JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Type:
Stainless Steel,Deformed Steel,Gear Steel,Bearing Steel,Spring Steel,Alloy Steel,Carbon Steel
Shape:
Steel Billets,Steel Angle,Steel Square Bar,Steel Flat Bar,Steel Wire Rod,Steel Sheet,Steel Coil,Steel Round Bar
Technique:
Hot Rolled,Cold Rolled,Spring,EFW,Extruded,Saw,Forged,ERW,Cold Drawn
Surface Treatment:
PVDF Coated,Black,Bright,Polished,Chromed Passivation,Dry,Oiled,Color Coated,Copper Coated,Coated,Galvanized
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
6-200mm
Width:
6-200mm
Length:
6m
Outer Diameter:
6-200mm
Net Weight:
1m.t.
Packaging:
seaworthy packaging
JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
Details Information of JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
| Name | SAE1045 Carbon Steel Round Bar |
| Shape | Round Bar/Square Bar/Flat Bar/Plate/Wire |
| Standard | GB/ASTM/SAE/AISI/DIN/JIS/EN/BS |
| Surface Treatment: | Black/Peeling/Polished/Machined |
| Delivery Condition: | Hot Rolled or Forged/Peeled or Black Surface |
| Test | SGS/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 |
| Carbon structure round bar | Q195 Q235A Q235B 10# 20#-55# S45CB |
| Low alloy high strength round bar | Q345A/Q345C/Q345D Q345B Q345E |
| Alloy structure round bar | SAE51B20 20Cr 40Cr 40CrV 20CrMo/30CrMo/35CrMo/42CrMo 20CrMoA/30CrMoA/35CrMoA/42CrMoA/42Cr ML20CrMo/ML30CrMo/ML35CrMo/ML42CrMo B7/SCM435-440 20MnTiB 20CrMnMo 20CrMoH 42CrMoH 40MnB/40MnBH 30Mn2-40Mn2 27SiMn 50CrVA 30CrMnTi |
| Pinion steel | 20CrMnTi 20CrMnTiH 20CrMnTiHCS/20CrMnTiHLD Q20CrMnTi-1/Q20CrMnTi-2 |
| Sucker rod | 20-35CrMoA |
| Free-cutting steel | GT1215S |
| Spring steel | 60Si2MnA 65Mn |
| Ball bearing steel | GCr15 |
Chemical Composition of JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
| C | Si | Mn | P | S | Cr | Ni | Cu |
| 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
| Tensile strength (σb/MPa) | Yield strength (σb/MPa) | Elongation (δ5/%) |
| ≥410(42) | ≥245(25) | ≥25 |
Company Introduction of JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
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.
Certificates of JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
Packaging & Delivery of JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
Packaging Detail | Sea worthy packing /as per customer's packing instruction |
Delivery Detail | 15 ~ 40 days after receiving the deposit |
Products show of JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
FAQ
Are you a trading company or manufacturer? | Manufacturer |
What’s the MOQ? | 3 metric ton |
What’s your delivery time? | 15-35 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: How does tool and die steel maintain its hardness and wear resistance?
- Tool and die steel maintains its hardness and wear resistance through a combination of factors. Firstly, it is made from high carbon content steel, which provides inherent hardness. Additionally, it undergoes heat treatment processes such as quenching and tempering, which further enhance its hardness and wear resistance. These processes involve rapid cooling and reheating to precisely controlled temperatures, transforming the steel's microstructure and creating a fine, uniform grain structure. This refined grain structure improves the steel's hardness and resistance to wear, making it suitable for demanding tool and die applications.
- Q: How is special steel used in the construction manufacturing process?
- Special steel is used in the construction manufacturing process for its unique properties such as high strength, durability, and resistance to corrosion. It is commonly used to fabricate structural components, reinforcement bars, and other critical elements in buildings, bridges, and infrastructure projects. Additionally, special steel alloys are utilized in the production of specialized tools and machinery used in the construction industry.
- Q: What are the requirements for special steel used in automotive parts manufacturing?
- The requirements for special steel used in automotive parts manufacturing are specific and crucial to ensure superior performance, safety, and durability of the vehicles. Here are some of the key requirements for special steel used in automotive parts manufacturing: 1. Strength and Hardness: Special steel used in automotive parts needs to have high strength and hardness to withstand the extreme stresses and loads that automotive components experience. This ensures the parts can endure heavy usage, resist deformation, and prevent failure under demanding conditions. 2. Ductility and Toughness: While being strong and hard, special steel must also possess good ductility and toughness. Ductility allows the steel to be formed and shaped into various intricate automotive parts, while toughness ensures that the parts can absorb energy and resist fracture or cracking upon impact. 3. Corrosion Resistance: Automotive parts are constantly exposed to various environmental conditions, including moisture, humidity, and road salts. Special steel used in automotive parts must exhibit excellent corrosion resistance to prevent rust and deterioration, thereby increasing the longevity and reliability of the parts. 4. Weldability: As automotive parts are often assembled through welding processes, it is essential for special steel to have good weldability. This allows for efficient and secure joining of different components, ensuring structural integrity and minimizing the risk of weld defects. 5. Heat Resistance: Special steel used in automotive parts manufacturing should have sufficient heat resistance to withstand high temperatures generated during engine operation, friction, or other thermal processes. This ensures that the steel maintains its mechanical properties even under extreme heat conditions, preventing premature failure or deformation. 6. Fatigue Strength: Automotive parts are subjected to repeated loading and unloading cycles, leading to fatigue failure if the steel does not have adequate fatigue strength. Special steel should possess high fatigue strength to withstand cyclic loading and resist fatigue cracks, enhancing the durability and reliability of the parts. 7. Dimensional Stability: Automotive parts need to maintain their shape and dimensions over time to ensure proper fit and functionality. Special steel used in manufacturing should exhibit dimensional stability, minimizing any warping or distortion during heat treatment or operational conditions. 8. Cost-effectiveness: While meeting the above requirements, special steel should also be cost-effective for automotive parts manufacturing. This means that the steel should be reasonably priced, readily available, and offer a good balance between cost and performance. Meeting these requirements is crucial for manufacturers to produce high-quality automotive parts that meet industry standards, perform optimally, and contribute to the overall safety and performance of vehicles.
- Q: How does special steel contribute to the manufacturing of industrial machinery?
- Special steel plays a crucial role in the manufacturing of industrial machinery by providing superior strength, durability, and resistance to extreme conditions. It allows for the construction of components that can withstand heavy loads, high temperatures, and corrosive environments, ensuring the reliability and longevity of the machinery. Additionally, special steel's unique properties enable the production of precise and intricate parts, enhancing the overall performance and efficiency of industrial machinery.
- Q: What are some examples of special steel alloys?
- Various industries widely use special steel alloys, and stainless steel serves as one prominent example. It boasts a minimum chromium content of 10.5%, rendering it highly resistant to corrosion. Stainless steel finds common applications in the manufacturing of kitchen utensils, medical equipment, and automotive parts. Another prime instance is tool steel, which possesses exceptional hardness and wear resistance. This type of steel often finds use in the production of cutting tools, molds, and dies. High-speed steel stands as yet another distinct special steel alloy renowned for its ability to maintain hardness under elevated temperatures. This quality makes it ideal for manufacturing cutting tools employed in high-speed machining operations. Alloy steel falls into a broad category that encompasses various steel alloys, each exhibiting specific properties. For instance, low alloy steel incorporates small quantities of other elements like manganese, nickel, or silicon to enhance its strength and toughness. The construction industry frequently employs this steel type. Additionally, maraging steel represents a unique alloy combining high strength with excellent toughness. Aerospace applications, including aircraft landing gear and missile components, often rely on its capacity to withstand high stress and impact. In conclusion, the aforementioned examples merely scratch the surface of the extensive range of special steel alloys available. Each alloy caters to specific requirements and applications, spanning industries from construction to aerospace.
- Q: How does special steel perform in terms of fatigue strength?
- Special steel generally performs very well in terms of fatigue strength. Due to its unique composition and production process, special steel exhibits high resistance to the progressive and cumulative damage caused by cyclic loading. This makes it highly durable and reliable, even under repeated stress and strain, making it a preferred material for applications that require exceptional fatigue performance, such as aerospace, automotive, and heavy machinery industries.
- Q: How does the hardness of special steel affect its machinability?
- The hardness of special steel has a significant impact on its machinability. In general, as the hardness of the steel increases, its machinability decreases. Machinability refers to the ease with which a material can be machined or shaped using various machining processes such as cutting, drilling, or milling. Hardness is a measure of a material's resistance to indentation or scratching. It is typically measured using the Rockwell hardness scale or the Brinell hardness test. Special steel, which is known for its high strength and durability, often has a higher hardness compared to other types of steel. When machining special steel, a harder material poses challenges for several reasons. Firstly, harder materials are more difficult to cut, as they require higher cutting forces and generate more heat during the machining process. This can lead to increased tool wear and shorter tool life, resulting in higher production costs. Secondly, hard steel tends to have lower ductility and toughness, making it more prone to cracking or chipping during machining. This can lead to poor surface finish, dimensional inaccuracies, and even component failure. Moreover, the increased hardness of special steel also affects chip formation. Harder materials tend to produce shorter and more segmented chips, which can cause issues with chip evacuation and tool clogging. This can further hinder the machining process and affect the overall productivity. To improve the machinability of hard special steel, various strategies can be employed. The selection of appropriate cutting tools with specific geometries and coatings designed for hard materials is crucial. Additionally, optimizing cutting parameters such as cutting speed, feed rate, and depth of cut can help reduce the negative effects of hardness on machinability. In conclusion, the hardness of special steel has a direct impact on its machinability. As the hardness increases, the machinability decreases due to increased cutting forces, higher tool wear, reduced ductility, and chip formation challenges. However, with proper tool selection and optimization of cutting parameters, the machinability of hard special steel can be improved, enabling efficient and cost-effective machining processes.
- Q: What are the different methods of surface powder coating for special steel?
- There are several methods of surface powder coating that are commonly used for special steel. These methods include: 1. Electrostatic powder coating: This method involves applying an electric charge to the powder particles and then spraying them onto the steel surface. The charged particles are attracted to the grounded steel, resulting in a uniform and durable coating. 2. Fluidized bed powder coating: In this method, the steel is preheated and then dipped into a fluidized bed of powder particles. The heat causes the powder to melt and form a smooth coating on the steel surface. Excess powder is then removed by shaking or blowing air. 3. Flame spray powder coating: This method involves heating the powder particles using a flame and then spraying them onto the steel surface. The heat melts the powder, which then solidifies to form a coating. Flame spray powder coating is often used for larger steel structures or for repairing damaged coatings. 4. Thermal spray powder coating: This method uses a thermal spray gun to heat and propel the powder particles onto the steel surface. The high velocity of the particles ensures good adhesion and a dense coating. Thermal spray powder coating is often used for high-wear applications or in corrosive environments. 5. UV-cured powder coating: This method involves applying a UV-sensitive powder onto the steel surface and then exposing it to UV light. The UV light initiates a chemical reaction that causes the powder to cure and form a hard coating. UV-cured powder coating is known for its fast curing time and excellent resistance to chemicals and UV radiation. Each of these methods has its own advantages and considerations, and the choice of method will depend on factors such as the specific requirements of the steel surface, the desired coating thickness, and the production volume.
- Q: What are the different types of spring steel?
- There are several types of spring steel, including high carbon spring steel, alloy spring steel, stainless steel, and blue tempered spring steel. Each type has different properties and is used for various applications in industries such as automotive, construction, and manufacturing.
- Q: What are the applications of special steel in the oil and gas supply chain?
- Special steel has various applications in the oil and gas supply chain. It is commonly used in the construction of pipelines, drilling equipment, and offshore platforms. Special steel's high strength, corrosion resistance, and ability to withstand extreme temperatures make it ideal for these applications. Additionally, special steel is used in the manufacturing of valves, fittings, and other components that are crucial for the efficient and safe operation of the oil and gas supply chain.
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JIS SCM440 DIN 42CrMo4 1.7225 Hot rolled AISI 4140 Round Bars Alloy Steel
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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