > 40)
• Excellent resistance to stress corrosion cracking in both chloride and sour environments
• Superior resistance to sulfuric acid at most concentrations
• Improved resistance over austenitic stainless to erosion corrosion and corrosion fatigue
• High Strength (80,000 psi minimum Yield Strength) permitting designs to reduce weight versus other corrosion resistant alloys

Nickel Alloys

Inconel 600

• Virtually immune to chloride ion stress corrosion cracking
• Good caustic corrosion resistance
• Resistant to dry Cl2 to about 1000°F
• Oxidation resistance to 2000°F
• Carburization resistance

Inconel 601

• Outstanding oxidation resistance to 2200°F
• Highly resistant to carburization
• Good creep and rupture strength
• Metallurgical stability

Inconel 625

• High creep-rupture strength
• Oxidation resistant to 1800°F
• Good fatigue resistance
• Excellent weldability
• Outstanding resistance to chloride pitting and crevice corrosion
• Immune to chloride ion stress corrosion cracking
• Resistant to seawater under both flowing and stagnant conditions and under fouling

Inconel 718

• Good mechanical properties: tensile, fatigue and creep-rupture
• Excellent welding characteristics, resistant to postweld age cracking
• Oxidation resistant throughout its useful temperature range

Monel 400

• Resistant to seawater and steam at high temperatures
• Excellent resistance to rapidly flowing brackish water or seawater
• Excellent resistance to stress corrosion cracking in most freshwaters
• Particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated
• Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations, but is seldom the material of choice for these acids
• Excellent resistance to neutral and alkaline salt
• Resistance to chloride induced stress corrosion cracking
• Good mechanical properties from sub-zero temperatures up to 1020° F
• High resistance to alkalis

Monel R-405

• Good machinability and is recommended for use with automatic screw machines
• Resistant to seawater and steam at high temperatures
• Excellent resistance to rapidly flowing brackish water or seawater
• Excellent resistance to stress corrosion cracking in most freshwaters
• Particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated
• Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations, but is seldom the material of choice for these acids
• Excellent resistance to neutral and alkaline salt
• Resistance to chloride induced stress corrosion cracking
• High resistance to alkalis

Monel K-500

• Corrosion resistance in an extensive range of marine and chemical environments. From pure water to non-oxidizing mineral acids, salts and alkalis.
• Excellent resistance to high velocity sea water
• Resistant to a sour-gas environment
• Excellent mechanical properties from sub-zero temperatures up to about 480C
• Non-magnetic alloy

AL-6XN

• Over 25 years of proven seawater service
• 50% stronger than stainless
• ASME coverage up to 800°F
• Easily welded
• Excellent resistance to pitting and crevice corrosion in chloride solutions
• Practical immunity to stress corrosion cracking in NaCl environments
• High strength and toughness

Alloy 20

• Excellent resistance to hot sulfuric acid
• Resistant to intergranular corrosion in the as-welded condition
• Chloride stress corrosion cracking resistance

Hastelloy C276

• Most universally corrosion resistant material available today
• Excellent resistance to pitting, stress-corrosion cracking and to oxidizing atmospheres
• Excellent resistance to corrosion by seawater especially under crevice conditions, which induce attack in other commonly used materials

Phos. Bronze

Grade A, Spring temper

• Non-magnetic
• Fair corrosion resistant
• Fair for electrical applications (15% of copper)
• High strength
• High temperature resistance
• Good bearing surface
• Good spring material

Steel

Low Carbon, CRS, Commercial Quality

• 0.010 or above #4 temp (¼H)
• Below 0.010 #1 temp (FH)
• Inexpensive
• General Applications
• Good plating base material (magnetic & it will corrode)
• Fair electrical conductor (12% of copper)
• High strength for cost

Stainless Steel

300 Series

• 0.010 or above (Annealed)
• 0.005-0.009 (HH)
• .001-.004 (FH)
• Slightly magnetic, least magnetic in annealed condition
• General applications
• Greater strength than steel
• Excellent corrosion resistance

400 Series

• Steel & Plate vs. Stainless—in many instances, a steel part with the additional plating process changes are the same

Nitronic 50

• High strength austenitic alloy
• Good corrosion resistance
• Maintains strength at high temperatures as well as sub-zero temperatures

Nitronic 60

• Excellent galling resistance, even at elevated temperatures
• Maintains decent strength up to temperatures of 1800°F and has oxidation resistance similar to that of 309 stainless steel
• General corrosion resistance is between that of 304 and 316 stainless steel

Spring Steel / High Carbon

1050/1074/1075/1095 - 0.005 & above

• May be heat treated to increase hardness
• Can be formed easily in annealed state then hardened through heat treating
• Used for springs, spring washers & clips

Titanium

6AL4V, 6AL4V ELI, or Grade 2

• Commercial pure
• Extreme high temperature applications
• High strength to weight ratio
• Mainly used in aircraft
• Quite expensive
• Corrosion resistant