Crucible S7 XL is a double-refined high-purity grade of S7 tool steel (see Alloy Digest TS-543, July 1996) designed specifically for ease of wire electrical discharge machining (EDM) operations, improved consistency in texturizing of plastic injection molds, and superior shock resistance compared to conventional S7. Typical applications include plastic injection molds, punches and dies by wire EDM, and heavy impact tools. 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, machining, joining, and surface treatment. Filing Code: TS-562. Producer or source: Crucible Service Centers. Originally published November 1998, revised 2005.

CPM Nu-Die EZ is a die and mold steel designed for service as die casting dies and plastic injection molds. It is supplied in the prehardened condition and is easily machined using conventional chip-making methods. This datasheet provides information on composition, physical properties, microstructure, and elasticity as well as fracture toughness and fatigue. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: TS-564. Producer or source: Crucible Specialty Metals Division, Colt Industries.

AMPCO 940 is a precipitation-hardening copper-nickel-silicon-chromium alloy developed for resistance welding and other applications now using the 1% beryllium-copper alloys. The heat-treated alloy is capable of meeting the RWMA (Resistance Welder Manufacturers Association) Class 3 minimum requirements-95,000 psi tensile strength, 90 Rockwell B hardness and 45% IACS electrical conductivity. Potential applications include resistance welding tips, wheels and fixtures. A major use is in plastic injection molding. AMPCO-TRODE 940 is used for repair welding and overlays. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as casting, forming, heat treating, machining, and joining. Filing Code: CU-434. Producer or source: Ampco Metal Inc. Originally published as Ampcoloy 940, April 1982, revised March 1993.

Finkl Alu-C is a modification of UNS A92618 with higher thermal conductivity and higher yield strength above 121 C (250 F) than aluminum alloy 7075-T651. Alu-C is used for general, low-volume plastic injection molds. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength. It also includes information on casting, machining, joining, and surface treatment. Filing Code: AL-364. Producer or source: A. Finkl & Sons Company.

Superplast 300, also known as SP 300, is a prehardened steel for mold service. It is designed to provide improved weldability and machinability compared to conventional P20 steel. 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-643. Producer or source: Industeel USA, LLC.

Lukens cold-work tool steels A2, D2, O1, S5, and S7 are used in applications where an air-hardening, oil-hardening, or shock-resisting tool steel is required. These steels are available in full-size, annealed plates suitable for saw cutting and/or finishing. Parts can subsequently be machined and heat treated to a range of hardness requirements. For improved internal cleanliness, all Lukens cold-work tool steels are produced with maximum sulfur levels of 0.010%. This datasheet provides information on composition. It also includes information on machining and joining. Filing Code: TS-550. Producer or source: Lukens Steel Company.

Böhler (or Boehler) M461 Extra is a precipitation hardening steel grade for plastic molds with good machinability in the precipitation hardened condition. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on machining. Filing Code: TS-730. Producer or source: Böhler Edelstahl GmbH & Company KG.

Böhler (or Boehler) M261 Extra is a precipitation hardening steel grade for plastic molds with good machinability in the precipitation hardened condition. It is used in the processing of plastics by offering high compressive stress and high wear resistance. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on heat treating and machining. Filing Code: TS-732. Producer or source: Böhler Edelstahl GmbH & Company KG. See also Alloy Digest TS-736, September 2016.

Kapstar is through-hardened steel of uniform hardness for molds and dies. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on heat treating and joining. Filing Code: TS-684. Producer or source: Crucible Service Centers Divisional Headquarters.

Crucible HiStar 40 is a prehardened mold steel having a hardness of 37-41 HRC and used for plastic or rubber molds. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on wear resistance as well as heat treating, machining, and joining. Filing Code: TS-609. Producer or source: Crucible Service Centers Divisional Headquarters.

Finkl DCF is a prehardened, single-melt modified H13. The alloy is resulfurized for ease of machining in the hardened condition. This eliminates the necessity of costly and time-consuming vacuum heat treating that normally has to be scheduled after machining. The thermal fatigue resistance is less than that of double-melted DC-Xtra, but DCF is ready for service as machined. It is supplied prehardened at a hardness of approximately 45 HRC. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance as well as forming and heat treating. Filing Code: TS-621. Producer or source: A. Finkl & Sons Company.

Böhler (or Boehler) M261 Extra is a precipitation hardening steel grade for plastic molds featuring excellent machinability in the solution annealed and aged condition. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on heat treating and machining. Filing Code: TS-736. Producer or source: Böhler Edelstahl GmbH & Company KG. See also Alloy Digest TS-732, December 2015.

UHB STAVAX ESR is a high-chromium (13.6%) martensitic stainless plastic-mold steel. It is Electro-Slag Refined (ESR) to provide the best polishability. It is characterized by good hardenability, high hardness, excellent polishability and fair resistance to corrosion. It is used for both injection and compression plastic molds. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-331. Producer or source: Uddeholm Aktiebolag. See also Alloy Digest SS-299, August 1974.

CASCADE is a precipitation-hardening steel which is very popular as a mold steel for injection molding of thermoplastics. It is also an excellent choice for many zinc die-casting dies because of its resistance to heat checking and wash. A further wide usage for Cascade is as a holding-block material for die-casting dies and molds for plastics when high strength is mandatory. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on heat treating, machining, joining, and surface treatment. Filing Code: TS-15. Producer or source: Latrobe Steel Company. Originally published December 1953, revised January 1962, October 1986.

Thermold Z is a tool steel quality mold grade expressly designed for maximum production at moderate cost for zinc and other low temperature casting metals; and for injection molded and compression molded plastics. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, and joining. Filing Code: TS-185. Producer or source: Cyclops Corporation.

THERMOLD P20 is a tool steel designed expressly for molds for zinc and other low-melting casting alloys and for injection and compression molded plastics. This datasheet provides information on composition, physical properties, and hardness. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: TS-238. Producer or source: Cyclops Corporation.

Mar-X is a precipitation-hardening, stainless steel with excellent corrosion resistance for both atmospheric and chemical attack. The heat response characteristics of this grade provide especially good welding characteristics. Absence of hardening in the weld heat-affected zone (HAZ) offers improved blending characteristics and reduced cracking potential in welded areas. The material is supplied in the solution-treated condition with a hardness of approximately 321 HB (34 HRC). It may be age hardened with a simple thermal treatment to a hardness of 40+ HRC. This datasheet provides information on composition, physical properties, and hardness. It also includes information on heat treating, machining, joining, and surface treatment. Filing Code: SS-922. Producer or source: A. Finkl & Sons Company.

CLC 1.2312 is a prehardened mold steel with added sulfur for increased machinability. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on low and high temperature performance as well as heat treating, machining, joining, and surface treatment. Filing Code: TS-613. Producer or source: Industeel USA, LLC.

CLC 1.2316 is a prehardened mold steel with improved corrosion resistance. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: SS-1176. Producer or source: Industeel USA, LLC.

CLC 1.2316S is a prehardened mold steel with improved corrosion resistance. Sulfur is added for machinability. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: SS-1177. Producer or source: Industeel USA, LLC.