• Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 1
  • Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 2
  • Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 3
  • Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 4
  • Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 5
  • Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 6
Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
3 m.t.
Supply Capability:
10000 m.t./month

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Item specifice

Type:
Carbon Steel
Shape:
Steel Flat Bar

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Details of  Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Name

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Shape

Flat Bar

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

steel flat bar grade

A36, Q235, Q195, SS400, St37-2

steel flat bar standard

GB, ASTM, AISI, EN, JIS

steel flat bar thickness

1.8mm-17.75mm

steel flat bar width

10mm-870mm

steel flat bar length

6m, 9m, 12m or as customer requirement

steel flat bar technique

Slitting hot rolled steel coil

 

Specification of Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Width

Thickness

Length

Theoretical Weight

(mm)

(mm)

(m)

        (kg/m)

20

2

6/9/12

0.31

20

2.5

6/9/12

0.39

20

2.75

6/9/12

0.43

25

2.5

6/9/12

0.49

25

3.75

6/9/12

0.74

30

2.5

6/9/12

0.59

30

3.5

6/9/12

0.82

30

9.75

6/9/12

2.3

40

3.5

6/9/12

1.1

40

4.75

6/9/12

1.5

40

11.75

6/9/12

3.69

50

2.75

6/9/12

1.08

50

4.5

6/9/12

1.77

50

9.75

6/9/12

3.83

60

5.5

6/9/12

2.6

60

7.5

6/9/12

3.53

60

11.5

6/9/12

5.42

80

5.5

6/9/12

3.45

80

7.5

6/9/12

4.71

80

11.75

6/9/12

7.38

100

3.25

6/9/12

2.55

100

4.75

6/9/12

3.73

100

7.5

6/9/12

5.89

120

9.75

6/9/12

9.18

120

11.75

6/9/12

11.07

150

9.75

6/9/12

11.48

150

11.5

6/9/12

13.54

150

13.5

6/9/12

15.9

160

11.75

6/9/12

14.76

200

9.5

6/9/12

14.92

250

5.75

6/9/12

11.28

340

7.75

6/9/12

20.68

 

CNBM Introduction of Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar Supplier

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.

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

 Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

After-sale service

  • 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.

  • 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.

     

 

Packaging & Delivery  Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar Supplier

Packaging Detail

Sea worthy packing /as per customer's packing instruction

Delivery Detail

15 ~ 40 days after receiving the deposit

 

Products Show

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

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 tempering techniques used for special steel?
There are several tempering techniques used for special steel, including air tempering, oil tempering, water tempering, and salt bath tempering. Each technique involves heating the steel to a specific temperature and then cooling it at a controlled rate to achieve the desired level of hardness and toughness.
Q:How is precipitation-hardening steel used in the aerospace industry?
Precipitation-hardening steel is commonly used in the aerospace industry due to its exceptional strength-to-weight ratio and high corrosion resistance. This type of steel undergoes a specialized heat treatment process that allows for the precipitation of particles within its microstructure, resulting in improved mechanical properties. These steels are used in various components and structures of aircraft, such as landing gears, engine parts, and structural frames, where strength, durability, and weight savings are crucial factors for performance and safety.
Q:How do alloying elements affect the properties of special steel?
The properties of special steel are greatly influenced by alloying elements. By incorporating specific elements into the steel composition, it is possible to achieve a variety of desirable characteristics. To begin with, the addition of alloying elements can enhance the steel's strength and hardness. For instance, chromium, nickel, and molybdenum can improve the steel's resistance to deformation and overall toughness. This is especially vital in situations where the steel needs to withstand high temperatures, pressure, or mechanical stress. Furthermore, alloying elements can boost the corrosion resistance of special steel. Elements like chromium, nickel, and copper create a protective oxide layer on the steel's surface, preventing rusting or corrosion. This is of particular importance in industries such as marine, oil and gas, and chemical processing, where exposure to corrosive environments is common. Moreover, alloying elements can influence the steel's weldability, machinability, and heat treatability. For example, manganese and silicon can enhance the weldability of steel, facilitating the joining of different components. On the other hand, vanadium and tungsten can enhance the steel's ability to maintain its hardness even when subjected to high temperatures, making it suitable for applications involving heat treatment. Additionally, alloying elements can affect the electrical and magnetic properties of steel. Elements like nickel and cobalt can improve the steel's magnetic properties, making it suitable for use in electrical transformers or magnetic devices. Conversely, aluminum and titanium can enhance the steel's electrical conductivity, making it ideal for electrical wiring or conductive components. In conclusion, alloying elements have a significant impact on the properties of special steel. They can enhance its strength, hardness, corrosion resistance, weldability, heat treatability, electrical conductivity, and magnetic properties. By carefully selecting and controlling the alloying elements, manufacturers can customize the steel's properties to meet the specific requirements of different industries and applications.
Q:Can special steel be used in the marine industry?
Yes, special steel can be used in the marine industry. Special steel, such as stainless steel or corrosion-resistant steel, is often preferred in marine applications due to its high resistance to corrosion from saltwater and harsh environmental conditions. It is commonly used in the construction of ships, offshore structures, and marine equipment to ensure durability and longevity.
Q:What are the factors to consider when selecting special steel for a specific application?
When choosing special steel for a particular use, there are several critical factors to take into account: 1. Mechanical properties play a crucial role in determining the steel's suitability for the application. Strength, hardness, toughness, and ductility are all important considerations. Matching the steel's mechanical properties to the specific requirements of the application is essential to achieve optimal performance and ensure safety. 2. The steel's resistance to corrosion is another key factor to consider. Different environments, such as marine, chemical, or high-temperature conditions, may necessitate the use of corrosion-resistant alloys or coatings. This is vital to ensure the steel's longevity and reliability in service. 3. Temperature resistance is crucial in many applications. The steel must be able to withstand high or low temperatures without compromising its mechanical properties. Factors like thermal expansion, thermal conductivity, and resistance to thermal fatigue should be taken into account to ensure effective performance in the intended environment. 4. If welding or fabricating the steel into complex shapes is necessary, the ease of weldability and fabricability becomes an important consideration. Certain steels may require specialized welding techniques or preheating to prevent cracking or distortion during fabrication. 5. Cost is a significant consideration as well. It is important to find a balance between the desired properties of the steel and the available budget. This ensures cost-effectiveness without compromising performance or safety. 6. The availability of the chosen steel grade in the required form, size, and quantity is another critical factor. It is crucial to ensure that the selected steel can be easily sourced and obtained within the required timeframe. This helps to avoid project delays or cost overruns. 7. Compliance with industry-specific standards, specifications, or regulations is essential. Depending on the industry or application, there may be specific requirements that the steel must meet. Selecting a steel grade that complies with these standards is necessary to ensure compliance and maintain necessary certifications or approvals. By considering these factors, engineers and manufacturers can make well-informed decisions when choosing special steel for specific applications. This ensures optimal performance, durability, and safety.
Q:What are the different molding grades of special steel?
There are several different molding grades of special steel that are used in various industries and applications. Some of the commonly known molding grades include: 1. P20: This grade is widely used in the production of plastic injection molds, die casting, and extrusion dies. It offers excellent machinability, high hardness, and good polishability, making it suitable for high-precision molding. 2. H13: This grade is a hot work tool steel that is primarily used for die casting and forging applications. It offers high toughness, good heat resistance, and excellent wear resistance, making it suitable for high-temperature molding processes. 3. S7: This grade is a shock-resistant tool steel that is commonly used for molding applications where high impact resistance is required. It offers good hardness, toughness, and machinability, making it suitable for applications such as shear blades and hammer dies. 4. NAK80: This grade is a pre-hardened mold steel that is often used for high-quality mirror surface molds and precision molding applications. It offers high polishability, excellent dimensional stability, and good wear resistance, making it suitable for producing parts with high surface finish requirements. 5. 420SS: This grade is a stainless steel that is commonly used for molding applications where corrosion resistance is required. It offers good hardness, moderate strength, and excellent corrosion resistance, making it suitable for applications such as medical devices and food processing equipment. These are just a few examples of the different molding grades of special steel available in the market. Each grade has its own specific properties and characteristics, which make them suitable for various molding applications. It is important to select the appropriate grade based on the specific requirements of the molding process to ensure optimal performance and durability.
Q:How is alloy steel used in the production of gears and shafts?
Alloy steel is commonly used in the production of gears and shafts due to its excellent combination of strength, durability, and resistance to wear and corrosion. The alloying elements such as manganese, chromium, nickel, and molybdenum enhance the properties of the steel, making it suitable for high-stress applications. The use of alloy steel in gears and shafts ensures their ability to withstand heavy loads, transmit power efficiently, and maintain dimensional stability under extreme operating conditions, thus increasing the overall lifespan and performance of the components.
Q:How is special steel used in the defense industry?
Special steel is used in the defense industry for various applications such as manufacturing armored vehicles, aircraft carriers, submarines, and military-grade firearms. Its exceptional strength, durability, and resistance to high temperatures make it ideal for constructing critical components and structures that require enhanced protection and performance in combat situations.
Q:How does special steel contribute to the construction sector?
Special steel plays a crucial role in the construction sector by offering a wide range of benefits that contribute to the overall quality, durability, and safety of structures. Firstly, special steel possesses exceptional strength and toughness, making it an ideal material for constructing high-rise buildings, bridges, and other infrastructure projects. Its high tensile strength allows for the creation of lighter and more slender structures, reducing material costs and enabling architects to design innovative and aesthetically pleasing buildings. Moreover, special steel is highly resistant to corrosion, which is particularly important in construction projects located in harsh environments, such as coastal areas or industrial zones. This resistance ensures that structures built with special steel have a longer lifespan and require less maintenance, resulting in significant cost savings over time. Additionally, its resistance to fire and extreme temperatures makes it an essential material for fire-resistant structures and critical components in buildings, ensuring the safety of occupants. Special steel also offers excellent ductility and weldability, allowing for seamless integration with other construction materials and facilitating efficient assembly processes. Its versatility enables it to be used in various structural elements, such as beams, columns, and reinforcement bars, providing stability and structural integrity to buildings, as well as improving seismic performance. Furthermore, the use of special steel in construction aligns with sustainability goals. It is a recyclable material that can be reused without compromising its properties, reducing the environmental impact of the construction sector. Furthermore, its lighter weight compared to traditional materials minimizes the carbon footprint associated with transportation and installation. In summary, special steel contributes significantly to the construction sector by providing strength, durability, fire resistance, corrosion resistance, and versatility. Its use enables the construction of safer, more cost-effective, and environmentally-friendly structures, thereby enhancing the overall quality and sustainability of the built environment.
Q:How does special steel contribute to the aviation industry?
Special steel contributes to the aviation industry by providing essential materials that are durable, lightweight, and resistant to extreme temperatures and pressure. It is used for manufacturing critical components such as engine parts, landing gear, turbine blades, and structural components, ensuring the reliability and safety of aircraft. Additionally, special steel's high strength-to-weight ratio allows for improved fuel efficiency, reducing operational costs and environmental impact.

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