Hot Rolled Alloy Carbon Structural Steel Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Hot Rolled Alloy Carbon Structural Steel Bars
Products Details
Product Name | Alloy Steel 1.2379 |
Standard | ASTM A689, JIS G4801, DIN 17221, GB/T 18254, ASTM A295, JIS G4805, etc. |
Spring steel | 65Mn, 1566, 60Si2Mn, 9260, etc. |
Bearing steel | GCr15, SAE52100, GCr15SiMn, 100CrMnSi6-4, SJU2, etc. |
Cold heading steel | ML25, ML35, etc. |
Alloy structural steel | 40CrNiMo, SAE4330, 42CrMo, 15Cr2Ni2, 40CrNi2Mo, 35CrMoV, 12Cr1MoV, ASTM4130, SCM420, 40CrV, etc. |
Military steel | 20Cr2Ni4A, 18Cr2Ni4WA, 23CrNiMo7-4-7, etc. |
Heat resistant steel | 5CrNiMoV, 4Cr10Si2Mo, etc. |
Mold and tool steel | SKD62, Cr12, 31CrMoV9, H11, 4Cr5MoSiV1, SKD61, DIN1.2344, H13, 35CrMoV, Cr12Mo1V1, SKD11, X153CrMoV12, D2, O1, DIN1.2510, P20, DIN1.2311, 3Cr2Mo, 9CrWMn, 4Cr13, AISI420, DIN1.2083, Cr12MoV, DIN1.2601, P20+Ni, Cr8Mo2SiV, DC53, DIN1.2738, etc. |
Gear steel | ASTM8620, SAE4340, SNCM430, 40CrNiMo, etc. |
Size | Round bar: 15-1200mm Square bar: 80-800mm |
Length | 2-12m, as customers' requirement. |
Melting process | EAF+LF+VD |
Ultrasonic testing | SEP1921-84 C/C, D/D, E/E |
Surface treatment | Black, grinded, peeled, polished are available |
Delivery condition | Annealing, tempering, quenching + tempering |
Technique | hot rolled, cold drawn, forged are available |
Package | Standard seaworthy packing, as customers’ requirement |
Delivery Time | 30 days after receipt of the deposit, negotiable. |
Available Sizes
Grade | Size (mm) | ||||
Round rolled steel (Dia.) | Flat rolled steel | Round forged steel (Dia.) | Square forged steel | Bright bar (Dia.) | |
High-quality carbon structural steel | 16-320 | 5-38 44-150 | 120-900 | 100-750 | 12-150 |
Alloy structural steel | 16-320 | 5-38 44-150 | 120-900 | 100-750 | 12-150 |
Carbon tool steel | 16-320 | 5-38 44-150 | 120-350 | 100-310 | 12-150 |
Alloy tool steel | 30-90 | 100-900 | 100-750 | 12-150 | |
High speed tool steel | 80-120 | 80-110 | 12-150 | ||
Bearing steel | 16-320 | 5-38 44-150 | 120-300 | 100-600 | 12-150 |
Spring steel | 14-180 | 5-38 44-150 | 120-300 | 100-260 | 12-150 |
Stainless steel | 16-250 | 120-750 | 120-600 | 12-150 | |
High temperature alloy steel | 55-200 | 80-200 | 12-150 | ||
Free-cutting steel | 14-250 | 120-400 | 12-150 | ||
Gear steel | 16-320 | 5-38 44-150 | 120-900 | 15-150 | |
Products Show
Product Overviews
| Product Name | Typical Grades | Diameter(mm) | Standard adopted |
| Carbon Steel | 20 (1020/S20C/C22) | Ø16-Ø300 |
GB/SAE/JIS/DIN
|
| 40 (1040/S40C/C40) | |||
| 45 (1045/S45C/C45) | |||
| Bearing Steel | GCr9 (51100/SUJ1) | Ø12-Ø250 | |
| GCr15 (52100/SUJ2/100Gr6) | |||
| GCr9SiMn (A485-Gr.1/SUJ3) | |||
Cr-Mo Steel | 20Cr (5120/SCr420H/20Cr4) | Ø12-Ø250 | |
| 40Cr (5140/SCr440/41Cr4) | |||
| 42CrMo(4140/SCM440/42CrMo4) | |||
| Gear Steel | 20CrNiMo | Ø16-Ø600 | |
| 20CrMn(5115/SMnC420/20MnCr5) | |||
| 20CrNiMo(8620/SNCM220/20CrMiMo2) |
Application
| Carbon Steel | Mold bottom, Plastic mold, Construction machinery parts Automobile parts, Security grills, Screens, Construction |
| Bearing Steel | Aerospace, Navigation, Nuclear energy, Chemical industry Electronic information, Petrochemical, Instrument and meter Transportation |
| Cr-Mo Steel | Mechanism & Fasteners gear, Stressed components for vehicles Engines and machines, Parts of larger cross-section |
| Gear Steel | All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts |
Work Shop
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: What is the tensile strength of round steel bars of diameter 28?
- The tensile strength of round steel bars of diameter 28 is 27079.36~33849.2 kg. It is explained as follows: the material of rebar is generally Q235-A carbon structural steel, its yield strength is 235 MPa, tensile strength is 441~550 MPa, and it is 44~55 kg / mm2. The cross-sectional area of 28 mm in diameter is about 615.44 mm2, and its tensile strength is about 27079.36~33849.2 kg.
- Q: Are steel round bars available in custom sizes?
- Yes, steel round bars are available in custom sizes. Steel round bars can be manufactured to meet specific size requirements and specifications. Custom sizes can be requested based on the diameter, length, and overall dimensions of the round bar. Whether it is for a specific project or application, many steel manufacturers and suppliers offer the option to customize the size of round bars to suit individual needs.
- Q: What are the standard sizes for steel round bars?
- The standard sizes for steel round bars vary depending on the specific industry and application. However, some common standard sizes include 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 1 inch, 1 1/4 inch, 1 1/2 inch, 1 3/4 inch, 2 inch, 2 1/2 inch, 3 inch, 3 1/2 inch, 4 inch, 4 1/2 inch, 5 inch, 5 1/2 inch, 6 inch, 7 inch, 8 inch, 9 inch, 10 inch, 11 inch, 12 inch, and so on. These sizes are commonly used in construction, manufacturing, and engineering industries, and they may vary slightly depending on the country or region. It is important to note that steel round bars can also be custom-made to specific sizes and lengths to meet the requirements of a particular project.
- Q: What is the difference between 40Cr round steel and 40Cr steel forgings?
- The casting process constructed a fine grain structure and improved the physical properties of the metal. The utility model has the advantages of high strength and good plasticity, and is suitable for making important parts with large force and high requirement.The properties of forgings are superior to those of ordinary ones.
- Q: Can steel round bars be used for making shafts?
- Steel round bars are capable of being utilized for the production of shafts. Owing to their exceptional strength and durability, steel round bars find widespread use in various industries for the purpose of shaft fabrication. They possess the ability to endure heavy loads, withstand forces that induce bending and twisting, and exhibit remarkable performance in applications where power transmission or rotational movement is required. Moreover, steel round bars offer commendable machinability, enabling effortless shaping and formation into shafts of diverse sizes and dimensions. Furthermore, heat treatment can be employed to augment the strength and hardness of steel round bars, rendering them even more suitable for shafts operating in demanding environments. In conclusion, steel round bars are an immensely popular choice for shaft production due to their inherent properties and unwavering reliability across a multitude of industrial applications.
- Q: What is the difference between a hot-finished and a cold-finished steel round bar?
- The main difference between a hot-finished and a cold-finished steel round bar lies in the manufacturing process. A hot-finished steel round bar is produced by heating the steel billet or ingot to high temperatures and then rolling it into the desired shape. This process results in a rougher surface, with the bar exhibiting a scale or oxidation layer. On the other hand, a cold-finished steel round bar is produced by further processing the hot-finished bar through additional steps like cold drawing, turning, grinding, or polishing. This process enhances the dimensional accuracy, surface finish, and mechanical properties of the bar. The cold-finished bar has a smoother surface and tighter tolerances, making it suitable for applications that require precision and a higher-quality finish. In summary, while both hot-finished and cold-finished steel round bars serve the same purpose, the cold-finished bar offers improved dimensional accuracy, surface finish, and mechanical properties due to additional processing steps.
- Q: What are the advantages of using nickel-titanium alloy steel round bars?
- There are several advantages of using nickel-titanium alloy steel round bars. Firstly, this alloy offers high strength and excellent corrosion resistance, making it suitable for various applications in industries such as aerospace, automotive, and medical. Additionally, nickel-titanium alloy steel has shape memory properties, allowing it to return to its original shape after deformation, making it ideal for applications requiring repeated bending or twisting. Furthermore, this alloy exhibits superelasticity, meaning it can withstand large amounts of strain without permanent deformation, providing enhanced durability and longevity. Overall, the unique combination of strength, corrosion resistance, shape memory, and superelasticity makes nickel-titanium alloy steel round bars a versatile and advantageous material choice.
- Q: What are the advantages of using high-temperature steel round bars?
- High-temperature steel round bars offer several advantages. Firstly, they exhibit excellent strength and toughness, enabling them to withstand extreme heat conditions without deformation or failure. Secondly, they possess excellent corrosion resistance, making them suitable for applications in harsh environments. Additionally, high-temperature steel round bars have good thermal conductivity, which allows for efficient heat transfer. Lastly, their elevated temperature properties make them ideal for use in industries such as aerospace, automotive, and power generation, where high temperatures are common.
- Q: How do I calculate the length of a steel round bar based on weight?
- In order to determine the length of a steel round bar based on its weight, there are a few factors to consider. Firstly, you must be aware of the density of steel, which typically ranges around 7850 kilograms per cubic meter. However, it's worth noting that this value can vary depending on the specific type and grade of steel being utilized. After obtaining the density value, the next step involves converting the weight of the steel round bar into kilograms if it is initially given in a different unit. For instance, if the weight is provided in pounds, you can multiply it by 0.4536 to convert it into kilograms. Once you have successfully converted the weight into kilograms, you can proceed with using the following formula to calculate the length: Length = Weight / (Density * π * (Diameter/2)^2) It's important to ensure that the diameter is measured in meters. If the diameter is given in a different unit, it must be converted accordingly. Additionally, the symbol "π" represents the mathematical constant pi, which is approximately equal to 3.14159. By substituting the appropriate values into the formula, you will be able to accurately determine the length of the steel round bar. Remember to maintain consistent units throughout the calculation to yield precise results. Please bear in mind that this calculation assumes the round bar possesses a consistent diameter along its entire length. If the bar exhibits varying diameters or irregularities, the resulting length may be an approximation rather than an exact measurement.
- Q: Use of stainless steel round bar
- Stainless steel round bar is a kind of long material, and it is also a kind of bar. The so-called stainless steel round bar refers to the cross section is even round long material, generally about four meters long.
Send your message to us
Hot Rolled Alloy Carbon Structural Steel Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
