• 3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet System 1
  • 3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet System 2
  • 3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet System 3
  • 3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet System 4
  • 3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet System 5
  • 3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet System 6
3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet

3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet

Ref Price:
get latest price
Loading Port:
Tianjin
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 Coil

3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet

 

Quick Details

Name

Hot Rolled Steel Coil

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

 

Specification

Standard

Grade

General Size

Delivery Condition

ASTM A36

A36/A36-B

5-20 * 2300-2500 * C

Boron added or Black Condition

ASTM A283

A283-B/A283C

5-20 * 2300-2500 * C

Boron added or Black Condition

ASTM A572

A572Gr50-B/A572Gr42-B

5-20 * 2300-2500 * C

Boron added or Black Condition

ASTM A515

A515Gr70

5-20 * 2300-2500 * C

Black Condition

ASTM A516

A516Gr70

5-20 * 2300-2500 * C

Black Condition

JIS G 3101

SS400-B

5-20 * 2300-2500 * C

Boron added or Black Condition

JIS G3136

SN400B

5-20 * 2300-2500 * C

Boron added or Black Condition

EN10025-2:2004

S235JR-S355K2+N

5-20 * 2300-2500 * C

Boron added or Black Condition

EN10025-5:2004

S355J2W/S355K2W

5-20 * 2300-2500 * C

Black Condition

Application

Widely used in petrochemistry,chemistry,electricity,boiler and vessel manufacture,and could 

be made into reactor,heat exchange facility,segregator,sphere vessel,oil tank,liquid gas storage 

tank,nuclear reactor press shell,turbine and other machines

 

Company Information

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.

 

After-sale service

l  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 

Industry experience over 20 years.

Shipment of goods -More than 70 countries worldwide.

The most convenient transport and prompt delivery.

Competitive price with best service.

High technical production line with top quality products.

High reputation based on best quality products.

 

Product Show

3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet

 

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:What are the different high-temperature grades of special steel?
There are several different high-temperature grades of special steel that are designed to withstand extreme heat and provide enhanced mechanical properties. Some of the most commonly used high-temperature grades include: 1. Stainless steel 310: This grade is known for its excellent resistance to oxidation at high temperatures. It has a high chromium and nickel content, which provides good corrosion resistance and high strength at elevated temperatures. 2. Inconel 625: Inconel alloys are nickel-based superalloys that are highly resistant to oxidation and corrosion. Inconel 625, in particular, offers excellent strength and toughness at high temperatures, making it suitable for applications in the aerospace and chemical processing industries. 3. Hastelloy X: Hastelloy X is a nickel-chromium-iron-molybdenum alloy that exhibits exceptional strength and oxidation resistance at high temperatures. It is commonly used in gas turbine engines, industrial furnace components, and other high-temperature applications. 4. Alloy 800H: This grade of special steel is an austenitic alloy with high resistance to oxidation, carburization, and nitridation. It is often used in heat exchangers, furnace components, and petrochemical applications. 5. Titanium Grade 5: Although not technically a steel, titanium grade 5 is a high-temperature alloy that offers outstanding strength and corrosion resistance at elevated temperatures. It is commonly used in aircraft engine components, chemical processing equipment, and marine applications. These are just a few examples of the high-temperature grades of special steel available in the market. Each grade is specifically designed to excel in different applications where extreme heat resistance and mechanical properties are required.
Q:What are the challenges in heat treating special steel?
Some of the challenges in heat treating special steel include achieving the desired hardness and strength while maintaining dimensional stability, avoiding distortion or warping, controlling grain growth and microstructure, and ensuring proper heat distribution and uniformity throughout the material. Additionally, special steel alloys may have unique properties that require specific heat treatment techniques or specialized equipment, adding complexity to the process.
Q:How is special steel used in the production of pressure vessels?
Special steel is used in the production of pressure vessels due to its unique properties that make it suitable for withstanding high pressure environments. Pressure vessels are containers designed to hold gases or liquids at a pressure significantly different from the surrounding atmosphere. These vessels are commonly used in industries such as oil and gas, chemical, and power generation. The use of special steel in pressure vessel production is crucial to ensure the safety and reliability of these containers. Special steels, such as carbon steels, stainless steels, and alloy steels, offer enhanced mechanical properties, high strength, and excellent corrosion resistance. These properties are essential for withstanding the extreme pressure conditions experienced by pressure vessels. One of the primary functions of special steel in pressure vessel production is to provide resistance against internal pressure. The steel needs to be able to withstand the force exerted by the contents of the vessel without deforming or rupturing. The high strength and toughness of special steels make them capable of handling these pressures, ensuring the integrity of the vessel and preventing catastrophic failures. Special steel also plays a vital role in maintaining the structural integrity of pressure vessels. These vessels are subjected to various external loads, such as wind, seismic forces, and thermal expansion. The superior mechanical properties of special steel enable it to bear these loads without significant deformation or failure, ensuring the structural stability of the pressure vessel. Furthermore, special steel's resistance to corrosion is essential in the production of pressure vessels. Pressure vessels often contain corrosive substances, and the corrosive environment can lead to the degradation of the material over time. Special steels, especially stainless steels, offer excellent resistance to corrosion, minimizing the risk of material deterioration and maintaining the vessel's longevity. In summary, special steel is used in the production of pressure vessels due to its high strength, toughness, and corrosion resistance. These properties enable the steel to withstand high pressure conditions, maintain structural integrity, and prevent corrosion-related failures. By utilizing special steel, pressure vessel manufacturers can ensure the safety, reliability, and longevity of these critical containers.
Q:Can special steel be machined easily?
No, special steel is typically harder and tougher than standard steel, making it more difficult to machine.
Q:How does special steel contribute to improving product functionality?
Special steel contributes to improving product functionality in several ways. Firstly, special steel offers enhanced strength and durability, allowing products to withstand higher loads and perform under extreme conditions. It also provides superior resistance to corrosion, which extends the lifespan of products and reduces maintenance costs. Additionally, special steel can be tailored to specific applications, such as high-temperature environments or magnetic properties, further enhancing product functionality. Overall, the use of special steel results in more reliable and efficient products, ultimately benefiting consumers and industries alike.
Q:What are the properties of maraging steel?
Maraging steel is a type of high-strength steel known for its exceptional strength, toughness, and resistance to fatigue. It possesses a unique combination of properties such as high yield strength, excellent fracture toughness, and superior hardness. This steel also exhibits remarkable corrosion resistance and can withstand extreme temperatures. Additionally, maraging steel is highly weldable and machinable, making it suitable for a wide range of applications in industries such as aerospace, defense, and tooling.
Q:What are the different quality control measures for special steel production?
Some of the different quality control measures for special steel production include strict material sourcing and selection, thorough testing and inspection during the manufacturing process, adherence to specific industry standards and specifications, regular calibration and maintenance of equipment, proper handling and storage of finished products, and continuous monitoring and improvement of overall production processes.
Q:What are the properties of alloy steel?
Alloy steel possesses a combination of properties that make it highly versatile and desirable in various applications. It exhibits enhanced strength, hardness, and wear resistance due to the addition of alloying elements such as chromium, nickel, and molybdenum. Alloy steel can withstand high temperatures, making it suitable for use in elevated temperature environments. It also offers excellent corrosion resistance and is highly durable, making it ideal for applications that require long-term reliability. Additionally, alloy steel can be easily machined and fabricated, further adding to its appeal in various industries.
Q:What are the main applications of special steel in the food packaging industry?
Special steel is widely used in the food packaging industry due to its various applications. It is primarily utilized in the production of food cans, closures, and other packaging materials. Special steel offers excellent corrosion resistance, ensuring the preservation and safety of the packaged food. It also provides high strength and durability, maintaining the integrity of the packaging during transportation and storage. Additionally, special steel can be easily formed into different shapes and sizes, allowing for versatile packaging designs. Overall, the main applications of special steel in the food packaging industry include ensuring food safety, promoting product longevity, and enabling creative packaging solutions.
Q:Can special steel be used in the nuclear power industry?
Yes, special steel can be used in the nuclear power industry. Specialized steel alloys, such as stainless steel and low alloy steel, are commonly used in the construction of nuclear reactors and other components due to their high strength, corrosion resistance, and ability to withstand high temperatures and radiation. These materials are crucial for ensuring the safety and reliability of nuclear power plants.

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