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Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Round Bar > Carbon Steel Round Bar, 100% Material Tested, Warranty Against Defects, Custom Sizes Available

Carbon Steel Round Bar, 100% Material Tested, Warranty Against Defects, Custom Sizes Available

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Product Spotlights

100% material tested with traceable MTC; warranty against defects ensures peace of mind; custom sizes (diameter 10–500mm, length 1–12m) tailored to your project; ISO9001 certified manufacturing; global export from Qingdao port with reliable delivery.

Negotiable MOQ: 1 Ton (Price negotiable depending on order volume and customization)

Key Specifications

Get Latest Price

Standard:

Other, ASTM A36

Warranty:

Against Defects (upon request)

Material:

Carbon Steel

Contact Supplier Request Quote Chat Now

Hemaokang Steel (Shandong) Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

Qingdao Port

Delivery Detail:

7 days

Product Details
Company Profile
Contact Us

Standard Other, ASTM A36

Warranty Against Defects (upon request)

Material Carbon Steel

Diameter Range 10mm – 500mm (customizable)

Length Range 1m – 12m (customizable)

Surface Finish Black, Bright, Polished, Turned

Testing 100% Material Tested (UT, MTC, etc.)

Packaging Bundled, wrapped, or as per customer request

Hemaokang Steel (Shandong) Co., Ltd. is a trusted supplier of high-quality carbon steel round bars, backed by ISO9001 certification and an annual export value exceeding US$50 million. Our carbon steel round bars are 100% material tested, carry a warranty against defects, and are available in custom sizes to meet your exact specifications. Whether you need standard diameters or non-standard lengths, we deliver consistent quality and reliability for industrial applications worldwide.

Product Features & Technical Specifications

100% Material Tested: Every bar undergoes ultrasonic testing (UT) and material test certificates (MTC) to ensure zero internal defects and compliance with international standards.
Warranty Against Defects: We stand behind our product quality – any manufacturing defects are covered under our warranty policy (terms available upon request).
Custom Sizes: Diameters from 10mm to 500mm and lengths from 1m to 12m are available, with custom machining options (turning, polishing, chamfering).
Versatile Grades: Supplied in common carbon steel grades such as ASTM A36, AISI 1045, 1018, 1020, 4140, and more, with chemical composition and mechanical properties per your requirements.
Surface Finishes: Black, bright, polished, or turned – choose the finish that suits your application (e.g., black for structural use, bright for machining).
Global Export Experience: Shipped from Qingdao port to North America, South America, Europe, Africa, Oceania, Middle East, and Asia, with reliable logistics and timely delivery.

Typical Applications

Construction and infrastructure (reinforcement, structural supports)
Automotive and machinery parts (shafts, axles, gears)
Oil and gas industry (drilling components, pipelines)
General fabrication and metalworking

Technical Parameters (Sample Table)

Parameter	Available Range	Notes
Diameter	10mm – 500mm	Custom diameters available upon request
Length	1m – 12m	Custom lengths negotiable
Carbon Content	0.08% – 0.60% (depending on grade)	Meets ASTM/AISI spec
Tensile Strength	400 – 700 MPa (grade dependent)	Tested per MTC
Surface Finish	Black, Bright, Polished, Turned	Custom surface treatment available

Why Choose Hemaokang Steel?

ISO9001 Certified: Our quality management system ensures consistent product excellence.
Large Production Capacity: With 51–100 experienced employees and advanced facilities, we handle large orders efficiently.
Global Reach: Annual export value of US$50–100 million, serving markets across all continents including North America, Europe, Africa, and Asia.
Custom Solutions: We work closely with clients to provide tailored sizes, finishes, and packaging.
Reliable After-Sales: Warranty against defects and responsive customer support team.

Our carbon steel round bars are manufactured to strict quality standards and undergo rigorous testing before shipment. We provide detailed material test reports with every order, ensuring full traceability and peace of mind. Whether you need a small batch for prototyping or bulk quantities for large projects, Hemaokang Steel is your dependable partner.

Trust & Credibility – Since our establishment in 2025, we have rapidly grown to become a key player in the steel export industry. Our annual export value of US$50–100 million reflects the confidence our global customers place in our products. We are located in Liaocheng, Shandong, China – a renowned steel production hub – and ship from Qingdao port, one of the busiest ports in China. Our main markets span North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Combined with our ISO9001 certification, we guarantee professional service and high-quality carbon steel round bars. Contact us today to discuss your requirements or request a quote – we are ready to support your next project.

FAQ – Frequently Asked Questions

Q: What carbon steel grades are available for round bars?
A: We offer common grades such as ASTM A36, AISI 1018, 1045, 1020, 4140, and more. Custom grades can be supplied upon request if the required chemical composition is within our production capability.
Q: Do you provide material test certificates (MTC) with each order?
A: Yes, every order includes a material test certificate (MTC) confirming the chemical composition and mechanical properties of the bars. 100% ultrasonic testing is also available as an option.
Q: What is the warranty policy?
A: We offer a warranty against manufacturing defects for a specified period (terms available upon request). If any defect is found, we will replace or refund the affected products.
Q: Can you supply custom diameters and lengths?
A: Absolutely. Custom sizes are our specialty. Diameters from 10mm to 500mm and lengths from 1m to 12m are available, with further customization possible (e.g., tolerance, chamfering).
Q: What is the typical lead time for an order?
A: Lead time depends on the quantity and specifications. Generally, standard sizes are shipped within 15–25 days after order confirmation. Custom orders may take longer – please contact us for a precise timeline.
Q: How are the bars packaged for export?
A: Bars are bundled with steel straps, wrapped in waterproof material, and loaded onto pallets or directly into containers. Custom packaging (e.g., wooden crates, anti-rust paper) is available upon request.
Q: Do you ship to international destinations?
A: Yes, we export worldwide from Qingdao port. Our main markets include North America, South America, Europe, Africa, Southeast Asia, Oceania, and the Middle East.
Q: Can I request a sample before placing a bulk order?
A: Yes, sample orders are welcome. A small fee applies for samples, but it is refundable upon bulk order placement. Please contact our sales team to arrange.