Grade DIN35CrMo4 CNBM Alloy Steel Round Bar

Grade DIN35CrMo4 CNBM Alloy Steel Round Bar

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Specification

Type:

Gear Steel

Shape:

Steel Round Bar

Specifications:

1. Commodity: Alloy Steel Round Bar

2. Technical: Hot rolling

3. Length: Min. 5.8meter, according to requirement.

4.Diameter: 16mm-250mm

Chemical Composition:

Grade	C	Si	Mn	Cr	P	S	Ni	Cu	Mo
35CrMo4	0.32-0.40	0.17-0.37	0.40-0.70	0.80-1.10	≤0.035	≤0.035	≤0.03	≤0.03	0.15-0.25

Mechanical Property:

Grade	Tensile Strengthσb (MPa)	Yield Strength	Elongation	Reduction of Area ψ (%)	Impact Akv(J)	Hardness
		σs (MPa)	δ5 (%)
35CrMo4	≥980(100)	≥785(80)	≥9	≥45	≥47	≤207HB

Usage and Applications:

Gear, Sleevesspool,Shaft, Crankshaft, Pin

Packaging & Delivery:

Packaging Detail: Standard seaworthy packing or as customer required; all goods are packed in bundle with steel strips and shipped by break bulk vessel or container

Delivery Detail: 15~45 days

Production Flow:

EAF+LF+VD+ Forged+ Heat Treatment

Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation

Grade DIN35CrMo4 CNBM Alloy Steel Round Bar

Quality Assurance:

1. We will strictly inspect our production that we sold according to the customer’s request.

2. Our steel reaches international quality standards.

3. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.

4. Should the packing found damaged, the buyer has the right to claim to the seller

Q:How does maraging steel achieve high strength through aging?: Maraging steel achieves high strength through a process called aging, which involves heating the steel at a specific temperature for a specific duration. During aging, the alloying elements in maraging steel precipitate into fine particles, creating a strengthening effect. This process enhances the steel's hardness, tensile strength, and resistance to deformation, resulting in its high strength properties.

Q:Can special steel be used in the transportation industry?: Yes, special steel can be used in the transportation industry. Special steel alloys, such as high-strength steels, stainless steels, and heat-resistant steels, offer superior mechanical properties, corrosion resistance, and temperature stability. These properties make them ideal for various applications in transportation, including manufacturing of automobile bodies, aircraft components, railway infrastructure, and shipbuilding. Special steel's durability, strength, and resistance to wear and tear make it an excellent choice for ensuring the safety, reliability, and efficiency of vehicles and transportation systems.

Q:How is electrical steel used in the manufacturing of transformers?: Electrical steel, also known as silicon steel, is crucial in the manufacturing of transformers. It is used to construct the core, which is the heart of the transformer. The unique magnetic properties of electrical steel allow it to efficiently conduct and transfer electrical energy. By laminating thin layers of electrical steel together, the core minimizes energy losses through eddy currents and hysteresis. This ensures optimal performance, high efficiency, and reduced heat generation in transformers.

Q:Can special steel be used in the medical device manufacturing industry?: Yes, special steel can be used in the medical device manufacturing industry. Special steel, such as stainless steel, is often used in the production of medical devices due to its corrosion resistance, high strength, and biocompatibility. It is commonly used for surgical instruments, orthopedic implants, and other medical equipment where durability and hygiene are crucial.

Q:How is high-strength steel used in the automotive industry?: High-strength steel is widely used in the automotive industry for its ability to enhance the safety and performance of vehicles. It is used in various components such as the frame, chassis, and body structure to improve structural integrity, reduce weight, and provide better crash protection. Additionally, high-strength steel allows automakers to design vehicles with improved fuel efficiency and increased load-carrying capacity, making it a crucial material in modern automotive manufacturing.

Q:How is precipitation-hardening steel used in aerospace applications?: Precipitation-hardening steel is widely used in aerospace applications due to its exceptional strength-to-weight ratio and resistance to corrosion. This type of steel is heat-treated to create a fine dispersion of precipitates, which significantly enhances its mechanical properties. In aerospace, it is commonly used for manufacturing critical components such as landing gear, structural frames, and engine parts. These materials provide the necessary strength and durability required to withstand the demanding conditions of flight while reducing weight to improve fuel efficiency and overall performance.

Q:How is special steel used in the medical industry?: Special steel is used in the medical industry for a variety of applications such as surgical instruments, implants, and medical devices. The properties of special steel, including its strength, corrosion resistance, and biocompatibility, make it ideal for these purposes. It ensures the safety and effectiveness of medical procedures, allowing for precise and durable tools and implants that are essential for patient care.

Q:What are the properties of carbon steel?: Carbon steel is a type of steel that primarily consists of iron and carbon, with trace amounts of other elements. It is known for its strength, durability, and high melting point. Carbon steel is also highly malleable, making it easy to form into various shapes and structures. Additionally, it exhibits good corrosion resistance, although it is not as resistant as stainless steel. Overall, carbon steel is widely used in industries such as construction, automotive, and manufacturing due to its excellent mechanical properties.

Q:What are the common failures or issues with special steel?: Some common failures or issues with special steel can include brittleness, poor weldability, susceptibility to corrosion, and difficulty in heat treatment. Additionally, defects such as inclusions, voids, or cracks can also be observed, impacting the overall integrity and performance of the steel.

Q:What are the properties of martensitic steel?: Martensitic steel is a type of stainless steel known for its high strength, hardness, and resistance to corrosion. It is characterized by a unique microstructure, formed through rapid cooling or quenching from high temperatures, which results in a hard, brittle material. Martensitic steel typically exhibits excellent wear resistance, making it suitable for applications such as cutlery, knives, and industrial tools. However, it may have reduced toughness and lower ductility compared to other stainless steel types.

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