CUNRUI Metal : Your Leading Structural Steel Supplier in China
CUNRUI Metal is a leading global supplier of high‑quality steel and metal products. With more than 20 years of industry experience, advanced production facilities, and strict quality control systems, we deliver materials that meet international standards and customer specifications.
Extensive Product Range
Our product catalog covers a wide variety of steel products, from coils and plates to pipes, bars, and profiles, meeting the diverse needs of purchasing professionals.
Customized Solutions
We offer customized services, including cutting, slitting, coating, and special processing, to meet your project requirements.
Rapid Response and Support
Our team provides rapid technical support, accurate quotations, and professional customer service to assist your purchasing decisions and delivery schedules.
Highly Competitive Pricing
With efficient operations and robust supply chain management, we offer highly competitive prices while ensuring product quality, helping buyers effectively control costs.
-
![S235JR Structural Angle]()
S235JR Structural AngleS235JR Structural Angle is a low-carbon structural angle steel manufactured according to EN 10025-2 standard, primarily used for load-bearing and connecting structural components.
Introduction
Structural steel is a high-strength, durable steel material designed for load-bearing and construction applications. It is widely used in building frameworks, industrial equipment, bridges, and infrastructure projects.
Parameter
|
Parameter |
Specification |
|
Standard |
JIS G3101 |
|
Grade |
SS400 |
|
Product Form |
Structural Steel Bar / Structural Steel Rod |
|
Sizes |
Diameter 6mm – 500mm; Length 3m – 12m (customized upon request) |
|
Surface Treatment |
Black, Pickled, Polished, Oiled, Galvanized |
|
Yield Strength |
≥ 245 MPa |
|
Tensile Strength |
400 – 510 MPa |
|
Elongation |
≥ 21% |
|
Hardness |
HB ≤ 160 (depending on thickness and processing) |
|
Certification |
Mill Test Certificate, EN10204 3.1 / 3.2, Third-Party SGS, BV, LR if required |
Versatile Shapes & Sizes
Round, square, flat, hexagonal, and ribbed profiles; diameters from 6–500 mm, lengths up to 12 m.
Good Machinability
Suitable for cutting, drilling, and secondary processing without compromising integrity.
Good Weldability
Most grades allow strong welding without losing structural strength.
Material Grades
|
Grade |
Features |
Applications |
|
SS400 |
Good weldability, moderate strength |
General structural parts |
|
S355J2 |
High strength and toughness |
Heavy-duty structures |
|
A36 |
ASTM standard carbon steel |
General construction projects |
|
A572 Gr.50 |
High-strength low-alloy |
Bridges, heavy machinery |
|
42CrMo4 |
Alloy steel, fatigue-resistant |
Mechanical shafts, rotating parts |
Customization Options
Sizes & Lengths:
Custom diameter, width, and length to suit your project.
01
Shapes & Profiles:
Round, square, flat, hexagonal, or ribbed steel available.
02
Material & Grade:
Choose carbon steel, low-alloy, or high-strength steel.
03
Surface Treatment:
Galvanized, polished, or anti-rust coatings.
04
Processing:
Cutting, drilling, or machining per your specifications.
05
Certificate
FAQ
As one of the most experienced structural steel manufacturers in China, we also support customized service. Please rest assured to buy cheap structural steel for sale here from our factory. If you have any enquiry about pricelist and free sample, please feel free to email us.
