AISI/SAE Carbon steel bar/rod

Steel Grade:Q195,Q235,Q345,45#, S20C, SAE1010,SAE1020.SAE1045,EN8,EN 19fC45,CK45,SS400 etc
Standard:ASTM A615Gr40/60,BSS4449 Gr460B,500B etc.
Diameter: 6mm-1200mm.
Length: 3000mm-12000mm or as client's request
Tolerance: +0.5mm/-0(dia),+5mm/-0(L)
Heat treatment: Normalized / Annealed / Quenched / tempered
Surface: black,mill,polished,brush,etc
Test: Ultrasonic test according to SEP 1921-84 G3 C/c
Application: Widely used in construction industry for reinforcing concret(Express way; office building, Bridge etc) Trasportation By sea(20' 40' container), parts of larger cross-sections, crankshafts, gears.

// Product  Description //


Round steel is a long strip of steel with a solid cross section. Its specifications are expressed in millimeters in diameter. They are divided into three types: hot-rolled, forged, and cold-drawn. The hot-rolled specifications are 5.5-250 mm. They are often used as steel bars, bolts, and various Mechanical parts, round steel larger than 25 mm is mainly used to manufacture mechanical parts and seamless steel tube billets.


Carbon steel rod.jpg

Product Name  carbon steel round bar
Place of Origin Shandong, China
Standard  AiSi, ASTM, bs, DIN, GB, JIS
Grade  HRB335/HRB400/HRB500
Length   6m/9m/12m or as customer request
Tolerance  ±1%
Tensile strength300N/mm² , 360N/mm² , 435N/mm²
Technique  Hot Ribbed Steel Rebar
Price TermCIF CFR FOB EX-WORK
MOQ 1 Ton
Payment Term  30%T/T Advance + 70% Balance
Packing  Standard Sea-worthy Packing
Type   Plate
Certification ISO,CE


Chemical Composition

CCuFeMnPSiS
0.25~0.2900.2098.01.030.0400.2800.050


Mechanical Behavior

A36ultimate tensile strengthTensile strength and yield strengthBreak Elongation (in 200mm)Break Elongation (in 50mm)modulus of elasticityVolume modulus (typical value of steel)Poisson ratiomodulus of shearing
the metric system400~550MPa250MPa20.0%23.0%200GPa140GPa0.26079.3GPa
British system58000~79800psi36300psi20.0%23.0%29000ksi20300ksi0.26011500ksi



Physical Property

physical propertythe metric systemBritish system
density7.85 g/cm30.284 lb/in3


Applied Range

Bolt, riveted or welded structures for bridges, construction and oil rigs, etc.

 It is used for forming storage tanks, bin, bearing plate, fixture, ring, formwork, clamp, fixture, sprocket, cam, gear, bottom plate, forgings, decoration engineering, piles, supports, automobile and agricultural equipment, frame, mechanical parts, etc.


Peer Material

Guo Biao GBEuropean standard ENAmerican-Standard ASTMDe standard DIN, WNrday mark JISThe French standard, AFNORBS BSCanada HG
Q235BS235JRA283CSt37-2SM400AE24-240A/40B230G
Italy UNIIndia ISSwitzerland SSONORM, AustraliaNorway NSSpain UNEinternational standard ISOPortuguesa NP
Fe360BIS20621311/1312RSt360BNS12123AE235B-FNE235


Shandong Zhongxuan Steel is more than just a product supplier; we are your trusted industry partner

We are committed to providing one-stop steel material solutions for domestic and international customers, meeting the needs of different industries for high-performance materials.

Personalise

We are manufacturer,We are able to satisfy customers’ individuation.

High Quality Products

Cold-rolled steel, hot-rolled steel, galvanized steel, galvanized steel, color-coated steel and other products

Provide Excellent Service

we have established long-term and win-win partnership with many large steel manufacturers

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// Professional Showcase · Safe Shipping //

In the shipping process, we strictly adhere to standardized operating procedures: we employ customized packaging solutions that are moisture-proof, scratch-proof, and deformation-proof, and each batch of products is reinforced according to international shipping standards. Whether it's full container export or domestic dedicated truck delivery, we achieve end-to-end visualized management from warehousing, packaging, labeling to logistics tracking, ensuring that goods are delivered safely and on time to customers worldwide.

Company Show

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Transport Packaging

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  • Carbon Steel

Certificate qualification

As a modern integrated steel enterprise, Shandong Zhongxuan Steel Group not only strives for excellence in its production and service systems, but also consistently adheres to the highest industry standards, establishing a rigorous, standardized, and international quality control and certification system. The company's products comply with international standards such as Japanese JIS, American ASTM/AISI, and European EN, and some products have obtained CE certification, meeting the access requirements of multiple global markets.

TESTIMONIALS

“We’ve been working with Zhongxuan Steel for over two years, and they’ve become a true partner in our business growth. Not only is their material quality consistent, but they also take the time to understand our needs and offer practical suggestions. In a market where trust is hard to find, they stand out as honest, professional, and dependable.”

Lucas M.

Lucas M.

Supply Chain Manager, Netherlands

“Working with Zhongxuan Steel feels professional and stress-free. Their team speaks clear English, answers fast, and keeps us updated at every step — from production to shipment. For any overseas buyer looking for a trustworthy Chinese steel partner, I highly recommend them.”

James R.

James R.

Industrial Equipment Supplier, South Africa

“What sets Zhongxuan apart is their customer care. They treat every order — big or small — with the same attention. We started with a small trial, and now they’re our main supplier. Transparent pricing, clear documentation, and no hidden fees.”

Emma W.

Emma W.

Trading Company Director, United Kingdom

“We needed a steady supply of steel plates for our infrastructure projects in Southeast Asia. Zhongxuan Steel has delivered every order on schedule, even during busy seasons. Their logistics support made international shipping much easier than we expected.”

David K.

David K.

Project Procurement Manager, Singapore

“We’ve been importing steel from China for years, and Zhongxuan Steel is by far the most reliable supplier we’ve worked with. Their materials arrive on time, well-packaged, and exactly as described. No surprises — just consistent quality and honest communication.”

Michael T.

Michael T.

Construction Materials Importer, Australia

“Great experience from start to finish! The team responded quickly to our inquiries, helped us choose the right products, and shipped everything within the promised timeline. Our customers noticed the improved quality of our metal products right away.”

Sarah L.

Sarah L.

Manufacturing Business Owner, Canada

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