• Hot Forged Alloy Steel 4140 Round Bars Special Steel System 1
  • Hot Forged Alloy Steel 4140 Round Bars Special Steel System 2
Hot Forged Alloy Steel 4140 Round Bars Special Steel

Hot Forged Alloy Steel 4140 Round Bars Special Steel

Ref Price:
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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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Specification

Type:
Alloy Steel
Shape:
Steel Round Bar
Standard:
AISI,ASTM,JIS,GB,BS,DIN,API,EN
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Net Weight:
as required
Length:
as required
Thickness:
as required

Main Product

Plastic Mould Steel 

DIN 1.2311,1.2738,1.2083,1.2316 etc. 

AISI P20,P20+Ni,420 etc. 

JIS SUS420J2 

 Hot Work Steel 

DIN 1.2344,1.2343,1.2367,1.2365,1.2581,1.2713 etc. 

AISI H13,H11,H10,H21, etc. 

JIS SKD61,SKD6,SKD5,SKT4 etc. 

 Cold Work Steel 

DIN 1.2739, 1.2601, 1.2080, 1.2436, 1.2631, 1.263, 1.2510, 1.2327 etc. 

AISI D2, D5, D3, D6, A8, A2, O1 etc. 

JIS SKD10, SKD11, SKD1, SKS3 etc. 

 High Speed Steel 

DIN 1.3343, 1.3243, 1.3247, 1.3355 etc. 

AISI M2, M35, M42, T1 etc.

JIS SKH51, SKH35, SKH59, SKH2 etc. 

 Alloy Structural Steel 

DIN 1.7035,1.6511,1.7220,1.7225 etc. 

AISI 5140, 4340, 4135, 4140 etc. 

JIS SCr440,SNCM439,SCM435,SCM440 etc. 

 Stainless & Carbon Steel or Others 

DIN 1.4125,1.1191 etc 

AISI 440C,1045, 1020 etc. 

JIS SUS440C,S45C etc

Carbon Steel Round Bar

SS400, S235JR,Q235, ASTM A36, Fe360A, Fe360B,SM400A,080A15, SS41,E235B

SAE 1020, AISI 1020, ASTM 1020, S20C, 20#, 050A20

SAE 1045, AISI 1045, ASTM 1045, S45C, 45#,EN8, XC45, XC48, 45B, C45, CK45, CM45, 060A47, R683/IC45e

Alloy Steel Round Bar

40Cr, DIN 1.7035, SAE 5140, AISI 5140, ASTM 5140, SCr440, 41Cr4, 530A40, 42Cr4, 40X, R683/VII3

SAE4140,42CrMo, 42CrMo4, DIN 1.7225, SCM440,EN19, 42CD4, 708M40, R683/II3

SAE 4340, 40CrNiMoA, EN24, SNCM439, 817M40,40XMA, R683/III4

SAE 8620,,AISI 8620, ASTM 8620, 20CrNiMo,SNCM220, 805M20

SAE52100, AISI52100,ASTM E52100, GCr15, SUJ2, 100C6, 100Cr6, 1.3505, 534A99, IIIX15

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Hot Forged Alloy Steel 4140 Round Bars 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:What are the different surface coatings available for special steel?
There are several different surface coatings available for special steel, such as galvanizing, electroplating, powder coating, and organic coatings. Each coating offers unique benefits and characteristics, ranging from enhanced corrosion resistance to improved aesthetic appearance and durability. The choice of coating depends on the specific requirements of the application and the desired outcome for the steel product.
Q:Can special steel be used in the manufacturing of consumer goods?
Indeed, the utilization of special steel in the production of consumer goods is possible. Special steel refers to a specific type of steel that has been engineered to possess exceptional properties, such as increased strength, corrosion resistance, heat resistance, or wear resistance. These enhanced characteristics render it suitable for a broad range of applications, including the manufacturing of consumer goods. Consumer goods encompass a diverse array of products, ranging from kitchen appliances and electronics to automobiles, tools, and furniture. Special steel can be employed in various components and parts of these goods to enhance their performance and durability. For instance, in kitchen appliances, special steel can be utilized to fabricate blades, heating elements, or cooking surfaces, thereby improving cutting efficiency, heat distribution, and resistance to corrosion. In electronics, special steel can be employed in the production of casings, connectors, or springs to ensure durability, conductivity, and resistance to temperature fluctuations. Furthermore, special steel can also find application in the manufacturing of consumer goods that demand high precision and reliability. In the automotive industry, for example, special steel can be used for engine components, chassis, or safety features, providing superior strength, impact resistance, and structural integrity. Likewise, in the production of tools and equipment, special steel can be employed to manufacture drill bits, cutting tools, or machine components, guaranteeing longevity, precision, and optimal performance. In conclusion, special steel offers distinct advantages over conventional steel due to its unique properties, making it an ideal material choice for the production of consumer goods. Its enhanced strength, corrosion resistance, heat resistance, or wear resistance characteristics can significantly enhance the performance, durability, and reliability of consumer products, thereby meeting the demands and expectations of consumers.
Q:Can special steel be used in the production of surgical instruments?
Yes, special steel can be used in the production of surgical instruments. Special steel alloys, such as stainless steel, are commonly used due to their desirable properties like corrosion resistance, strength, and their ability to be easily sterilized. These characteristics make special steel an ideal material for surgical instruments that require high precision and durability.
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:How does special steel perform at high temperatures?
Special steel performs exceptionally well at high temperatures due to its unique composition and properties. Unlike regular steel, special steel is specifically designed to withstand extreme heat conditions without losing its strength or structural integrity. It exhibits excellent thermal stability, resistance to oxidation, and maintains its hardness and toughness even at elevated temperatures. This makes special steel an ideal material for various applications that require reliable performance under high-temperature environments, such as in aerospace, power generation, and industrial processes.
Q:How does special steel contribute to the electronics industry?
Special steel plays a crucial role in the electronics industry by providing key components and materials that are essential for the manufacturing and performance of electronic devices. It is used in the production of various electronic components including connectors, circuit boards, sensors, and power transmission components, due to its exceptional properties such as high strength, excellent corrosion resistance, and thermal conductivity. Special steel also enables the miniaturization and increased efficiency of electronic devices, enhancing their overall performance and durability.
Q:What are the properties of wear-resistant alloy steel?
Wear-resistant alloy steel possesses properties such as high hardness, toughness, and strength, making it resistant to abrasion, impact, and wear. It also exhibits excellent heat resistance, corrosion resistance, and dimensional stability, allowing it to maintain its integrity even under harsh operating conditions.
Q:How does special steel perform in electrical conductivity applications?
Special steel, due to its high electrical conductivity, performs exceptionally well in electrical conductivity applications. Its low resistance allows for efficient flow of electrical currents, making it ideal for various electrical and electronic components such as wiring, connectors, and conductors. Additionally, special steel's corrosion resistance properties ensure long-term performance and durability in demanding electrical environments.
Q:What are the specific requirements for special steel used in the defense armor industry?
The specific requirements for special steel used in the defense armor industry include high strength and hardness, excellent toughness, resistance to ballistic impact and penetration, durability, corrosion resistance, and the ability to be fabricated into complex shapes. Additionally, the steel must meet strict quality control standards and be able to withstand extreme conditions such as high temperatures and harsh environments.
Q:How is wear-resistant stainless steel used in the production of cutting tools?
Wear-resistant stainless steel is commonly used in the production of cutting tools due to its high hardness and resistance to wear and corrosion. This steel alloy is essential for making durable and long-lasting cutting tools, such as knives, blades, drills, and saws. The wear resistance of stainless steel ensures that these tools can withstand the friction and abrasion involved in cutting various materials, leading to improved performance and extended tool life.

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