AISI SAE4140 Alloy Structural Steel Round Bar SCM440
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
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,CE
Thickness:
as required
Length:
as required
Net Weight:
as required
AISI SAE4140 Alloy Structural Steel Round Bar SCM440
1 Standards and Chemical Composition:
GB-China | AISI-America | DIN-Germany | JIS-Japan |
42CrMo | 4140 | 1.7225 42CrMo4 | SCM440 |
Grade | C | Si | Mn | P | S | Cr | Mo |
SAE4140 | 0.38/0.43 | 0.15/0.35 | 0.75/1.00 | ≤0.035 | ≤0.035 | 0.80/1.10 | 0.15/0.25 |
2 Mechanical Property:
Strength of extension | 1080MPA |
Yield point | 930MPA |
Elongation | 12% |
Contractibility rate | 45% |
Impacting energy | 63J |
3 Brief Introduction:
Dimension | 14-350mm |
Length | 2-13m or as per your request |
Delivery condition | Hot rolled |
Heat Treatment | Normalizing, Annealing, Quenching |
Packing | Standard seaworthy packing or according to your requirements |
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?
We are 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?
We provide 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.
- 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: Can steel round bars be used in electrical applications?
- Yes, steel round bars can be used in electrical applications. Steel is a highly conductive material, making it suitable for electrical applications such as grounding systems and electrical connections. Steel round bars are often used in the construction of electrical transmission towers, electrical enclosures, and electrical panels. Additionally, steel round bars can also be used for structural support in electrical installations, providing stability and strength to the overall system. However, it is important to ensure that the steel round bars used in electrical applications comply with the necessary electrical safety standards and have appropriate insulation mechanisms in place to prevent any potential electrical hazards.
- Q: What is the density of a steel round bar?
- The density of a steel round bar can vary depending on the specific type and composition of the steel, but on average, the density of steel is about 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). This means that for a given volume of steel round bar, the weight or mass of the bar can be calculated by multiplying its volume by its density.
- Q: What is the minimum yield strength of steel round bars?
- The minimum yield strength of steel round bars can vary depending on the specific grade and type of steel being used. However, in general, most steel round bars have a minimum yield strength of 36,000 psi (pounds per square inch) or 250 megapascals (MPa). This minimum yield strength is typically required to ensure that the steel round bars have sufficient strength and durability to withstand applied loads and prevent deformation or failure. It is important to note that different applications may require steel round bars with higher yield strengths to meet specific performance requirements.
- Q: How do you calculate the torsional strength of a steel round bar?
- To calculate the torsional strength of a steel round bar, you need to consider its material properties, such as the shear modulus and the cross-sectional area of the bar. The torsional strength can be determined using the formula T = (G * J * tau) / L, where T is the torsional strength, G is the shear modulus, J is the polar moment of inertia, tau is the shear stress, and L is the length of the bar.
- Q: Are steel round bars available in different diameters?
- Yes, steel round bars are available in a variety of diameters to suit different applications and requirements.
- Q: Can steel round bars be used in electrical applications?
- Steel round bars are indeed applicable for electrical purposes. Due to its excellent conductivity, steel is well-suited for grounding systems and electrical connections. In the construction of electrical transmission towers, electrical enclosures, and electrical panels, steel round bars are frequently utilized. Furthermore, in electrical installations, steel round bars offer structural support, contributing to the system's overall stability and strength. Nevertheless, it is crucial to verify that the steel round bars conform to the required electrical safety standards and possess adequate insulation measures to avert any potential electrical risks.
- Q: How are steel round bars manufactured?
- Steel round bars are typically manufactured through a process known as hot rolling, where a large steel billet is heated and passed through a series of rollers which gradually shape and size it into a round bar. This process ensures the bar's uniformity, strength, and durability, making it suitable for various applications in industries such as construction, manufacturing, and engineering.
- Q: Excuse me, the difference between round steel, screw steel, steel, plate material, steel wire, hope professional answer
- Anything you say can be called steel bar, except steel wire. Round and round is a name, and wire coil, general line.
- Q: What are the different types of steel alloy compositions used for round bars?
- Round bars are made from various steel alloy compositions, each with its own unique properties and applications. Some commonly used compositions include carbon steel, alloy steel, stainless steel, tool steel, duplex steel, and high-speed steel. Carbon steel is the basic and widely used type, consisting primarily of iron and carbon. It is known for its strength, durability, and affordability. Alloy steel, on the other hand, contains additional alloying elements like manganese, chromium, nickel, or molybdenum. This gives it enhanced strength, hardness, and resistance to wear, making it suitable for high-performance applications. Stainless steel, composed mainly of iron, chromium, and nickel, offers excellent corrosion resistance. It is ideal for environments with high moisture or chemical exposure, and it is often used in architectural and decorative applications. Tool steel is designed for exceptional hardness, toughness, and wear resistance. It is commonly used in the production of cutting tools, dies, and molds. Elements like tungsten, vanadium, or cobalt are added to enhance its performance. Duplex steel is a balanced combination of austenitic and ferritic microstructures. It provides excellent strength and corrosion resistance, making it suitable for demanding environments like the offshore oil and gas industry. High-speed steel is engineered to withstand high temperatures and maintain hardness and toughness at elevated speeds. It is frequently used in the production of cutting tools, drills, and milling cutters. Compositions containing elements like tungsten, molybdenum, or cobalt are typically used. These examples represent just a few of the steel alloy compositions available for round bars. The choice of composition depends on the specific application, desired properties, and performance requirements.
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AISI SAE4140 Alloy Structural Steel Round Bar SCM440
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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