G.110 is an 18% nickel alloy steel, possessing an excellent combination of toughness and ductility at yield strength levels of 250,000 psi. The strength developed is independent of mass effect and rate of cooling, and is achieved by a simple aging treatment. The alloy is recommended for applications such as rocket motor cases and accessories, bolts and fasteners and aircraft structural components- particularly landing gear. 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, joining, and surface treatment. Filing Code: SA-225. Producer or source: Jessop-Saville Ltd, Brightside Works.

Republic RSM-300 alloy is an 18% nickel-cobalt-molybdenum age-hardening steel designed to develop up to 300,000 psi yield strength with good toughness. It is recommended for landing gears extrusion dies, rocket motor cases, high-strength bolts, etc. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as heat treating, machining, joining, and surface treatment. Filing Code: SA-242. Producer or source: Republic Steel Corporation.

CARPENTER NIMARK 300 is a vacuum-melted, low-carbon nickel-cobalt-molybdenum maraging steel that develops yield strengths in excess of 270,000 psi (1862 MPa) by simple low-temperature aging at 900 F (482 C) following a solution anneal. It is readily weldable and exhibits good ductility at high strength levels and excellent notch ductility. Its many uses include aircraft structural assemblies, pressure vessels, shafting, bolts and fasteners, and rocket motor cases. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on low and high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: SA-423. Producer or source: Carpenter.

Republic HP 9-4-25 is a heat treated alloy steel capable of developing yield strengths up to 200,000 psi with toughness characteristics better than other quench and tempered alloys. It is designed for sheet, plate and forging applications. It is also designed to be welded in the heat treated condition. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on low temperature performance as well as forming, heat treating, machining, and joining. Filing Code: SA-181. Producer or source: Republic Steel Corporation.

Vasco 9-4-20 (0.20 wt% C) is a premium quality aircraft steel that combines high tensile strength with good fracture toughness. It is a heat-treatable alloy capable of developing an ultimate tensile strength greater than 190 ksi. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance as well as heat treating, machining, and joining. Filing Code: SA-489. Producer or source: Vasco, An Allegheny Teledyne Company.

Vasco 9-4-30 (0.30 wt% C) is a premium quality aircraft steel which combines high tensile strength with good fracture toughness. It is a heat treatable alloy capable of developing ultimate tensile strengths greater than 250 ksi. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness. It also includes information on high temperature performance as well as heat treating, machining, and joining. Filing Code: SA-491. Producer or source: Vasco, An Allegheny Teledyne Company.

Marvac 250 is a clean high-strength maraging steel capable of 1654 MPa (240 ksi) yield strength. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on forming, heat treating, machining, and joining. Filing Code: Fe-163. Producer or source: Latrobe Specialty Steel Company.

Marvac 300 is a clean high-strength maraging steel capable of 1862 MPa (270 ksi) minimum yield strength. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: Fe-164. Producer or source: Latrobe Specialty Steel Company.

LESCALLOY HP 9-4-30 VAC-ARC is a low-alloy, high-strength steel with a high nickel content to promote toughness. It was designated for high hardenability and good weldability. It is produced by the vacuum-consumable-electrode process to insure cleanliness and provide a preferred ingot structure. This datasheet provides information on composition, physical properties, 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: SA-343. Producer or source: Latrobe Steel Company.

Scaife MX-2 is a cobalt modified Type 4140 ultra-high strength steel having high multiaxial capabilities at the 225,000 to 235,000 psi (0.2% offset) yield strength levels. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on forming, heat treating, machining, and joining. Filing Code: SA-116. Producer or source: Scaife Company.

REPUBLIC HP 9-4-30 is a heat-treated alloy steel capable of developing minimum yield strengths up to 190,000 psi with superior toughness characteristics. It is designed for sheet, plate, and forging applications, and can be welded in the heat-treated condition. The good thermal stability of this alloy makes it attractive for applications requiring long-time exposures at temperatures up to 700 F. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-278. Producer or source: Republic Steel Corporation.

NIMARK 300 is a vacuum melted low carbon, 18% nickel alloy steel which attains yield strengths in excess of 270,000 psi. It is recommended for high strength, shock resisting applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-254. Producer or source: Carpenter.

Republic RSM-200 is a high strength, tough maraging steel recommended for airframe and missile systems. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-209. Producer or source: Republic Steel Corporation.

VascoMax T-200 is an 18% nickel maraging steel with titanium as the primary strengthening agent and containing no cobalt. It is double vacuum melted to assure high purity which is essential for optimum mechanical properties. Price stability is an advantage with titanium-strengthened maraging steels, as compared with the price fluctuations that can occur with the cobalt-strengthened steel. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-422. Producer or source: Teledyne Vasco.

Ti-13V-11Cr-3Al is a high strength, meta-stable beta titanium-base alloy recommended for service in the temperature range of -65 to plus 600 F. It responds to an age-hardening heat treatment. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ti-27. Producer or source: Titanium Metals Corporation of America.

Crucible D6 is a low alloy ultra-high strength steel developed for aircraft-missile applications and primarily designed for use in the 260,000-290,000 psi tensile strength range. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on low temperature performance as well as forming, heat treating, machining, and joining. Filing Code: SA-129. Producer or source: Crucible Steel Company of America.

VascoMax C-200 is a cobalt-containing maraging steel with cobalt providing the primary strengthening. The number in the alloy name is representative of the ultimate tensile strength expressed in ksi. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength as well as fatigue. It also includes information on high temperature performance as well as forming, heat treating, and joining. Filing Code: SA-547. Producer or source: Allvac, An Allegheny Technologies Company.

UDIMAR B-300 is an 18% nickel maraging steel having excellent toughness and ductility at high strength levels. It is a fabricable and weldable ultra-high strength alloy steel combining the mechanical properties derived from precipitation hardening and martensitic transformation. It has increased cobalt content compared with UDIMAR B-250 (Alloy Digest SA-206, February 1967). This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness, creep, and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SA-244. Producer or source: Special Metals.

VascoMax 250 is an 18% nickel alloy steel having superior toughness and ductility at yield strength levels of 250,000 psi. It is recommended for high strength applications in the temperature range from -320 F to 900 F. It is a martensitic steel strengthened by precipitation and an ordering reaction. This datasheet provides information on composition, physical properties, hardness, tensile properties, and compressive strength as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-142. Producer or source: Vanadium-Alloys Steel Company.

MATRIX I is an ultra high-strength alloy steel capable of reaching tensile strength values up to 360,000 psi and maintaining high strength levels at operating temperatures to 1000 deg F. It combines extremely high strength with ductility, toughness, fatigue and heat resistance. The alloy was formerly designated VASCOJET M-A(CVM); see Alloy Digest SA-150, July 1963. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-449. Producer or source: Teledyne Vasco.