Alloy Steel SCr420H AISI 5120

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 120000 m.t./month

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C	Si	Mn	Cr	S	P	Ni	Cu
0.18~0.24	0.17~0.37	0.50~0.80	0.70~1.00	≤0.035	≤0.035	≤0.030	≤0.030

Description	Carbon Steel Rod/Carbon Steel Bar,carbon steel rod,carbon steel shaft,mild steel bar, Mild steel shaft,ms bar
Material	ASTM	1005, 1006, 1008, 1010, 1015, 1020, 1025, 1030, 1035, 1040, 1045, 1050, 1055, 1060, 1065, 1070, 1080, 1084, 1016, 1022
DIN	Ck10, Ck15, Ck22, Ck25, Ck30, Ck35, Ck40,Ck45, Ck50, 30Mn4, 40Mn4
BS	040A04, 095M15, 045M10, 080A40, 045M10, 080M50
JIS	S09CK, S9CK, S10C, S15C, S20C, S25C, S30C, S35C, S40C, S45C, S50C, S55C, S58C, SB45, S30C, S40C, S45C, S53C
Standard	GB/T799, ASTM A29, A108, A321, A575, BS970, DIN1652, JIS G4051
Section shape	Round, square, hexagonal, flat, angle
Surface	Black painted, galvanized
Specifications	Round bar	Diameter: 4mm~1200mm
Angle bar	Size: 3mm20mm20mm~12mm800mm800mm
Square bar	Size: 4mm4mm~100mm100mm
Flat bar	Thickness: 2mm~100mm
Width: 10mm~500mm
Hexagonal	Size: 4mm~800mm
Length	2m, 4m, 5.8m, 6m, 11.8m, 12m or as required.

Company Information

CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

FAQ

1, Your advantages?

professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale

2, Test & Certificate?

SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3, Factory or Trading Company?

CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

30% TT as deposit and 70% before delivery.

Irrevocable L/C at sight.

5, Trading Terms?

EXW, FOB, CIF, FFR, CNF

6, After-sale Service?

CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.

For any problem, please kindly contact us at any your convenient time.

We'll reply you in our first priority within 24 hours.

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Q: Can I use steel bar instead of steel bar?: But there is a difference between steel reinforcement ratio can good toughness steel reinforced high strength reinforced surface than the thread in the engineering application of the surface force can he assisted according to what you want instead of general effect is no problem except in mechanical parts to replace.

Q: How are steel round bars used in the manufacturing of fasteners and bolts?: Steel round bars are used in the manufacturing of fasteners and bolts as they provide the necessary strength and durability required for these components. The bars are typically cut and shaped into the desired length and shape, and then undergo various processes such as threading or heat treatment to enhance their performance. The resulting steel rods are used as the main body of fasteners and bolts, providing the necessary structural integrity and reliability in various industrial applications.

Q: What are the different types of finishes available for steel round bars?: There are several different types of finishes available for steel round bars, each offering unique properties and appearances. 1. Mill Finish: This is the most basic and widely used finish for steel round bars. It is achieved by leaving the steel in its natural state after it has been rolled and cooled. Mill finish bars have a rough texture and may display surface imperfections. 2. Hot Rolled Finish: This finish is achieved by heating the steel to high temperatures and rolling it to form the desired shape. Hot rolled bars have a smooth surface and are typically used in applications where aesthetics are not a priority. 3. Cold Drawn Finish: Cold drawing is a process that involves pulling the steel through a die to reduce its diameter and increase its length. This finish results in a smooth surface with improved dimensional accuracy and tighter tolerances. 4. Polished Finish: Steel round bars can also be polished to achieve a smooth and reflective surface. Polishing is typically done using abrasive materials or compounds that remove surface imperfections and enhance the appearance of the steel. 5. Ground Finish: Ground finish involves removing a thin layer of material from the surface of the steel using abrasive grinding wheels. This process creates a smooth and even surface finish, suitable for applications that require tight tolerances and precise dimensions. 6. Coated Finish: Steel round bars can be coated with various materials to provide additional protection against corrosion or to enhance their appearance. Common coatings include galvanization, which applies a layer of zinc to the surface, and powder coating, which provides a durable and decorative finish. The choice of finish for a steel round bar depends on the specific application and desired properties. It is important to consider factors such as corrosion resistance, aesthetics, dimensional accuracy, and surface quality when selecting a finish.

Q: Can steel round bars be used in the manufacturing of heat exchangers?: Heat exchangers can indeed utilize steel round bars in their manufacturing process. Due to its exceptional strength and thermal conductivity, steel is frequently employed in the construction of heat exchangers. By shaping and welding steel round bars, a range of sizes and forms can be achieved, enabling the creation of crucial heat exchanger elements like tubes, headers, and baffles. Furthermore, the durability and corrosion resistance of steel make it an ideal choice for numerous industrial applications that demand efficient heat transfer.

Q: How are steel round bars used in the construction of stadiums and sports facilities?: Steel round bars are commonly used in the construction of stadiums and sports facilities for their strength, durability, and versatility. These bars are often used as structural elements, providing support and stability to the overall structure. They can be used in the construction of columns, beams, and frames, ensuring the integrity and safety of the facility. Additionally, steel round bars are also used in the fabrication of seating structures, railings, and fencing, enhancing the aesthetic appeal and functionality of the sports venue.

Q: What are the factors affecting the price of steel round bars?: There are several factors that can affect the price of steel round bars. Some of the key factors include the cost of raw materials used in steel production, such as iron ore and coal. Additionally, factors such as global supply and demand, market competition, and economic conditions can also influence the price of steel round bars. Other factors like transportation costs, energy prices, and government regulations can also play a role in determining the final price of steel round bars.

Q: Requirements for groove welding of grade 22mm round steel and manual arc welding: If not on the lathe, in the groove on the round bar with gouging or cutting gun, docking form X type double sided bilateral docking, blunt edge 2mm root gap 2mm welding, welding side sincere one or two seam, flip the workpiece on the other side of a full weld groove, flip weld residual,

Q: Can steel round bars be used for making fasteners or bolts?: Yes, steel round bars can be used for making fasteners or bolts. Steel round bars are often used as raw materials for manufacturing fasteners and bolts due to their high strength, durability, and resistance to deformation. They can be shaped, threaded, and heat-treated to meet the specific requirements of fasteners and bolts.

Q: Can steel round bars be anodized?: No, steel round bars cannot be anodized because anodizing is a process that is specifically designed for aluminum and its alloys. Anodizing involves creating an oxide layer on the surface of the metal, which provides enhanced corrosion resistance and can also be used for decorative purposes. Steel, on the other hand, does not form a stable oxide layer like aluminum, and therefore cannot be anodized in the same way. However, there are other surface treatment options available for steel, such as galvanizing or powder coating, which can provide similar benefits.

Q: What's the difference between round steel and screw steel? Which is cheaper than steel on the market these days?: Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Of which: 5.5-25 mm of small round bars, commonly used as steel, bolts and various mechanical parts, larger than 25 millimeters of round steel, mainly for the manufacture of machinery parts. Round steel has many kinds of materials, such as: Q195, Q235, 10#, 20#, 35#, 45#, Q215, Q235, 304, 316, 20Cr, 40Cr, 20CrMo, 35CrMo, 20CrMnTi, 5CrMnMo, etc...

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