Black Mild Carbon Steel Round Bar Cheap Hot Rolled Cold Rolled

Product details description

Unlocking Affordability and Quality: Black Mild Carbon Steel Round Bar for Every Application, Hot Rolled and Cold Rolled for Versatility

Introducing our Black Mild Carbon Steel Round Bar – the ideal solution for those seeking a perfect balance between quality and cost-effectiveness. Whether your project demands affordability without compromising strength or versatility, our round bars, available in both hot rolled and cold rolled options, are engineered to meet your diverse needs.

Key Features:

1. Cost-Effective Excellence: Our Black Mild Carbon Steel Round Bar is designed with a focus on cost-effectiveness without sacrificing quality. This makes it an excellent choice for a wide range of applications where affordability is paramount.

2. Versatility in Form (Hot Rolled): The hot-rolled option offers versatility in form, making it suitable for projects that require malleability and ease of shaping. Hot rolling ensures a smooth surface finish and precise dimensions, allowing for straightforward integration into various construction and manufacturing processes.

3. Precision and Consistency (Cold Rolled): The cold-rolled variant is synonymous with precision and consistency. Its manufacturing process yields tight tolerances, a refined surface finish, and enhanced dimensional accuracy. This makes it a preferred choice for applications demanding precision and a sleek appearance.

4. Strength and Durability: Both hot rolled and cold rolled options share the inherent strength and durability of mild carbon steel. This ensures that our round bars can withstand the rigors of diverse applications, providing reliable structural support and longevity.

5. Ease of Machining: The mild carbon steel composition of our round bars ensures ease of machining. Whether you are cutting, drilling, or welding, these bars offer a user-friendly experience, simplifying the fabrication process and saving both time and effort.

Applications:

• Construction Projects: Our Black Mild Carbon Steel Round Bar is well-suited for a variety of construction applications. From reinforcing structures to forming the framework of buildings, these round bars provide the necessary strength while remaining budget-friendly.

• Manufacturing and Fabrication: In manufacturing processes that require the versatility of mild carbon steel, these round bars shine. Whether it's for creating components for machinery, equipment, or other fabricated products, their affordability and machinability make them a go-to choice.

• DIY and Craftsmanship: For DIY enthusiasts and craftsmen looking for reliable and cost-effective materials, our round bars are perfect. Their ease of manipulation allows for creative projects ranging from furniture making to custom designs.

• Automotive and Industrial Applications: The strength and adaptability of our round bars make them suitable for automotive and industrial applications. From structural components to fabrication needs, these bars contribute to the robustness of various products and systems.

In conclusion, our Black Mild Carbon Steel Round Bar, available in both hot rolled and cold rolled options, is a versatile and affordable solution for a myriad of applications. Combining cost-effectiveness with quality, these round bars are engineered to meet your project requirements without breaking the bank. Choose our round bars for a reliable, budget-friendly solution that doesn't compromise on performance.

1: 4130 steel introduction
AISI 4130 alloy steel is a medium carbon, low alloy steel in ASTM A29 standard. ASTM 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel, containing nominally 0.28-0.33% Carbon, 0.8-1.1% Chromium and 0.15-0.25% Molybdenum. It is similar to 4140 steel which has a higher carbon level (0.28-0.33%), giving 4130 material improved weldability, at the expense of through thickness strength. With the proper heat treatment it is also readily machined. Annealing ASTM 4130 alloy steel offers excellent ductility. AISI 4130 steel is usually supplied as round bar commonly in the hardened and tempered condition.
 
2: 4130 Steel equivalent

 
3: 4130 steel chemical composition

 
4: 4130 steel mechanical properties  
  The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.

5: 4130steel overviews

Size	Round	Dia 6-1200mm
	Plate/Flat/Block	Thickness 6mm-500mm
		Width 20mm-1000mm
Heat treatment	Normalized ; Annealed ; Quenched ; Tempered
Surface condition	Black; Peeled; Polished; Machined; Grinded; Turned; Milled
Delivery condition	Forged; Hot rolled; Cold drawn
Test	Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc.
Payment terms	T/T;L/C;/Money gram/ Paypal
Trade terms	FOB; CIF; C&F; etc..
Delivery time	30-45 days
Application	4130 are used for Commercial aircraft, aircraft engine mounts, military aircraft, automotive, machine tools, hydraulic tools, auto racing, aerospace, oil and gas industries as forged valve bodies and pumps, agricultural and defense industries etc.

1.Packing :3 layers of packaging, kraft paper inside, water plastic film in the middle, the outermost GI steel plate tied with steel belt or as required.

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