SAE 4145

Alloy Digest ◽  
1986 ◽  
Vol 35 (7) ◽  

Abstract 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.

Alloy Digest ◽  
1975 ◽  
Vol 24 (6) ◽  

Abstract SAE 4135 is a medium-carbon chromium-molybdenum alloy steel for heavy-duty service. Although nominally an oil-hardening grade, it may be water hardened if proper precautions are exercised. It is used for a wide variety of engineering applications. 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-316. Producer or source: Alloy steel mills and foundries.


Alloy Digest ◽  
1986 ◽  
Vol 35 (5) ◽  

Abstract 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.


Alloy Digest ◽  
1979 ◽  
Vol 28 (12) ◽  

Abstract 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.


Alloy Digest ◽  
1988 ◽  
Vol 37 (6) ◽  

Abstract UNS No. H47180 is a low-carbon nickel-chromium-molybdenum carburizing steel recommended for applications requiring a strong, tough core combined with a highly wear-resistant carburized case. It has fairly high hardenability and can be used without carburizing. 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-430. Producer or source: Alloy steel mills and foundries.


Alloy Digest ◽  
1975 ◽  
Vol 24 (5) ◽  

Abstract AISI 8617 is a low-carbon nickel-chromium-molybdenum carburizing steel of good hardenability. Its core is characterized by good strength and toughness. It is recommended for heavy-duty applications such as cams, chains, fasteners, gears, shafts and piston pins. 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-315. Producer or source: Alloy steel mills and foundries.


Alloy Digest ◽  
1973 ◽  
Vol 22 (6) ◽  

Abstract AISI 4718 is a low-carbon nickel-chromium-molybdenum carburizing steel recommended for applications requiring a strong, tough core combined with a highly wear-resistant carburized case. It has fairly high hardenability and can be used without carburizing. 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-289. Producer or source: Alloy steel mills and foundries.


Alloy Digest ◽  
1979 ◽  
Vol 28 (11) ◽  

Abstract AISI 5155 is a low-alloy, through-hardening steel containing nominally 0.80% chromium. It is recommended for uses where medium harden-ability, moderate strength and low-to-moderate toughness are satisfactory. It is normally used in the oil quenched-and-tempered condition; however, it also may be used in the unhardened (annealed, as-rolled or normalized) condition. Its applications include gears, springs, wrenches and machine tool parts. 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-365. Producer or source: Alloy steel mills and foundries.


Alloy Digest ◽  
1980 ◽  
Vol 29 (8) ◽  

Abstract SAE 4147 is a medium-carbon low-alloy steel with relatively high hardenability and good resistance to abrasion, fatigue and impact. It is recommended for moderately severe service. Although nominally an oil-hardening grade, SAE 4147 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 850-1100 F. 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, machining, joining, and surface treatment. Filing Code: SA-375. Producer or source: Alloy steel mills and foundries.


Alloy Digest ◽  
1973 ◽  
Vol 22 (2) ◽  

Abstract 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.


Alloy Digest ◽  
1980 ◽  
Vol 29 (3) ◽  

Abstract AISI 4142 is a medium-carbon low-alloy steel recommended for moderately heavy-duty service. It is nominally an oil-hardening grade; however, it may be water hardened if suitable precautions are taken to avoid cracking. It has a relatively low tendency to develop temper embrittlement. It has a variety of applications including bolts, crankshafts, wrenches, clutch parts and shafting. 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, and joining. Filing Code: SA-370. Producer or source: Alloy steel mills and foundries.


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