Round Bar Steel Bar EN8 EN9 Special Steel

Round Bar Steel Bar EN8 EN9 Special Steel System 1

Round Bar Steel Bar EN8 EN9 Special Steel

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Product information:

1. Grade: Q235, SAE1020, SAE1040,SAE1045, 20Cr/SAE5120, 40Cr/SAE5140,

SCM440/SAE4140/42CrMo, SS400

2. Size: 8mm--100mm

3. Shape: flat bar, round bar, hexagonal bar, square bar, and so on.

4. Payment Terms: T/T, L/C.

5. MOQ: 5MT

6. Delivery terms: FOB or CIF

7. Shipment time: 35days or according to the qty.

8. Advantages: fast delivery, full-size, large inventories and accurate precision.

Chemical Composition:

STEEL GRADE	Similar Brand			Chemical Composition(%)
GB	AISI SAE	JIS	DIN	C	Si	Mn	Cr	Mo	Ni(≤)	P(≤)	S(≤)
20	1020	S20C	CK22	0.17-0.24	0.17-0.37	0.35-0.65	0.25	/	0.25	0.035	0.035
45	1045	S45C	CK45	0.42-0.50	0.17-0.37	0.50-0.80	0.25	/	0.25	0.035	0.035
15CrMo	4115	SCM415	15CrMo5	0.12-0.18	0.17-0.37	0.40-0.70	0.80-1.10	0.40-0.55	0.30	0.035	0.035
30CrMo	4130	SCM430	25CrMo4	0.26-0.34	0.17-0.37	0.40-0.70	0.80-1.10	0.15-0.25	0.030	0.035	0.035
42CrMo	4140	SCM440	42CrMo4	0.38-0.45	0.17-0.37	0.50-0.80	0.90-1.20	0.15-0.25	0.030	0.035	0.035

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Round Bar Steel Bar EN8 EN9 Special Steel

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q:How does special steel perform in cryogenic gas environments?: Special steel performs well in cryogenic gas environments due to its low temperature resistance and high strength. It has excellent toughness and can withstand extreme cold temperatures without becoming brittle or undergoing significant deformation. This makes it ideal for applications such as cryogenic storage tanks, pipelines, and equipment used in industries like aerospace, energy, and scientific research, where materials need to maintain their integrity and performance in extremely cold conditions.

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 is special steel used in the construction manufacturing process?: Special steel is used in the construction manufacturing process due to its unique properties and characteristics. It is commonly utilized in the production of structural components, such as beams, columns, and reinforcements, where high strength, durability, and resistance to corrosion are crucial. Special steel also finds application in the manufacturing of machinery, equipment, and tools used in construction, thanks to its ability to withstand heavy loads and extreme conditions. Additionally, it is used for specialized purposes like in the construction of bridges, skyscrapers, and other architectural marvels, where its exceptional strength and reliability are essential for ensuring the safety and longevity of the structures.

Q:What are the environmental impacts of using special steel?: Special steel can cause several environmental effects. To begin with, the extraction of raw materials like iron ore and coal for special steel production results in deforestation, destruction of habitats, and loss of biodiversity. This mining process also releases pollutants into the air, soil, and water, contributing to pollution. Special steel production also emits greenhouse gases, especially carbon dioxide (CO2), during manufacturing. The high temperatures required to melt and shape the steel, along with the energy-intensive processes involved, lead to significant CO2 emissions that contribute to climate change. Moreover, the transportation of special steel has its own environmental consequences. The shipping and logistics involved in transporting the steel from production facilities to end-users generate additional greenhouse gas emissions, air pollution, and fuel consumption. Additionally, the disposal of special steel products at the end of their lifecycle poses environmental challenges. If not properly recycled or disposed of, steel products can end up in landfills, taking up valuable space and potentially releasing harmful substances into the environment. Despite these environmental impacts, it is important to acknowledge that special steel is frequently used in various industries due to its durability, strength, and resistance to corrosion. Efforts are being made to mitigate these impacts by adopting cleaner production methods, such as recycling and utilizing renewable energy sources in the steel manufacturing process. Additionally, initiatives like carbon capture and storage are being explored to reduce greenhouse gas emissions from steel production. In conclusion, although special steel offers numerous benefits, it is crucial to balance these advantages with the need to minimize its environmental impacts through sustainable production and responsible disposal practices.

Q:Is the steel column of the steel structure HM a special steel?: The mid flange H section steel HM (M for Middle English prefix) in GB/T 112631998 this standard inside, not special steel;

Q:What are the heat treatment processes used for special steel?: Some of the heat treatment processes used for special steel include annealing, quenching, tempering, and hardening. Annealing involves heating the steel to a specific temperature and slowly cooling it to improve its ductility and reduce internal stress. Quenching is a rapid cooling process that hardens the steel by quickly cooling it from a high temperature, creating a tough and wear-resistant material. Tempering is a process that follows quenching, where the steel is reheated to a lower temperature to reduce brittleness and improve toughness. Hardening involves heating the steel to a high temperature and then rapidly cooling it to increase its hardness and strength. These heat treatment processes are used to enhance the properties and performance of special steel for various applications.

Q:How does special steel contribute to the energy storage industry?: Special steel plays a crucial role in the energy storage industry by providing high-strength and corrosion-resistant components for the manufacturing of batteries, turbines, and other energy storage systems. It enables the production of more efficient and durable energy storage devices, improving their overall performance and lifespan. Special steel also helps in reducing energy losses during storage and transmission processes, thus contributing to the increased efficiency of the energy storage industry.

Q:How does special steel perform in terms of corrosion resistance?: Special steel has excellent corrosion resistance due to its high content of alloying elements, such as chromium, nickel, and molybdenum. These elements form a protective layer on the surface of the steel, preventing corrosive substances from reaching the underlying metal. Additionally, special steel can be further enhanced with surface treatments or coatings to enhance its resistance to corrosion in harsh environments.

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.

Q:Can special steel be welded?: Yes, special steel can be welded.

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