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High Quality Hot Rolled Carbon Steel Alloy Steel Round Bar

Technology:hot rolled/cold rolled/cold drawn/forged
Standard:GB/T799,ASTM A29,A108,A321,A575,BS970,DIN1652,JIS G4051
Other sections:Angle bar/Square bar/Flat bar/Flat bar
Availability:
Quantity:
min order: 1 ton max order: 2000 ton
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Product Description





Alloy Steel Bar



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Alloy steel bar are solid cylindrical or rectangular alloy steel used in various industrial applications.They usually come in different sizes and grades, and they have better mechanical properties than traditional carbon steel rods.


The specific combination of elements used in alloy steel determines its properties, such as increased strength, hardness, wear resistance and corrosion resistance.For example, high-strength low-alloy (HSLA) steel bars can be used in construction applications, while stainless steel bars can be used in applications that require corrosion resistance.



Alloy Steel Bar Grades




  • 4140: This is a chromium-molybdenum steel with good strength and hardness. It is usually used in applications that require increased strength, such as the production of gears, shafts and fasteners.


  • 4130: This is a chromium-molybdenum steel, usually used in applications that require increased toughness, such as in the production of aircraft parts.


  • 4340: This is a nickel-chromium-molybdenum steel that provides high strength and toughness. It is usually used in applications that require increased strength and toughness, such as the production of gears, shafts and crankshafts.


  • 8620: This is a nickel-chromium-molybdenum steel, usually used in applications that require increased strength, toughness and wear resistance, such as the production of gears, shafts and axles.


  • 6150: This is a chrome-vanadium steel with high strength and toughness. It is usually used in applications that require increased strength and toughness, such as the production of gears, shafts and springs.



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The specific grade of alloy steel bars used depends on the requirements of the application, such as increased strength, toughness or tear resistance to corrosion.In addition, alloy steel rods must meet specific chemical composition requirements in order to be considered a specific grade of steel.


The bars comply with the standards of ASTM, ASME, sa182, ASTM 276 and ASME SA 276.They also meet the standards set by ASTM, ASME and API.In general, the diameter of the bar is between 4mm and 350mm.42crmo4 Bar is composed of carbon, manganese, chromium, molybdenum, phosphorus and sulfur.Their minimum tensile strength is between 850mpa and 1000mpa, which is strong and does not rust.It can also stand up and be worn out.SAE 4140 rods are composed of carbon, silicon, nickel, phosphorus, manganese, chromium and sulfur.


Its minimum yield strength is 80 thousand pounds per square inch and its minimum tensile strength is 100 thousand pounds per square inch (thousand pounds per square inch).It can be annealed, hardened and tempered, or hardened by precipitation, among other things.It is used to describe those things that need help are hard and strong.


  • Specifications: Standard ASTM/ASME A/SA 182, ASTM A276, ASME SA276 

  • Rods range : 4mm to 350mm dia

  • Wirs Rangs: 0.5mm to 10mm dia

  • Diameter: 10mm to 200mm diameter





Product Advantage


High strength and hardness: Alloy steel rods usually have higher strength and hardness than ordinary carbon steel, making them perform well in applications that require heavy loads or high wear resistance requirements.


Excellent corrosion resistance: Stainless steel alloy steel rods have good corrosion resistance and can resist the erosion of chemicals such as water, acid, alkali, etc., so they perform well in humid or corrosive environments.


Good high temperature performance: Some alloy steel rods (such as high-speed steel) have excellent high temperature stability and heat resistance, and are suitable for high temperature working environments.


Excellent wear resistance: Alloy steel rods usually have good wear resistance, so they are very useful in applications that require frequent wear or grinding.



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Product Application



Tool manufacturing: Alloy steel rods are commonly used in the manufacture of various tools, including knives, stamping dies, milling cutters, drill bits, screwdrivers and hammers.The high hardness and wear resistance of alloy steel allow these tools to remain sharp for a longer time.


Machinery manufacturing: Alloy steel is used in the manufacture of mechanical parts, bearings, gears, drive shafts and other mechanical components.Its high strength and toughness ensure that these components remain stable under high load and stress environments.


Construction industry: Alloy steel rods are widely used in building structures, including reinforced concrete buildings, bridges, high-rise buildings, support structures and stairs.



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Packaging & Transportation



Standard Package:

1.Cardboard encase the ends of the coil,with core and out steel edge protection.

2.Strip are wrapped with metal strapped and packed in strong wooden pallets.

3. Special customized package is acceptable upon customers' request.



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Why Choose Us?



1. CAN I GET SOME SAMPLES?

Yes. We can provide samples, you need to pay the sample fee and shipping cost in advance. We will refund the sample fee after you place your order. Please let us know your courier account or send us your fees and we will arrange to send you a sample.


2. CAN YOU PRODUCE ACCORDING TO THE SAMPLES?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.


3. WHAT IS YOUR TERMS OF PAYMENT?

Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, balance before shippment. If you have another question, pls feel free to contact us ASAP.


4. WHAT IS YOUR TERMS OF DELIVERY?

EXW, FOB, CFR, CIF, DDU.


5. CAN WE VISIT YOUR FACTORY?

Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.


6. HOW ABOUT YOUR DELIVERY TIME?

Generally speaking, 10 to 25 days after receiving your advance payment. The exact delivery time depends on the goods and quantity you ordered.


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About Us

Zhongjing Steel Group (Guangdong) Co.,Ltd. specializes in the production of cold-rolled/hot-rolled coils, carbon steel pipes, bars, and PPGI materials. It is a modern enterprise integrating carbon steel production, processing, and trade. It is a Chinese iron and steel enterprise group.

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