ASTM 1080 Carbon Steel Round Bars System 1

ASTM 1080 Carbon Steel Round Bars System 2

ASTM 1080 Carbon Steel Round Bars System 3

ASTM 1080 Carbon Steel Round Bars System 4

ASTM 1080 Carbon Steel Round Bars

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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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Standard	C	Si	Mn	Cr	Ni	P/S ≤
DIN	≤0.15	≤1.0	≤2.0	18	9	0.03
GB	≤0.15	≤1.0	≤2.0	18	9	0.03

Material	Grade	Material	Grade
8#-10#	φ16-290	65Mn	φ40-300
15#	φ14-150	45Mn2	φ18-75
20#	φ8-480	60Si2Mn	φ16-150
35#	φ8-480	20CrMnTi	φ10-480
45#	φ6.5-480	20CrMnTiB	φ16-75
Q235B	φ6.5-180	GCr15	φ16-400
40Cr	φ8-480	ML35	φ8-150
20Cr	φ10-480	T8-T13	φ8-480
42CrMo	φ12-480	Cr12	φ16-300
35CrMo	φ12-480	Cr12MoV	φ16-300
20CrMo	φ12-300	3Cr2W8V	φ16-300
38CrMoAL	φ20-300	45Cr50Cr	φ20-300
5CrMnMo	φ20-450	20CrMnMo	φ20-300
16Mn(Q345B)	φ14-365	40Mn2	φ28-60
50Mn	φ40-200	35Cr	φ55
15CrMo	φ21 φ24 φ75	15Mn	φ32φ170
25#	φ16-280	40CrMnMo	φ80φ160
YF45MnV	φ28-80	20CrMnMo	φ20-300
30#	φ6.5-480	27SiMn	φ20-350
30CrMo	φ28	Crwmn	φ20-300
30CrMnTi	φ16-300	H13(4Cr5MoSiVi)	φ20-300
60#	φ210 φ260	40CrNiMo	φ20-400

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)

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

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 are the advantages of using wear-resistant steel round bars?: Wear-resistant steel round bars offer numerous benefits: 1. Enhanced durability: These round bars are specifically designed to withstand high levels of abrasion and wear. They have a high hardness level, which makes them resistant to surface damage caused by friction, impact, or scraping. As a result, their lifespan is extended, reducing the need for frequent replacements. 2. Increased strength: Wear-resistant steel round bars possess exceptional strength properties, allowing them to withstand heavy loads and extreme conditions. This makes them suitable for various applications in industries like mining, construction, manufacturing, and transportation, where strength and resilience are crucial. 3. Improved safety: By using wear-resistant steel round bars, a safer working environment is ensured. Their high resistance to wear minimizes the risk of accidents and injuries caused by equipment failures or structural damage. This is particularly important in industries involving heavy machinery, tools, or structures. 4. Cost-effectiveness: Although wear-resistant steel round bars may have a higher initial cost compared to regular steel bars, their extended lifespan and reduced maintenance requirements make them a cost-effective choice in the long run. The reduced need for replacements and repairs leads to lower downtime, increased productivity, and ultimately, decreased operational costs. 5. Versatility: Wear-resistant steel round bars can be used in a variety of applications due to their versatility. They can be easily machined, welded, or formed into different shapes and sizes to meet specific requirements. This flexibility allows for their use in various industries and applications, making them an ideal choice for many projects. To sum up, the advantages of using wear-resistant steel round bars include enhanced durability, increased strength, improved safety, cost-effectiveness, and versatility. These properties make them a reliable and efficient option for applications where wear and tear are significant concerns.

Q:Are steel round bars available in custom sizes?: Indeed, one can find steel round bars in custom sizes. Steel manufacturers and suppliers have the capability to produce round bars according to precise size demands and specifications. It is possible to make requests for custom sizes based on the diameter, length, and overall dimensions of the round bar. Whether it is for a particular project or application, numerous steel manufacturers and suppliers provide the opportunity to tailor the size of round bars to cater to individual requirements.

Q:Can steel round bars be used for making tools?: Yes, steel round bars can be used for making tools. Steel round bars are commonly used in tool making due to their strength, durability, and versatility. The high tensile strength of steel makes it suitable for withstanding heavy use and providing stability to tools. Additionally, steel round bars can be easily machined and shaped into various tool designs, allowing for the creation of different types of tools such as wrenches, chisels, punches, and hammers. Moreover, steel's resistance to corrosion ensures that tools made from steel round bars will have a longer lifespan. Overall, steel round bars are a popular choice in tool making due to their excellent mechanical properties and suitability for various applications.

Q:What are the tolerance standards for steel round bars?: The tolerance standards for steel round bars vary depending on the specific requirements and industry standards. Generally, tolerance standards for steel round bars are specified in terms of diameter, straightness, length, and surface finish. These tolerances ensure that the bars meet the desired dimensions and quality standards, allowing for proper fit and function in various applications.

Q:How do I determine the load capacity of a steel round bar?: To determine the load capacity of a steel round bar, you need to consider its diameter, length, and the type of steel being used. The load capacity can be determined using formulas or tables provided by engineering handbooks or consult a structural engineer who can perform calculations based on the specific properties of the steel bar.

Q:Can steel round bars be used in the transportation industry?: Yes, steel round bars can be used in the transportation industry. Steel round bars are known for their strength and durability, making them ideal for applications in the transportation industry where safety, reliability, and load-bearing capacity are essential. Steel round bars can be used for various purposes in transportation, such as constructing the framework for vehicles, manufacturing axles, drive shafts, suspension components, and other critical parts. The high tensile strength of steel ensures that these components can withstand heavy loads and vibrations, making them suitable for use in trucks, buses, cars, trains, and other modes of transportation. Additionally, steel round bars can be easily machined and fabricated into different shapes, allowing for customization and adaptation to specific transportation requirements.

Q:What are the different types of steel round bar alloys used in the aerospace industry?: In the aerospace industry, various steel round bar alloys are commonly used to meet the specific demands of different applications. These alloys have been specifically designed to meet the rigorous requirements of the aerospace sector, including the need for high strength, corrosion resistance, and lightweight properties. 1. Stainless Steel: Among the alloys used in aerospace applications, stainless steel stands out as one of the most popular choices. It possesses excellent corrosion resistance, high strength, and good heat resistance. Aircraft components like landing gear, fasteners, and engine parts often employ this alloy. 2. Titanium Alloy: Due to its exceptional strength-to-weight ratio, titanium alloys find widespread use in the aerospace industry. They offer excellent corrosion resistance, good fatigue strength, and can withstand high temperatures. Aircraft frames, engine components, and landing gear often utilize titanium alloys. 3. Aluminum Alloy: Aerospace applications benefit from the lightweight nature and excellent mechanical properties of aluminum alloys. These alloys possess good corrosion resistance and are commonly used in aircraft structures, wings, and fuselage components. 4. Nickel Alloy: Known for their high strength and exceptional resistance to extreme temperatures, nickel alloys are frequently employed in aerospace applications. They are critical in environments requiring resistance to heat, wear, and corrosion, such as turbine engines and exhaust systems. 5. High-Strength Low-Alloy (HSLA) Steel: HSLA steels are renowned for their high strength and weldability. They offer good toughness and impact resistance, making them ideal for aerospace applications where durability and strength are essential, such as in landing gear and structural components. In summary, the aerospace industry employs a combination of these steel round bar alloys to cater to the specific requirements of different components and applications. Each alloy possesses unique properties that render it suitable for specific aerospace applications, ensuring the safety, reliability, and performance of aircraft in the demanding aerospace environment.

Q:Can steel round bars be used in automotive applications?: Yes, steel round bars can be commonly used in automotive applications due to their strength, durability, and versatility. They are often used in various components such as axles, crankshafts, suspension parts, and steering columns, among others, to provide structural support and ensure the safe and efficient functioning of vehicles.

Q:Round bar, flat steel, not reinforced: Flat steel: can be used to make iron, tools and machinery parts, building used as housing structure, escalator.All belong to section steel. Round steel can be used as reinforcing steel, which is often referred to as light round bar and primary steel. Flat steel is finished steel, not steel.

Q:How do you calculate the fatigue strength of a steel round bar?: Various methods can be employed to calculate the fatigue strength of a steel round bar. For instance, the stress-life (S-N) curve approach or the strain-life (ε-N) curve approach can be utilized. The stress-life (S-N) curve approach entails plotting the stress amplitude (S) against the number of cycles to failure (N) on a log-log scale. By subjecting multiple specimens of the steel round bar to different stress levels and measuring the number of cycles to failure for each stress level, the S-N curve can be obtained. The fatigue strength of the steel round bar can then be determined by identifying the stress level at which the desired number of cycles to failure is achieved, commonly known as the endurance limit. On the other hand, the strain-life (ε-N) curve approach involves plotting the strain amplitude (ε) against the number of cycles to failure (N) on a log-log scale. Similar to the S-N curve approach, multiple specimens of the steel round bar are subjected to different strain levels, and the number of cycles to failure is recorded. By utilizing the strain-life curve, the fatigue strength can be determined by identifying the strain level corresponding to the desired number of cycles to failure. It should be emphasized that calculating the fatigue strength of a steel round bar necessitates conducting fatigue tests on representative specimens under controlled conditions. These tests involve subjecting the specimens to cyclic loading, typically in the form of tension-compression cycles, and recording the number of cycles to failure. The data obtained from these tests is then utilized to construct the S-N curve or the ε-N curve, which offers valuable insights into the fatigue behavior and strength of the steel round bar.

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