13-8 PH - High-Strength Stainless Steel
When heat treated, offers increased strength and good corrosion resistance, even under stress. Precipitation-hardenable. Maintains corrosion resistance up to 1100° F. Magnetic.
15-5 PH - Wear-Resistant High-Strength Stainless Steel
Commonly used in gears, cams, and aircraft parts. Combines high strength and wear resistance. Can be heat treated at low temperatures to increase mechanical properties. Maintains corrosion resistance up to 1100° F. Magnetic.
17-4 PH - Corrosion-Resistant High-Strength Stainless Steel
High strength with better corrosion resistance than Type 15-5 PH due to its slightly higher chromium content. Also known as Type 630. Can be strengthened by precipitation hardening at low temperatures (up to 44Rc). Unlike conventional martensitic stainless steels, such as type 410, 17-4 stainless steel is quite weldable. Maintains corrosion resistance up to 1100° F. Magnetic.
17-7 PH - Corrosion-Resistant High-Strength Wear-Resistant Stainless Steel
High strength. Good response to heat-treating. Moderate corrosion resistance.
Alloy 20 - Ultra-Corrosion-Resistant Stainless Steel
Equivalent to Carpenter 20. Commonly used in the chemical industry due to its resistance to aggressive environments. Nonmagnetic. Not heat treatable.
Nitronic 60 - Super-Corrosion-Resistant Stainless Steel
Nitrogen provides better corrosion resistance than Type 304 plus more strength in temperature extremes. Commonly used in chemical industry. Nonmagnetic. Cannot be heat treated. Temperature range not rated.
A286 - Super-Corrosion-Resistant Stainless Steel
Heat-treatable alloy with corrosion resistance similar to Type 316. Contains titanium for increased strength. Maintains corrosion resistance up to 1500° F.
301 - Wear-Resistant Multipurpose Stainless Steel
Most strain-hardenable chromium-nickel stainless steel. Better wear resistance, fatigue strength than Type 304. Retains strength while stretching like 1095 steel. Good weldability, temperature resistance. May be slightly magnetic. Cannot be heat treated. Maximum corrosion resistance temperature 1550° F; minimum not rated.
302 - Multipurpose Stainless Steel
Higher carbon content for slightly higher strength than Type 304 with same corrosion resistance. Not heat treatable.
302/304 - Multipurpose Stainless Steel
Corrosion resistant. Meets Type 302 and Type 304 standards. Wire meets ASTM A580; spring wire meets ASTM A313 (choose extra-bright when a fine surface finish is important).
303 - Easy-to-Machine Stainless Steel
Sulfur and phosphorus increase machinability. Low-carbon chromium-nickel (austenitic). Good corrosion, temperature resistance. May become slightly magnetic when worked. Not heat treatable. Maintains corrosion resistance up to 1500°F.
304 - Multipurpose Stainless Steel
Grade 304 is the standard "18/8" stainless; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics. Good weldability and formability. Maintains corrosion resistance up to 1500° F. May become slightly magnetic when worked. Not heat treatable.
304/304L - Multipurpose Stainless Steel
This dual certified 304/304L stainless steel is a reduced carbon version of Type 304 stainless steel.
309 - High-Temperature Stainless Steel
Excellent temperature resistance. Similar composition to Type 304. Used in heat exchangers and furnace parts. Low carbon chromium-nickel (austenitic). Maintains corrosion resistance up to 1470° F. When worked, may become slightly magnetic. Not heat treatable.
316 - Super-Corrosion-Resistant Stainless Steel
Higher molybdenum content provides better corrosion resistance than Type 304. Low carbon chromium-nickel (austenitic). Good weldability and temperature resistance. May become slightly magnetic. Not heat treatable. Maintains corrosion resistance up to 800° F.
316/316L - Super-Corrosion-Resistant Stainless Steel
This dual certified 316/316L stainless steel is a reduced carbon version of Type 316 stainless steel.
321 - Easy-to-Weld Stainless Steel
Low carbon chromium-nickel (austenitic). Titanium provides superior weldability. Only strain harden (cold form - may become slightly magnetic). Cannot be heat treated. Maximum corrosion resistance temperature 1600° F; minimum not rated.
410 - Wear-Resistant Stainless Steel
Basic chromium alloy (martensitic). Can be heat treated for extra hardness and improved wear resistance. Not recommended for highly corrosive environments. Not recommended for welding. Maintains corrosion resistance up to 1200° F.
416 - Wear-Resistant Easy-to-Machine Stainless Steel
Highest machinability of any stainless steel, at about 85% of that of a free-machining carbon steel. A chromium alloy (martensitic) stainless steel. Can be heat treated. Offers better machinability than Type 410 due to the addition of sulfur. Commonly used for rivets and screws. Magnetic. Maintains corrosion resistance up to 400° F.
420 - Mold-Quality Wear-Resistant Stainless Steel
Excellent polishability and high hardness (can attain 50Rc). Higher carbon content than 410. Ideal for manufacturing plastic molds. Also used for knives, shafts, and surgical instruments. Heat treatable and magnetic. Maintains corrosion resistance up to 1150° F.
420V - Corrosion and Wear-Resistant Stainless Steel
Use in place of tool steels, such as D2, when extra corrosion resistance is important. Better wear resistance than other stainless steels due to the addition of vanadium and carbon. Made of powdered metal for increased corrosion resistance. Maintains corrosion resistance up to 400° F. Magnetic.
430 - Economy-Grade Stainless Steel
Chromium-based (ferritic) alloy. Good formability. Magnetic. Cannot be heat treated (strain-hardening has little effect). Room temperature alloy. Not recommended for temperature extremes or outdoor use. Chosen more for aesthetic purposes. Resists nitric acid well.
440A - Tough Wear-Resistant Stainless Steel
This high-carbon, high-chromium martensitic stainless steel offers greater hardness than Type 420 and greater toughness than Type 440C while still providing good corrosion resistance. Maintains corrosion resistance up to 795° F. Often used for cutlery, valve parts, and surgical instruments. Ultra-Hard Wear-Resistant Stainless Steel (Type 440C) Ideal for use in bearings, valve parts, and knife blades. This high-carbon stainless steel offers good wear resistance and is one of the hardest stainless steels when heat treated. Maintains corrosion resistance up to 800° deg F. Magnetic.
440C - Ultra-Hard Wear-Resistant Stainless Steel
Ideal for use in bearings, valve parts, and knife blades. This high-carbon stainless steel offers good wear resistance and is one of the hardest stainless steels when heat treated (59Rc is possible). Maintains corrosion resistance up to 800° deg F. Magnetic.
2205 - High-Strength Corrosion-Resistant Stainless Steel
Duplex (austenitic-ferritic) stainless steel with high strength and good resistance to corrosion caused by stress. Maintains corrosion resistance up to 600° F. Commonly used for heat exchangers and oil and gas industry equipment. Magnetic. Not heat treatable.
