9Cr2 Hardware Tool Steel Bar

 

 

The high hardness of 9Cr2 steel bar allows for the creation of tools with extremely sharp edges that can hold up under intense cutting and shaping operations. Whether it's for precision machining or rough carpentry work, this steel bar can deliver the performance needed.

 

In addition to its cutting capabilities, 9Cr2 is also known for its ability to withstand impact. The toughness of this steel bar means that it can absorb sudden shocks without breaking or deforming. This is especially important for tools that are used in dynamic applications where unexpected forces may be encountered.

 

The heat treatment process for 9Cr2 can be fine-tuned to achieve specific mechanical properties. By varying the temperature and duration of heating and cooling, manufacturers can optimize the hardness, toughness, and other characteristics of the steel bar to meet the exact requirements of different tools.

 

9Cr2 Chemical composition:

 

C	Si	Mn	S	P	Cr	Ni	Cu
0.80~0.95	≤0.40	≤0.40	≤0.030	≤0.030	1.30~1.70	≤0.25	≤0.30

 

9Cr2 Mechanical Properties:

 

Yield strength σs (MPa):	Tensile strength σb (MPa):	Elongation δ5 (%):	Reduction of area ψ (%):	Hardness:
≥650(115)	≥850(130)	≥10	≥40	≤ 210HB

 

Process specification:

 

Critical point temperature (approximate value)

Ac1 =740°C, Ar1 =700°C, Accm:850°C

General softening specification for cold pressed blanks

(820±10)°c ×3 ~4h, with a cooling rate of .≤15°C/h, slowly cooling with the furnace to ≤650°C, and then air cooling.

Specification for isothermal spheroidization and softening of cold pressed blanks

(820±10)°C ×3 ~4h, (720 ±10) °C ×6 ~8h, then slowly cooled with the furnace to ≤600°C, and then air cooled.

The hardness before treatment is less than or equal to 217HBW, and the hardness after treatment is more than or equal to 170HBW.

 

 

Moreover, 9Cr2 Hardware Tool Steel Bar's aesthetic appeal should not be overlooked. Its smooth finish and consistent texture give it a professional look that enhances the overall quality of the tools made from it.

 

In conclusion, 9Cr2 Hardware Tool Steel Bar is a material of exceptional quality and versatility. Its combination of hardness, wear resistance, toughness, corrosion resistance, and heat treatability make it an ideal choice for a wide range of applications. Whether it's for industrial manufacturing or personal projects, 9Cr2 steel bar continues to prove its worth as a top-notch tool material.

 

 

 

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