Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

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Qingdao
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TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
100000 m.t./month
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Item specifice

Type:
Carbon Steel,Spring Steel,Bearing Steel,Gear Steel,Deformed Steel,Stainless Steel,Alloy Steel
Shape:
Steel Coil,Steel Sheet,Steel Wire Rod,Steel Flat Bar,Steel Square Bar,Steel Angle,Steel Round Bar,Steel Billets
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
12-500mm
Width:
12-500mm
Length:
6-12m
Outer Diameter:
12-500mm
Net Weight:
100kg
Packaging:
seaworthy packaging

Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

Detailed Information of Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

NameSteel Round Bar
ShapeRound Bar/Square Bar/Flat Bar/Plate/Wire
StandardGB/ASTM/SAE/AISI/DIN/JIS/EN/BS
Surface Treatment:Black/Peeling/Polished/Machined  
Delivery Condition:Hot Rolled or Forged/Peeled or Black Surface
TestSGS/UT 100% Elements Testing
Certificate:ISO/Mill Certificate
Service:24 hours online service /
more than 20 years trading and manufacture 
Quality Assurance:the third party inspection, such as SGS, BV, TUV…etc. is acceptable
Packaging Details:Seaworthy Packaging or as per customer's packing instruction

Product Overviews of Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

Product NameTypical GradesDiameter(mm)Standard Adopted
Carbon Steel20 (1020/S20C/C22)  
40 (1040/S40C/C40)Ø16-Ø300 
45 (1045/S45C/C45)  
Bearing SteelGCr9 (51100/SUJ1)  
GCr15 (52100/SUJ2/100Gr6)Ø12-Ø250 
GCr9SiMn (A485-Gr.1/SUJ3) GB/SAE/
Cr-Mo Steel20Cr (5120/SCr420H/20Cr4) JIS/DIN
40Cr (5140/SCr440/41Cr4)Ø12-Ø250 
42CrMo(4140/SCM440/42CrMo4)  
Gear Steel20CrNiMo  
20CrMn(5115/SMnC420/20MnCr5)Ø16-Ø600 
20CrNiMo(8620/SNCM220/20CrMiMo2)  

Company Introduction of Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

 

Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

 

After-sale servicel  CNBM provides the services and support you need for every step of our cooperation. We’re the business partners you can trust; you can relax and get on with doing business. 
l  For any problem, please kindly contact us at any your convenient time, we’ll reply you in our first priority within 24 hours
 
Advantages l  Industry experience over 20 years.
l  Shipment of goods -More than 70 countries worldwide.
l  The most convenient transport and prompt delivery.
l  Competitive price with best service.
l  High technical production line with top quality products.
l  High reputation based on best quality products.
 
 

Packaging & Delivery of Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

 

Packaging DetailSea worthy packing /as per customer's packing instruction
Delivery Detail15 ~ 40 days after receiving the deposit

Products Show

Forged DIN 25CrMO4 30CrMo Alloy Steel Bar

FAQ:

 

Are you a trading company or manufacturer?Manufacturer
What’s the MOQ?1000m2 
What’s your delivery time? 15-20 days after downpayment received
Do you Accept OEM service?Yes
what’s your delivery terms?FOB/CFR/CIF
What's the Payment Terms?30% as deposit,70% before shipment by T/T
Western Union acceptable for small amount.
L/C acceptable for large amount.
Scrow ,Paybal,Alipay are also ok 
Why  choose  us?Chose happens because of quality, then price, We can give you both.
Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
What's your available port of Shipment?Main Port, China
What’s your featured  services?Our service formula: good quality+ good price+ good service=customer's trust
Where are your Market?Covering more than 160 countries in the world

 

Q:
There are several corrosion protection techniques used for special steel, including: 1. Coating: Applying a protective layer of paint, powder coating, or other chemical coatings helps create a barrier between the steel and the corrosive elements in the environment. 2. Galvanization: Immersing the steel in molten zinc creates a protective coating that prevents corrosion by sacrificing itself to protect the steel underneath. 3. Cathodic protection: This technique involves connecting the steel to a sacrificial anode made of a more reactive metal, such as zinc or magnesium. The anode corrodes instead of the steel, providing protection. 4. Passivation: Treating the steel with chemicals or an oxidizing agent forms a thin, passive layer on the surface, which helps prevent further corrosion. 5. Alloying: Adding specific alloying elements, such as chromium or nickel, to the steel composition can enhance its corrosion resistance properties. 6. Barrier protection: Using barriers like plastic coatings or rubber linings can physically isolate the steel from the corrosive environment, preventing direct contact and corrosion. 7. VCI (Volatile Corrosion Inhibitor): Packaging the steel in a material that releases special compounds, such as VCI paper or film, can create a protective atmosphere around the steel, inhibiting corrosion. These techniques can be used individually or in combination to provide effective corrosion protection for special steel, depending on the specific requirements and the environment in which the steel is exposed.
Q:
Tool steel forgings possess a variety of qualities that render them highly valuable for diverse applications. Primarily, tool steel forgings are renowned for their remarkable durability and strength. They are specifically engineered to endure significant levels of stress, making them ideal for situations where toughness and resistance to wear and tear are indispensable. This strength empowers tool steel forgings to retain their shape and integrity even under extreme circumstances, such as elevated temperatures or heavy loads. Another noteworthy characteristic of tool steel forgings is their exceptional hardness. Through the process of quenching and tempering, tool steel achieves substantial levels of hardness. This technique involves heating the steel to a precise temperature and rapidly cooling it. This hardness endows tool steel forgings with remarkable resistance to abrasion, making them well-suited for activities involving cutting, shaping, and molding materials. Furthermore, tool steel forgings exhibit superb dimensional stability. Consequently, they experience minimal distortion or shrinkage when exposed to heat or pressure. This quality renders them ideal for applications that demand precision tooling. Moreover, their dimensional stability ensures that the forgings maintain their accuracy and reliability over time, a crucial aspect in industries such as manufacturing and engineering. Additionally, tool steel forgings offer excellent machinability, meaning they can be conveniently shaped, drilled, and cut to fulfill specific requirements. This versatility and adaptability enable their utilization in a wide range of applications, from forming intricate shapes to crafting elaborate designs. Lastly, tool steel forgings possess outstanding wear resistance. This characteristic enables them to retain their cutting edges and surfaces for prolonged periods, thereby reducing the need for frequent sharpening or replacement. This wear resistance proves especially advantageous in industries such as automotive, aerospace, and tool manufacturing, where longevity and efficiency are paramount. In conclusion, the primary qualities of tool steel forgings encompass exceptional durability and strength, high hardness, excellent dimensional stability, good machinability, and excellent wear resistance. These characteristics bestow tool steel forgings with immense desirability across various industries, where reliability, precision, and longevity are crucial.
Q:
The main advantages of using special steel in the oil and gas industry are its high strength and resistance to corrosion, which enhances the durability and longevity of equipment and pipelines. Special steel also has excellent heat resistance, allowing it to withstand high temperatures and pressures commonly found in oil and gas operations. Additionally, special steel offers superior weldability and machinability, making it easier to fabricate and install in complex infrastructure.
Q:
The main factors affecting the corrosion resistance of special steel are the composition of the steel, the presence of alloying elements, the surface condition, the exposure environment, and the presence of protective coatings or treatments.
Q:
Surface peening is a process used to improve the mechanical properties of special steels by inducing compressive stresses on the surface. This technique helps to enhance the fatigue life, resistance to stress corrosion cracking, and overall durability of the material. There are several methods of surface peening that can be employed on special steel, including: 1. Shot Peening: This method involves bombarding the surface of the steel with high-velocity spherical particles, known as shot. The impact of the shot particles creates plastic deformation and induces compressive stresses on the surface. Shot peening is widely used due to its effectiveness in improving fatigue life. 2. Ultrasonic Peening: Ultrasonic peening utilizes high-frequency vibrations to induce compressive stresses on the surface of the steel. The vibrations are applied through a tool that is in contact with the surface, causing plastic deformation and the generation of compressive stresses. 3. Laser Peening: In laser peening, a high-energy laser beam is used to create shockwaves on the surface of the steel. These shockwaves induce plastic deformation and generate compressive stresses. Laser peening is known for its precision and ability to target specific areas of the material. 4. Cavitation Peening: This method involves creating cavitation bubbles in a liquid medium near the surface of the steel. The collapse of these bubbles generates high-intensity shockwaves that induce compressive stresses on the surface. Cavitation peening is particularly useful for irregularly shaped components. 5. Needle Peening: Needle peening is a technique where a bundle of fine needles is repeatedly impacted on the surface of the steel. This process induces plastic deformation and generates compressive stresses. Needle peening is commonly used for localized treatment of small areas. Each of these methods has its advantages and is suitable for specific applications. The selection of the surface peening method depends on factors such as the type of special steel, component geometry, desired improvements, and available equipment. It is important to consider the specific requirements and consult with experts to determine the most appropriate method for surface peening special steel.
Q:
To ensure the safety, durability, and reliability of special steel used in the nuclear industry, it must meet certain requirements. These requirements encompass the following: 1. Radiation Resistance: Special steel must exhibit high resistance to radiation in order to endure the intense levels present in nuclear reactors. This entails low neutron absorption and minimal degradation when subjected to irradiation. 2. Strength and Toughness: Given the extreme conditions in which nuclear reactors operate, special steel must possess exceptional strength and toughness to prevent structural failure under high temperatures and pressure. 3. Corrosion Resistance: Steel employed in nuclear applications must have a high resistance to corrosion, as exposure to corrosive environments can compromise the integrity of reactor components. This necessitates low susceptibility to stress corrosion cracking, intergranular corrosion, and pitting corrosion. 4. Impurity Content: Special steel must have a low impurity content to mitigate the risk of radioactive contamination. Impurities within the steel can activate and release radioactive particles, posing a significant safety hazard. 5. Thermal Stability: The steel must maintain its mechanical properties even under elevated temperatures, displaying excellent thermal stability. This ensures reliability and expected performance during prolonged exposure to high heat. 6. Non-Magnetic Properties: Certain nuclear reactor components require non-magnetic materials to prevent interference with sensitive instruments and equipment. Special steel used in these applications must possess non-magnetic properties to meet this requirement. 7. Regulatory Compliance: Special steel used in the nuclear industry must adhere to specific regulatory standards and certifications to confirm its suitability for use in nuclear facilities. These standards may vary by country or region, but generally involve rigorous quality control, testing, and inspection procedures. Compliance with these particular requirements is vital for maintaining the safety and integrity of nuclear reactors. By meeting these standards, special steel can withstand the harsh conditions and potential hazards associated with nuclear power generation.
Q:
Yes, special steel, such as stainless steel or titanium alloys, can be used in the production of surgical instruments. These materials offer excellent corrosion resistance, durability, and biocompatibility, making them suitable for surgical applications that require high precision and sterility.
Q:
There are several surface treatment techniques available for special steel, including electroplating, hot-dip galvanizing, powder coating, and passivation. Electroplating involves depositing a layer of metal onto the steel surface through an electrochemical process, providing enhanced corrosion resistance and aesthetic appeal. Hot-dip galvanizing immerses the steel in molten zinc, forming a protective zinc coating that prevents rusting. Powder coating involves applying a dry powder onto the steel surface, which is then heated and fused to create a durable and decorative finish. Passivation is a chemical process that removes surface contaminants and forms a protective oxide layer on the steel, improving its corrosion resistance.
Q:
The requirements for special steel used in food processing equipment include high corrosion resistance to prevent contamination, excellent hygiene and cleanability properties, high strength and durability to withstand heavy usage, and compliance with food safety regulations and standards.
Q:
Special steel contributes to the energy storage sector by providing crucial components for the construction of various energy storage systems. For instance, it is used in the manufacturing of high-performance batteries, such as lithium-ion batteries, which are widely utilized in electric vehicles and renewable energy storage solutions. The exceptional strength, durability, and corrosion resistance properties of special steel make it ideal for ensuring the longevity and efficiency of these energy storage technologies. Additionally, special steel is also employed in the construction of infrastructure such as storage tanks and pipelines, which are essential for the transportation and distribution of energy resources. Overall, special steel plays a pivotal role in enhancing the reliability and performance of energy storage systems, thereby facilitating the transition towards a more sustainable and efficient energy future.

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