A572/S355JR Carbon Steel Bar
What You Can Get From Us
You will get professional support from over 25 years of foreign trade steel experience, stable quality and cost-effective products directly from factories, flexible and efficient customization services, as well as worry-free one-stop procurement and export guarantee.
OUR ADVANTAGES
20+ Years Experience
Customization Available
Factory Direct Supply
Stable Supply
Strict Quality Control
One-stop Service
How can we help you
You can contact us any way that is convenient for you. We are available 24/7 via email or telephone.
Free QuotePRODUCT DETAILS
A572/S355JR Carbon Steel Bar Description
A572 steel bars are lightweight, but have good strength, ductility and workability, making them ideal for structural applications. These characteristics make the A572 relatively simple to shape into different structures, while maintaining the ability to withstand large stresses and loads.
Product Parameters
Product Name | A572/S355JR Carbon Steel Bar | |||
Standard | EN/DIN/JIS/ASTM/BS/ASME/AISI, etc. | |||
Common Round Bar Specifications | 3.0-50.8 mm, Over 50.8-300mm | |||
Flat Steel Common Specifications | 6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm | |||
Hexagon Bar Common Specifications | AF5.8mm-17mm | |||
Square Bar Common Specifications | AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm | |||
Length | 1-6meters, Size Accept Custom | |||
Diameter(mm) | Hot Rolling Round Bar | 25-600 | Cold Rolling Square Bar | 6-50.8 |
Hot Rolling Square Bar | 21-54 | Cold Rolling Hexagon Bar | 9.5-65 | |
Cold Rolling Round bar | 6-101.6 | Forged Rebar | 200-1000 | |
Surface Process | Bright, Polished, Black | |||
Other Services | Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc. | |||
Chemical Composition
A572 | C | Mn | P | S | Si |
Grade42 | 0.21 | 1.35 | 0.03 | 0.03 | 0.15~0.4 |
Grade50 | 0.23 | 1.35 | 0.03 | 0.03 | 0.15~0.4 |
Grade60 | 0.26 | 1.35 | 0.03 | 0.03 | 0.40 |
Grade65 | 0.23~0.26 | 1.35~1.65 | 0.03 | 0.03 | 0.40 |
Mechanical Properties
A572 | Yield Strength(Ksi) | Tensile Strength(Ksi) | Elongation % 8inches |
Grade42 | 42 | 60 | 20 |
Grade50 | 50 | 65 | 18 |
Grade60 | 60 | 75 | 16 |
Grade65 | 65 | 80 | 15 |
Physical Performance
Physical Performance | Metric | Imperial |
Density | 7.80g/cc | 0.282 lb/in³ |
Scope of Application
ASTM A572 carbon steel low-alloy steel is widely used as bridge panels, support plates, mechanical mounting plates, etc. for construction equipment, transmission towers, racks and other equipment.
Equivalent Material
EU | German Standard | Japanese Standard | French Standard | British Standard | Canada | Italy | Spain | National Standard | International | Portugal | India |
EN | DIN,WNr | JIS | AFNOR | BS | HG | UNI | UNE | GB | ISO | NP | IS |
S355JR | St52-3 | SM490A | E36-2 | 50B | 350W | Fe510B | AE355B | Q345B | E355C | FE510-B | IS961 |
keyword:
A572/S355JR Carbon Steel Bar
FACTORY APPEARANCE
The annual steel processing capacity is several million tons, and it is mainly engaged in the research and development, production and sales of carbon steel sheet ,carbon steel coil , carbon steel pipe , stainless steel coil , stainless steel sheet , stainless steel pipe , galvanized steel coil ,galvanized steel sheet , galvanized pipe ,PPGI&PPGL, steel corrugated Roofing sheet, steel profile(angle bar,round bar, channel bar , wire rod ,steel wire , rebar , steel piles,steel rail etc),Aluminium& Copper product and other alloy steel product etc.
CUSTOMER REVIEWS
PACKAGING AND SHIPPING
We use standard export packaging with moisture-proof, rust-proof and reinforced protection for steel products, suitable for long-distance ocean transportation. Goods are neatly loaded and efficiently containerized with traceable logistics, ensuring safe and on-time delivery to customers worldwide.

PRODUCT TESTING
Our company has passed ISO9001 quality management system certification. Our products have multiple certifications such as CE/EN10204/ASTM/Classification Society/CASO/BIS, and all orders are subject to inspection by third-party inspection agencies (such as SGS/TUV/BV).
Provide customized solutions for your industry
Provide tailored steel solutions for various industries with one-stop service from material selection to production and export.
APPLICATION AREAS
Our products are widely used in construction, machinery, automotive, energy, shipbuilding, hardware and home appliances, meeting various steel application requirements.
Construction Engineering Industry
Shipbuilding & Offshore Engineering Industry
Automotive & Parts Industry
Energy & Power Industry
Machinery Manufacturing Industry
Hardware Products & Home Appliances & Furniture Industry
FAQ
Q:I want a specific size or color. Can I get my color coated steel customized?
Q: How about the MOQ? Will you accept it if my first order quantity is smal!?
Q: How long is your delivery time?
Q: How about samples? ls it free or extra cost?
Q: How to pack?
Q: What are your payment terms?
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For the steel industry, customers value quality and after-sales service the most. We always adhere to high standards and strict requirements and are committed to becoming your preferred partner.