MOSIL is intended for applications requiring high toughness and resistance to shock loading. It is recommended for severe and repeated impacts in service. It has an excellent combination of hardness and toughness to withstand the high stresses in service and to resist abrasion and wear. Normally, it is hardened by austenitizing and quenching in oil. Among the many uses of Mosil are hand chisels, hammers, rivet sets, concrete breakers and heavy-duty punches. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, joining, and surface treatment. Filing Code: TS-400. Producer or source: Teledyne Vasco.

FAGERSTA-D66 is a 9% tungsten type hot-work tool and die steel having excellent combination of abrasion resistance, red-hardness and toughness at high operating temperatures. It is recommended for hot extrusion and forming dies, punches, rivet sets, shear blades, etc. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-202. Producer or source: Fagersta Steels Inc..

La Belle-HT is a high toughness tool steel having remarkable resistance to impact and battering at high hardness levels. It is recommended for cold header punches, shear blades, rivet sets, and aluminum impact extrusion dies and punches. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-204. Producer or source: Crucible Steel Company of America.

EB alloy is a high-carbon chromium alloy steel for general hot-work applications. It possesses good compressive strength and hot mechanical properties. It is recommended for hot header and gripper dies, shear blades, hot rivet sets, forging dies, cold forming and embossing dies. This datasheet provides information on composition, physical properties, hardness, elasticity, and compressive strength as well as fracture toughness. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: TS-217. Producer or source: Allegheny Ludlum Corporation.

SILICO ALLOY is a silicon-manganese shock-resisting tool steel; it has high toughness at relatively high operating hardnesses. It is primarily an oil-hardening steel because of its molybdenum content (0.45%); however, it may be water hardened. It is a low-cost, high-quality steel that combines high toughness with the advantages of oil-hardening non-deforming steels. Its relatively high hardenability coupled with high toughness makes it extremely useful for larges shear blades in severe service. Other applications include pneumatic tools, punches, hand chisels, rivet sets and pipe cutters. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: TS-473. Producer or source: Columbia Tool Steel Company.

AL TECH ARAPAHO is an air-hardening or oil-hardening tool steel depending on the size, tool geometry and other desired propties. It has exceptional toughness coupled with resistance to softening at moderately high temperatures. It is used for general blanking and forming-die applications; it also is used for impact and shock-resisting tools. Its many uses include shear blades, chisels, punches, rivet sets and mold dies for plastics. This datasheet provides information on composition, physical properties, microstructure, hardness, and elasticity as well as fracture toughness. It also includes information on heat treating and machining. Filing Code: TS-475. Producer or source: AL Tech Specialty Steel Corporation.

Thyrodur 2826 is a shock-resistant tool steel of average hardenability and intermediate alloy content compared with other tool steels with high toughness and resistance to shock. Shock-resistant steels are used primarily for chisels, rivet sets, punches, driver bits, and other applications requiring high toughness and resistance to shock loading. This datasheet provides information on composition, physical properties, and hardness. It also includes information on forming and heat treating. Filing Code: TS-654. Producer or source: Schmolz + Bickenbach USA Inc.

The carbon content in TLS S1, about 0.5%, produces a combination of high strength and high toughness with medium wear resistance. Chisels and rivet sets are typical applications. This datasheet provides information on composition, physical properties, hardness, and elasticity as well as fracture toughness. It also includes information on wear resistance as well as heat treating and machining. Filing Code: TS-655. Producer or source: Timken Latrobe Steel.

SILMAN is a silicon-manganese medium carbon tool steel showing good resistance to abrasion and fatigue. It is recommended for cold-working tools requiring toughness, wear and shock resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-224. Producer or source: Teledyne Vasco.

Atlas 302HQ is a chromium-nickel-copper austenitic stainless steel. It is a specialized wire grade with very wide usage for the manufacture of stainless steel fasteners. The inclusion of 3% copper in the composition reduces the cold work hardening rate substantially compared to type 304 austenitic stainless steel. Atlas 302HQ is the standard for the manufacture of self-tapping screws and light machine screws. It is also used for some bolts, set screws, rivets, and specialized fasteners. It has now totally replaced type 384 and type 305 austenitic stainless steels for cold heading applications, because Atlas 302HQ has relatively higher copper content which is used a lower-cost alternative to the high nickel contents in those alloys. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-1350. Producer or source: Atlas Steels.

Jessop 259 is an extremely tough silico-manganese alloy tool steel with outstanding shock and abrasion resistance. It is recommended for shock resisting applications such as pneumatic tools, punches, concrete breakers, rivet busters, etc. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-164. Producer or source: Jessop Steel Company.

Cyclops S5 is a tough, shock resisting tool and die steel recommended for cold working tools requiring a combination of good ductility, high hardness and wear resistance. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-156. Producer or source: Cyclops Corporation.

AISI Type S2 is a water-hardening tool steel with extreme toughness and resistance to shock loading. Even at a hardness of Rockwell C 59-60, it will bend before it breaks. When hardened in medium-size and large-size pieces, it acquires a hard case and a tough core. Sizes under 3/4-inch (19mm) diameter will water harden to the center. The extreme toughness of Type S2 makes it suitable for use in many applications where no other tool steel will hold up. Its many uses include chisels, rivet busters, spike mauls, screw drivers, punches and sledges. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-408. Producer or source: Tool steel mills.

LA BELLE HT is a deep-hardening, shock-resistant tool steel that offers superior toughness and wear resistance in the hardness range of 54 to 56 Rockwell C. This datasheet provides information on composition, hardness, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, and machining. Filing Code: TS-300. Producer or source: Crucible Specialty Metals Division, Colt Industries.

CARPENTER SOLAR alloy is an extremely tough, water-hardening tool steel. Large sections harden to a hard case with a tough core. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-494. Producer or source: Carpenter.

Vulcan-Kidd 4870 is a fine grained, deep hardening, water quenching steel with very shock resistance and good wear resistance. It is a tough cold working tool steel. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on heat treating, machining, and joining. Filing Code: TS-118. Producer or source: H. K. Porter Company Inc..

COLUMBIA S6 is a silicon-manganese shock-resisting tool steel with fairly high hardenability. It offers superior toughness and wear resistance when compared to conventional shock-resisting steels heat treated to Rockwell C 54 to 56. For optimum strength and toughness, parts should be tempered within the range 400 to 600 F. Among its many applications are shear blades, punches, hand chisels and pneumatic tools. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-445. Producer or source: Columbia Tool Steel Company.

CARPENTER No. 481 is a fine-grained, oil-hardening electric-furnace tool steel for applications involving shock. It combines exceptional toughness to withstand the stresses in service, and good hardness to resist wear and abrasion. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, and machining. Filing Code: TS-312. Producer or source: Carpenter.

CYCLOPS L2 is the tool steel counterpart of one of the widely used chromium-vanadium low-alloy steels. It exhibits exceptional strength, toughness and resistance to fatigue; it may be used where these characteristics are more important than extreme hardness. Cyclops L2 has only modest hardenability but it has good resistance to abrasion and wear in the hardened condition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-325. Producer or source: Cyclops Corporation.

CYCLOPS S2 is a high-silicon, shock-resisting tool steel with extreme toughness. It has good ductility and toughness at high strength levels, and gives excellent service in those applications where shock and impact are major factors. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-328. Producer or source: Cyclops Corporation.