Gnee Steel (Tianjin) Co., Ltd. is one of the most professional equal angle steel bar q420 manufacturers and suppliers in China, also supports customized service. If you're going to buy equal angle steel bar q420 made in China, welcome to get free sample from our factory. Quality products and low price are available.
Equal Angle Steel Bar Q420
Q420 Equal Angle Performance
High Strength: Q420 angle steel has a yield strength of 420 MPa.
Good Ductility: It can withstand deformation without fracturing, providing flexibility in design.
Excellent Weldability: Q420 angel bar is easy to weld, ensuring reliable connections in structural frameworks.
Applications of Q420 Equal Angle Steel
Construction: Used for large building frames, bridges and towers.
Industrial Equipment: Suitable for heavy machinery bases, platforms and brackets.
Marine Structures: Due to its high strength, it can be used in shipbuilding and offshore structures.
Railway Infrastructure: Commonly used in railway tracks and heavy-load support structures.
Q420 Angle Steel Grade Comparison
| Chemical Composition % (GB/T 1591 – 2008) | ||||||||||||||||
| Steel Grade | Grade | C (≤) | Si (≤) | Mn (≤) | P (≤) | S (≤) | Nb (≤) | V (≤) | Ti (≤) | Cr (≤) | Ni (≤) | Cu (≤) | N (≤) | Mo (≤) | B (≤) | Als (≥) |
| Q420 | Q420A | 0.20 | 0.50 | 1.70 | 0.035 | 0.035 | 0.07 | 0.20 | 0.20 | 0.30 | 0.80 | 0.30 | 0.015 | 0.20 | – | – |
| Q420B | 0.035 | 0.035 | – | |||||||||||||
| Q420C | 0.030 | 0.030 | 0.015 | |||||||||||||
| Q420D | 0.030 | 0.025 | 0.015 | |||||||||||||
| Q420E | 0.025 | 0.020 | 0.015 | |||||||||||||
| Grade | Key Characteristics | Typical Applications |
|---|---|---|
| Q420A | Basic grade, moderate quality | General heavy-duty construction |
| Q420B | Improved quality, better toughness | Bridges, heavy machinery |
| Q420C | Enhanced low-temperature performance | Cold climate structures |
| Q420D | Excellent low-temperature toughness | Offshore platforms, heavy-duty structures |
| Q420E | Superior extreme cold performance | Arctic and sub-zero temperature applications |
Q420 Angle Steel Specifications
| Product name | Equal Angle Steel 6m/12m |
| Length | 6M/9M/10M/12M, OR Cut as your demands |
| Other processing service | Hot dip Galvanized, Pre-galvanized, Color Painting, Coated, Cutting, Bending, Punching as long as you can tell us your requirement. |
| Material | S235JR S275JR S355JR/JO/J2 A36 A572GR50 A572GR60 A992 SS/SM/STPG400 SS/SM/STPG490 SS/SM/STPG540 Q235 Q275 Q345 Q355 Q420 Q460 |
| Usage | Mechanical & Manufacture, Steel strcuture, Shipbuilding, Bridging, Automobile Chassis. |
| Packing | tied up with steel strips and wrapped with water proof paper |
| Delivery Time | Delivered within 3-7 days after the receipt of deposit |

GNEE Steel Angle Steel Manufacturer
GNEE Steel was established in 2008. The company has won unanimous praise from customers through its huge inventory, the most complete variety, the most stable supply and the most timely delivery. With high-quality products and good services, our customers are all over the world.
We are happy to provide you with the best price and product suggestions, including the inventory and application of goods; we will always provide you with the latest market price information. Welcome to visit our company.




















