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4340 High Tensile Steel Interlloy Engineering Steels

4340 is a 1.8% nickel - chromium - molybdenum high hardenability high tensile steel - generally supplied hardened and tempered in the tensile range of 930 - 1080 Mpa (condition U) - (Rc 28 - 36).. Characterised by high strength and toughness in relatively large sections.

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AISI/SAE 4340 Alloy Steel- 4340 Steel Properties All

4340 is a nickel-chromium-molybdenum alloy steel known for its toughness and its ability to attain high strengths in the heat-treated condition. It has very good fatigue resistance. This alloy, 4340, may be heat treated to high strength levels while maintaining good toughness, wear resistance and fatigue strength levels, combined with good atmospheric corrosion resistance, and strength.

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eFundaProperties of Alloy Steel Alloy Steel AISI 4340

Tensile Strength (MPa) 1875 Yield Strength (MPa) 1675 Elongation (%) 10 Reduction in Area (%) 38 25oil quenched, fine grained, tempered at 315°C Tensile Strength (MPa) 1724 Yield Strength (MPa) 1586 Elongation (%) 10 Reduction in Area (%) 40 25oil quenched, fine grained, tempered at 425°C Tensile Strength (MPa) 1469

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4130, 4340, AMS 6345, AMS 6348,AMS 6414, AMS 6415,

AISI 4340 is a heat treatable, low alloy steel containing nickel, chromium and molybdenum. Alloy 4340 is known for its toughness and capability of developing high strength in the heat treated condition while retaining good fatigue strength.

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AISI/SAE 4340 Alloy Steel- 4340 Steel Properties All

4340 is a nickel-chromium-molybdenum alloy steel known for its toughness and its ability to attain high strengths in the heat-treated condition. It has very good fatigue resistance. This alloy, 4340, may be heat treated to high strength levels while maintaining good toughness, wear resistance and fatigue strength levels, combined with good atmospheric corrosion resistance, and strength.

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Alloy - Encore Metals - 4340

AISI 4340 is stocked in the heat treated and stress-relieved condition at approximately 150,000 psi (1034 N/mm2) and in the annealed condition at HB 235 max. Typical Applications High strength machine parts, heavy-duty shafting, high tensile bolts and studs, gears, axle shafts, crankshafts, boring bars and down-hole drilling components

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AISI 4340 Steel 36CrNiMo4 1.6511 EN24 817M40

AISI 4340 steel is a medium carbon, low alloy steel known for its toughness and strength in relatively large sections. AISI 4340 is also one kind of nickel chromium molybdenum steels. 4340 alloy steel is generally supplied hardened and tempered in the tensile range of 930 – 1080 Mpa.

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What is the yield strength for AISI 4340? - Answers

What is the yield strength for AISI 4340? The ratio of the actual Ultimate Tensile Strength to the actual Yield strenght must not be less than 1.25 ratio to impart ductility 1. This is a

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Steel Comparison4130 VS 4340 Steel - Otai Special Steel

4340 steel, as nickel-chromium-molybdenum alloy steel, is a very high strength steel. It is sought after for its toughness and for being used as a steel that will be highly stressed. 4340 steels are used in a variety of industries for different applications including the automotive, aerospace, and tooling industries.

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AISI 4140 Alloy Steel (UNS G41400) - AZoM

The hardness of the steel can be increased if it has a lower tempering temperature. For example, a tensile strength of 225 ksi can be achieved by tempering at 316°C (600°F), and tensile strength of 130 ksi can be achieved by tempering at 538°C (1000°F). Hardening. AISI 4140 alloy steel can be hardened by cold working, or heating and quenching.

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AISI 4340V - Kohli Iron & Steel Store

AISI 4340V is an alloy steel, with high tensile strength, good wear resistance and high strength properties. This grade is used in gears, shafts, studs and bolts. Hardness is 248/302 HB. By induction or nitrating processing, it can be fully hardened. It is available in all diameters i.e. round, flat etc.

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4340 Hardened and Tempered Bar - Interlloy

4340 is a 1.8% nickel - chromium - molybdenum high hardenability high tensile steel - generally supplied hardened and tempered in the tensile range of 930 - 1080 Mpa (condition U) - (Rc 28 - 36).. Characterised by high strength and toughness in relatively large sections.

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Alloy Steel Grade 4340 Elgin Fasteners

Do you need custom fasteners created with Alloy Steel Grade 4340? Since our inception, Elgin Fastener Group has met every challenge of providing Quality, Timely,

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AISI 4340V - Kohli Iron & Steel Store

AISI 4340V is an alloy steel, with high tensile strength, good wear resistance and high strength properties. This grade is used in gears, shafts, studs and bolts. Hardness is 248/302 HB. By induction or nitrating processing, it can be fully hardened. It is available in all diameters i.e. round, flat etc.

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13972 4340 4340 ALLOY Metals Castle Metals Site

Alloy 4340 in Plate SPECIFICATIONSAISI4340, ASTM A 829 / A6 SAE J404, AMS 2252/ 2301/6359 SAE J404. Castle Metals stocks Alloy 4340 plate through our global distribution network. Our service centers are located throughout the U.S., Canada, Mexico, U.K, France, Singapore, and Shanghai.

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Tensile / Yield Strength of Steel Chart

tensile - yield strength of steel chart Tensile / yield strengths and ductilities for some of the plain carbon and low alloy steels are given in the following mechanical properties of steel chart. Yield Strength, Tensile Strength and Ductility Values for Steels at Room Temperature

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Evaluation of toughness in AISI 4340 alloy steel

(untempered) AISI 4340 steel has shown that compared to conventional austenitizing at 870~ increasing the austenitizing temperature to 1200~ can raise the plane strain fracture toughness (Kic) by a factor of two (without reduction in yield strength). However, concurrent with this improvement in Kic there is an

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4340 Steel - 4340 Steel Plate Pennsylvania Steel Corporation

The more uniform the hardness along with a fine grain microstructure yields a higher fatigue and tensile strength for difficult applications. FLEXOR® has an added benefit over 4340 alloy steel.

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