RAM 304/L is a machining quality version of standard austenitic stainless steel type 304/304L with dual certification possible when both the lower carbon limit and higher strength are met. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: SS-789. Producer or source: Rolled Alloys Inc.

AISI 4137 is a medium-carbon low-alloy steel suitable for heavy-duty service. It is nominally an oil-hardening steel; however, it may be water hardened if suitable precautions are taken to avoid cracking. Its many uses include axles, fittings, gears, crankshafts and nitrided parts. It has a low tendency to develop temper embrittlement. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-366. Producer or source: Alloy steel mills and foundries.

AISI 4145 is a through-hardening, medium-carbon chromium-molybdenum steel recommended for heavy-duty service. It is suitable for a wide variety of engineering uses. 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-285. Producer or source: Alloy steel mills and foundries.

UNS H41370 is a low-alloy steel containing nominally 0.95% Cr and 0.20% Mo. It has good resistance to abrasion, fatigue, and impact. It can be nitrided successfully for maximum resistance to abrasion and wear. It is suitable for severe service characterized by high stresses and impact loading in both small and large sections. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-427. Producer or source: Alloy steel mills and foundries.

CABOT ESR 4140 is a chromium-molybdenum alloy steel produced by electric-furnace melting, vacuum degassing and electroslag remelting by use of small-heat-size technology. Electroslag refining improves cleanliness and lowers the sulfur content to provide improved isotropy, ductility and toughness. Cabot ESR 4140 has outstanding fatigue strength and a good combination of strength and ductility. Its applications range from gas turbines to oil-field equipment. 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-371. Producer or source: Cabot Corporation, Machinery Division.

AISI 4147 is a medium-carbon alloys steel with relatively high hardenability. It has good resistance to abrasion, fatigue and impact and is recommended for moderately severe service. It is an oil-hardening grade; however, it may be water hardened if suitable precautions are taken to minimize the danger of cracking during quenching. It has a relatively low tendency for the development of temper embrittlement during tempering in the range 850-1 100 H. Typical applications comprise gears, shafting, machine-tool parts, clutch parts and connecting rods. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, joining, and surface treatment. Filing Code: SA-419. Producer or source: Alloy steel mills and foundries.

SAE 4145 is a through-hardening, medium-carbon chromium-molybdenum alloy steel of high hardenability. It is recommended for heavy-duty service and is suitable for a wide variety of engineering uses. Its many applications include gears, axles, flanges, machine tool parts, nitrided parts, bolts, connecting rods, sprockets and valve seats. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-420. Producer or source: Alloy steel mills and foundries.

INGERSOLL-RAND OILFIELD PRODUCTS ESR 4140 is a chromium-molybdenum alloy steel produced by electric-furnace melting, vacuum degassing and electroslag remelting. Electroslag refining improves cleanliness and lowers the sulfur content to provide improved isotropy, ductility and toughness. ESR 4140 has outstanding fatigue strength and a good combination of strength and ductility. Its applications range from gas turbines to oil-field equipment. 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 temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-391. Producer or source: Ingersoll-Rand Oilfield Products Company.

INCONEL Alloy 690 is a wrought nickel-base alloy with excellent resistance to many corrosive aqueous media and high-temperature atmospheres. It also has high strength, good metallurgical stability, and favorable fabrication characteristics. It has excellent resistance to stress-corrosion cracking in chloride-containing solutions and to sodium hydroxide solutions. INCONEL Alloy 690 is useful for various applications involving nitric or nitric/hydrofluoric acid solutions, sulfur-containing gases and various types of high-temperature water such as in nuclear generators. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Ni-266. Producer or source: Huntington Alloy Products Division, An INCO Company.