16MnCr5 Case Hardening Steel

 

16MnCr5  CHEMICAL COMPOSITION

Grade	C	Si	Mn	P	S	Cr
16MnCr5/1.7131	0.14-0.19	≤ 0.4	1.0-1.3	≤ 0.025	≤ 0.035	0.8-1.1

16MnCr5 STEEL RELATED STANDARD & EQUIVALENT GRADE

CHINA:15CrMn

USA:5120

France:16MC5

UK:590M17

 

16MnCr5 STEEL PHYSICAL PROPERTY

Density, g/cm3	7.89
Melting point,℃	1445
Specific heat capacity,(0~100℃),J/(kg.k)	481
Linear expansion coefficient,10^-6/k	12.59
Poisson's ratio	0.28
Elastic Modulus,Mpa	211000
Shear modulus,Mpa	82600
Thermal conductivity,W/(m.K)	41(101℃)

 

16MnCr5 STEEL FORGING

Initial Forging Temperature：1150℃

Final Forging Temperature：>800℃

Forging Ratio：above 4:1

Cooling Method After Forged:As low carbon alloy steel,16MnCr5 steel is generally treated by slow cooling in sands after forging.

 

In terms of mechanical properties, 16MnCr5 steel offers high tensile strength, yield strength, and hardness. It has good ductility and toughness, allowing it to withstand impact loads and deformation without fracturing. The steel also exhibits good fatigue resistance, making it suitable for applications where cyclic loading is present.

 

Heat treatment plays a crucial role in enhancing the properties of 16MnCr5 steel. The most common heat treatment processes for this steel include quenching and tempering. Quenching rapidly cools the steel to harden it, while tempering reduces the brittleness and improves the toughness. Case hardening processes such as carburizing or nitriding can also be employed to further increase the surface hardness and wear resistance.

 

16MnCr5 steel is available in various forms, including bars, sheets, and forgings. It can be easily machined using conventional machining methods, although proper tooling and cutting parameters should be selected to ensure good surface finish and dimensional accuracy. Welding of 16MnCr5 steel can be challenging due to its hardenability, but it can be accomplished using appropriate welding techniques and preheating.

 

In applications, 16MnCr5 steel is widely used in the automotive industry for transmission components, gears, and shafts. It is also employed in machinery and equipment manufacturing, as well as in the aerospace and defense sectors. The steel's combination of strength, wear resistance, and toughness makes it a reliable choice for demanding applications.

 

Overall, 16MnCr5 case hardening steel is a versatile and reliable material that offers excellent mechanical properties and heat treatment capabilities. Its ability to be case hardened makes it suitable for a wide range of applications where high strength and wear resistance are required. With proper heat treatment and machining, 16MnCr5 steel can provide long service life and reliable performance.

 

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