• Steel SCr440 Mild Carbon Steel Special Steel System 1
  • Steel SCr440 Mild Carbon Steel Special Steel System 2
  • Steel SCr440 Mild Carbon Steel Special Steel System 3
Steel SCr440 Mild Carbon Steel Special Steel

Steel SCr440 Mild Carbon Steel Special Steel

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Item specifice

Type:
Carbon Steel
Shape:
Steel Round Bar
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Thickness:
as required
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Length:
as required
Net Weight:
as required

Specifications                                  GCr15 steel                 

1.round steel 

2.ISO9001:2008 certificate

3.Competive price and Best quality

4.On-time delivery


Chemical Composition(GB)%

CSiMnCrNi
0.37-0.440.17-0.370.50-0.800.80-1.10≤0.30

 

Heat Treatment

ItemTemperature ℃Hardness
Normalizing850-870179-229HB

 

Characterstics: Which has the best comprehensive mechanical properties

 

Applications

1.Can be used for drawing die and plastic mould
2.Can be used for middle and small punch


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Workshop show:

Steel SCr440 Mild Carbon Steel Special Steel

FAQ:

1, Your advantages?

     professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale

2, Test & Certificate?

      SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3, Payment Terms?

    30% TT as deposit and 70% before delivery.

    Irrevocable L/C at sight.

4, Trading Terms?

    EXW, FOB, CIF, FFR, CNF

5, After-sale Service?

     We provides the services and support you need for every step of our cooperation. We're the business partner you can trust.

     For any problem, please kindly contact us at any your convenient time.

     We'll reply you in our first priority within 24 hours.



Q:How can I determine the cooling water flow of square billet mold for special steel?
Mold heat balance method. If the heat of the molten steel in the mould is taken away from the cooling water, the heat released by the solidification of the molten steel is equal to the amount taken away by the cooling water
Q:How is high-strength stainless steel used in the production of structural components?
High-strength stainless steel is used in the production of structural components due to its exceptional mechanical properties. Its high tensile strength, corrosion resistance, and durability make it an ideal material for constructing load-bearing parts such as beams, columns, and supports. Additionally, the stainless steel's ability to withstand harsh environments ensures the longevity and reliability of these structural components.
Q:How does special steel contribute to the safety of infrastructure?
Special steel contributes to the safety of infrastructure by providing enhanced strength, durability, and resistance to corrosion. This type of steel is specifically designed and manufactured to withstand extreme conditions and load-bearing requirements, making it ideal for critical infrastructure components such as bridges, buildings, and pipelines. The use of special steel ensures that these structures can withstand natural disasters, heavy traffic, and other potential threats, reducing the risk of collapse or failure and enhancing overall safety for users and communities.
Q:How does special steel perform under low temperatures?
Special steel performs well under low temperatures due to its high ductility, toughness, and resistance to brittleness. It retains its strength and structural integrity, making it ideal for applications in extreme cold environments such as cryogenic storage, sub-zero manufacturing, and Arctic exploration.
Q:What are the factors that affect the machinability of special steel?
The factors that affect the machinability of special steel include the composition and microstructure of the steel, hardness and strength of the material, cutting tool material and geometry, cutting speed and feed rate, coolant or lubrication used during machining, and the presence of any impurities or surface defects on the steel.
Q:How does special steel perform in high-stress corrosion cracking environments?
Special steel is specifically designed to perform well in high-stress corrosion cracking environments. This type of steel is highly resistant to corrosion and can withstand the combination of stress and corrosive elements present in these environments. Its unique composition and manufacturing process make it more durable and less prone to cracking, ensuring its reliable performance in such challenging conditions.
Q:What are the challenges in welding special steel alloys?
Welding special steel alloys poses several challenges due to their unique properties and composition. Some of the main challenges in welding special steel alloys include: 1. High melting point: Special steel alloys often have higher melting points compared to regular steel, which requires higher heat input during the welding process. This can result in difficulties in achieving proper fusion and may require specialized welding equipment and techniques. 2. Thermal expansion mismatch: Special steel alloys may have different coefficients of thermal expansion compared to the base metal or other materials being joined. This can lead to the formation of stress and distortion during welding, which can affect the structural integrity of the welded joints. 3. Sensitivity to heat: Certain special steel alloys are more susceptible to heat-affected zone (HAZ) cracking and other forms of weld defects. The high heat input during welding can cause the formation of brittle phases or precipitates, leading to reduced mechanical properties and potential weld failures. 4. Metallurgical changes: Welding special steel alloys can result in significant metallurgical changes in the base metal and the heat-affected zone. These changes include the formation of new microstructures, changes in hardness, and variations in the chemical composition. These alterations can impact the overall performance and properties of the welded joints. 5. Pre-weld and post-weld treatments: Special steel alloys often require specific pre-weld and post-weld treatments to minimize the risk of weld defects and optimize the properties of the welded joints. These treatments may include preheating, post-weld heat treatment, or the use of specialized filler metals to ensure proper weld integrity. 6. Limited availability of consumables: Special steel alloys may have limited availability of suitable consumables, such as filler metals and shielding gases, which are essential for achieving quality welds. The lack of appropriate consumables can make it challenging to find compatible materials that can provide adequate strength and corrosion resistance in the welded joints. To overcome these challenges, it is crucial to have a thorough understanding of the specific properties and requirements of the special steel alloy being welded. Proper welding techniques, including heat control, filler material selection, and post-weld treatments, should be employed to ensure high-quality welds with optimal mechanical properties and structural integrity. Additionally, collaboration with material suppliers, welding experts, and adherence to industry standards and guidelines can help address the challenges associated with welding special steel alloys effectively.
Q:Can special steel be used in power generation applications?
Yes, special steel can certainly be used in power generation applications. Special steel refers to various types of steel that are specifically designed to have enhanced properties such as high strength, durability, heat resistance, corrosion resistance, and wear resistance. These properties make special steel ideal for use in power generation applications where the materials need to withstand high temperatures, pressures, and mechanical stresses. In power generation, special steel can be used in various components and equipment, such as turbine blades, boiler tubes, heat exchangers, steam pipes, and high-pressure valves. For example, in thermal power plants, where fossil fuels are burned to generate electricity, special steel is commonly used in boiler tubes and heat exchangers to withstand the high temperatures and pressures of the steam generation process. Additionally, in nuclear power plants, special steel is used in critical components like reactor vessels, steam generators, and fuel cladding due to its excellent strength, resistance to radiation damage, and corrosion resistance. Furthermore, special steel is also used in renewable energy power generation applications. For instance, in wind turbines, special steel is used in the construction of turbine towers, rotor blades, and gearboxes, as it needs to withstand high wind speeds, vibrations, and fatigue. Overall, special steel plays a crucial role in power generation applications due to its exceptional properties, ensuring the reliability, efficiency, and longevity of the equipment and components used in various power generation systems.
Q:What are the different wear-resistant grades of special steel?
There are several different wear-resistant grades of special steel, including but not limited to, AR400, AR500, AR600, Hardox 400, Hardox 450, Hardox 500, Hardox 600, Bisplate 400, Bisplate 450, Bisplate 500, Bisplate 600, and Creusabro 4000. These grades are specifically designed to withstand abrasive wear and impact, making them ideal for applications in industries such as mining, construction, and manufacturing.

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