Special Steel 1.7225 Steel Round Bar / SCM440 Round Bar

Special Steel 1.7225 Steel Round Bar / SCM440 Round Bar

Ref Price:: $300.00 - 500.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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The details of our Steel

1. Produce Standard: as the GB, AISI, ASTM, SAE, EN, BS, DIN, JIS Industry Standard

2. Produce processes: Smelt Iron -EAF smelt Billet - ESR smelt Billet -Hot rolled or forged get the steel round bar and plate

3. Heat treatment:

Normalized / Annealed / Quenched+Tempered

4. Quality assurance:

All order we can received Third party inspection, You can let SGS, BV,.. and others test company test and inspect our products before Goods shipping.

Product information

Chemical Composition(%) of SCM440 round bar	C	Si	Mn	P	S	Cr	Mo
	0.38-0.45	≤0.40	0.60-0.90	≤0.035	≤0.035	0.90-1.20	0.15-0.30
Specification of SCM440 round bar	Hot Rolled: Dia.(mm)L(mm)=14-202000-6000
	Forged: Dia.(mm)L(mm)=210-8002000-6000
Application of SCM440 round bar	(1) unibody electrical and electronic mold; (2) plastic mould and die holders; (3) making main shaft of streamer, bolt for 400°C; (4) making the hammer stem and aggravating drill pipe.
Characteristic of SCM440 round bar	(1) High strength and toughness; (2) Good hardenability and the quenching deformation is small; (3) Good processability and easy polishing; (4) Easy texture and platable; (5) The strength and section are bigger than 35CrMo(4135).
Heat Treatment of SCM440 round bar	Forging:1100~900°C Normalization:860~880°C Subcritical Annealing:680~720°C Isothermal Annealing:830~900 670x3h°C Hardening:830~860 oil Tempering:550~650°C
Mechanical Property of SCM440 round bar	Rm(MPa): 1080 Re(MPa): 930 Ae%: 12 Z%: 45 A(S): 63
Delivery Condition of SCM440 round bar	hot rolled, black surface, annealed
Payment Term of SCM440 round bar	L/C,T/T,30% in advance,70% before the shipment

Main product

High speed steel
AISI	M2,M4,M35,M42,T1
DIN	1.3343,1.3243,1.3247,1.3355
JIS	SKH51,SKH54,SKH35,SKH59,SKH2
Cold work tool steel
AISI	D2,D5,D3,D6,A8,A2,O1
DIN	1.2379,1.2601,1.2080,1.2436,1.2631,1.2363,1.2510,1.2327
JIS	SKD10,SKD11,SKD1,SKS3
Hot work tool steel
AISI	H13,H11,H21
DIN	1.2344,1.2343,1.2367,1.2581,1.2713
JIS	SKD61,SKD6,SKD7,SKD5SKT4
Plastic mould steel
AISI	P20,P20+Ni,420
DIN	1.2311,1.2738,1.2083,1.2316
JIS	PDS-3,SUS420J1,SUS420J2
Alloy structural seel
AISI	5140,4340,4135,4140
DIN	1.7035,1.6511,1.7220,1.7225
JIS	SCr440,SNCM439,SCM435,SCM440
Stainless steel
AISI	440C,420,430
DIN	1.4125
JIS	SUS440C
Carbon steel
AISI	1045,1020
DIN	1.1191
JIS	S45C, G3101

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Workshop show

Special Steel 1.7225 Steel Round Bar / SCM440 Round Bar

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 high-speed machining operations?: Special steel is specifically designed to withstand high-speed machining operations with exceptional performance. Its unique composition and properties, including high hardness, heat resistance, and wear resistance, allow it to maintain its strength and durability even under extreme cutting speeds and temperatures. This enables special steel to deliver superior machining efficiency, precision, and surface finish, making it an ideal choice for high-speed machining operations.

Q:What are the different special steel products available in the market?: There are several different special steel products available in the market, including stainless steel, tool steel, alloy steel, high-speed steel, and carbon steel. Each type of special steel has unique properties and is used for various applications in industries such as construction, automotive, aerospace, and manufacturing.

Q:What are the different surface hardening grades of special steel?: There are several surface hardening grades of special steel, including case-hardening steels such as 1018, 8620, and 8620H, which are commonly used for applications requiring a hard outer layer and a tough core. Another grade is nitriding steel, such as 4140, 4340, and 410, which are specifically designed for nitriding processes to improve wear resistance. Additionally, tool steels like D2, A2, and O1 are often used for surface hardening applications due to their high hardness and wear resistance properties. Overall, the choice of surface hardening grade depends on the specific requirements of the application.

Q:How does special steel perform in abrasive environments?: Special steel performs exceptionally well in abrasive environments due to its high hardness, superior resistance to wear and tear, and excellent corrosion resistance. It is specifically designed to withstand the harsh conditions of abrasive environments, such as those with sand, gravel, or other abrasive particles. The unique composition and properties of special steel enable it to maintain its integrity and durability even when exposed to extreme abrasion, making it an ideal choice for applications in industries like mining, construction, and manufacturing.

Q:What are the different types of nitriding steel?: There are several types of nitriding steel, including gas nitriding steel, salt bath nitriding steel, plasma nitriding steel, and ion nitriding steel. Each type of nitriding steel has its own unique characteristics and advantages, making them suitable for different applications and industries.

Q:How does special steel contribute to reducing product costs?: Special steel contributes to reducing product costs in several ways. Firstly, special steel is known for its high strength and durability, which allows manufacturers to design and produce products that have a longer lifespan. This reduces the need for frequent replacements or repairs, thus saving costs in the long run. Additionally, special steel can be customized to meet specific requirements, allowing for the production of lighter and more efficient products. This can lead to savings in terms of raw material usage, transportation costs, and energy consumption. Moreover, special steel often has excellent corrosion resistance, reducing the need for additional protective coatings or maintenance, which can also result in cost savings. Overall, the utilization of special steel in manufacturing processes helps optimize product performance, longevity, and efficiency, thereby contributing to reducing product costs.

Q:What are the different electrical grades of special steel?: There are several electrical grades of special steel that are specifically designed to have superior electrical properties. These grades include: 1. Electrical Silicon Steel: This grade of special steel contains a high percentage of silicon, typically around 3-4%. The presence of silicon helps to minimize eddy current losses and improve the magnetic properties of the steel, making it ideal for use in electrical transformers and motors. 2. Electrical Stainless Steel: This grade of special steel is made from stainless steel alloys, which are known for their excellent corrosion resistance. The electrical stainless steel has a low electrical resistivity and high thermal conductivity, making it suitable for electrical connectors, terminals, and other components that require good electrical conductivity and resistance to oxidation. 3. Electrical Tool Steel: Tool steels are commonly used in the manufacturing of various tools and dies. Some tool steels are specifically formulated to have improved electrical properties, including high electrical conductivity and resistance to heat. These grades are often used in the production of electrical contacts, switches, and other electrical components that require high wear resistance and good electrical performance. 4. Electrical Copper-Clad Steel: This grade of special steel is made by bonding a layer of copper to a steel core. The copper layer provides excellent electrical conductivity, while the steel core provides strength and durability. Electrical copper-clad steel is commonly used in applications where high electrical conductivity is required, such as in power transmission lines and grounding systems. Overall, the different electrical grades of special steel offer a range of electrical properties to meet the specific needs of various electrical applications. These grades are carefully engineered to provide optimal electrical performance, durability, and resistance to corrosion and wear.

Q:What are the different methods of surface shot blasting for special steel?: There are several methods of surface shot blasting for special steel, including wheel blasting, air blasting, and centrifugal blasting. Wheel blasting involves using a rotating wheel to propel abrasive particles onto the steel surface, while air blasting uses compressed air to propel the particles. Centrifugal blasting involves a spinning rotor that propels the particles onto the steel surface. These methods help remove rust, scale, and other contaminants from the steel surface, preparing it for further treatment or coating.

Q:How is creep-resistant steel used in the production of power plant components?: Creep-resistant steel is used in the production of power plant components primarily due to its ability to withstand high temperatures and constant stress. These components, such as boilers, turbine blades, and heat exchangers, operate under extreme conditions and are exposed to elevated temperatures for prolonged periods. Creep-resistant steel, with its enhanced resistance to deformation and rupture at high temperatures, ensures the structural integrity and longevity of these power plant components, contributing to their reliable and efficient operation.

Q:How does special steel contribute to the manufacturing of automotive engine components?: Special steel plays a crucial role in the manufacturing of automotive engine components as it offers exceptional strength, durability, and heat resistance properties. It allows for the production of lighter and more fuel-efficient engines without compromising on performance. Special steel also ensures reliable and efficient functioning of engine parts, such as pistons, crankshafts, valves, and connecting rods, resulting in improved overall engine performance and longevity.

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