SK2 Carbon Tool Steel

SK2 Carbon Tool Steel is a high-quality steel that is widely used in various industries. It boasts several properties that make it a popular choice for making cutting tools, die sets, and other precision components.

One of the great things about SK2 Carbon Tool Steel is its high carbon content. This high carbon content makes it exceptionally hard and able to retain a sharp edge longer than other steels. This means that tools made from SK2 can last longer, perform better, and require less maintenance than those made from other materials.

Another benefit of SK2 Carbon Tool Steel is its wear resistance. Because of its high carbon content, SK2 is able to resist wear and tear better than other steels. It can withstand heavy loads and tough conditions, making it a reliable choice for use in high-stress environments.

SK2 Carbon Tool Steel is also incredibly adaptable and versatile. It can be used to create a wide range of tools and components, from drill bits and saw blades to chisels and punches. This versatility makes it a valuable material for many different types of industries.

Specifications

Round bar steel: 1mm to 3000mm

Square-shape steel: 1mm to 2000mm

Plate steel:0.1mm to 2500mm

Width: 10mm to 2500mm

Lenth: We can supply any lenth based on the customer's requirement.

Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.

Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement

Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement

Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.

Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.

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 Process:
EAF+LF+VD+ Forged+ Heat Treatment (Annealed, Normalized, Q+T)
Processing:
Item heating
temperature/°C
starting
temperature/°C
ending
temperature/°C
cooling
Ingot
Billet
1100~1150
1050~1100
1050~1100
1020~1080
850~750
800~750
700°C sand cooling
700°C air cooling
Chemical Composition (%):
C Si Mn S P
1.15~1.24 ≤0.35 ≤0.40 ≤0.030 ≤0.035

Machining performance

When it comes to machining performance, SK2 carbon tool steel is known for its excellent machinability. It can be easily turned, drilled, milled, and ground with conventional tools, which makes it a popular choice for machinists. The material also produces a smooth surface finish and tolerates high cutting speeds, which helps to improve productivity and efficiency in the manufacturing process.

Principal Design Features

One of the great things about SK2 Carbon tool steel is that it can be heat-treated to achieve a wide range of properties, making it highly versatile and adaptable to many different applications. It has excellent forging and machining properties and can be easily welded.

Industrial manufacturers appreciate the durability and longevity of SK2 Carbon tool steel which reduces their maintenance costs. By using this high-speed steel, production times can be reduced, and overall output increased.

Machinability

Machining SK2 carbon tool steel requires careful attention to the cutting tools and parameters used. Tungsten carbide is the preferred material for cutting tools when machining SK2 carbon tool steel due to its high hardness and wear resistance. The cutting tools must also be sharp and have a low rake angle to prevent excessive tool wear and tool breakage.

When machining SK2 carbon tool steel, it is important to use appropriate cutting speeds, feeds, and depth of cut. The cutting speed should be slow to prevent excessive heat buildup that can cause deformation and tool failure. The feed rate should be moderate to prevent tool wear and tool breakage. The depth of cut should be shallow to prevent overloading the machine and the tool.

Heat Treatment

CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding

Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.

Forging

Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.

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