Gnee Steel (Tianjin) Co., Ltd. is one of the most professional astm a572 grade 50 carbon steel h beams manufacturers and suppliers in China, also supports customized service. If you're going to buy astm a572 grade 50 carbon steel h beams made in China, welcome to get free sample from our factory. Quality products and low price are available.
Gnee Steel Co., Ltd. is your trusted manufacturer and supplier of ASTM A572 Gr.50 H-beams in China. We offer high-quality structural steel at competitive prices, with free samples and fast global delivery.
Key Advantages of Our A572 Gr.50 H-Beam
Superior Strength: Yield strength ≥345MPa (50ksi), ideal for heavy-duty structural applications.
Weight Efficiency: Optimized flange-to-web ratio (e.g., W16×36) allows for 20% lighter designs compared to ordinary carbon steel.
Excellent Weldability: Low carbon content (≤0.23%) and Nb-V micro-alloying improve welding performance (CEIIW ≤0.45%) and processing efficiency by 30%.
Cold-Region Ready: Refined grain (ASTM Grade 8) ensures impact energy ≥27J at -20℃, perfect for extreme environments.
Typical Applications of Our A572 Gr.50 H-Beam
- High-rise building core tubes and frames.
- Large-span industrial factory steel beams.
- Mining machinery frames and bridge main beams.
- Export steel structures requiring ASTM compliance (equivalent to Q355D).
A572 Gr.50 H-Beam
Technical Specifications of Our A572 Gr.50 H-Beam
1. Chemical Composition (ASTM A572 Standard)
Micro-alloying with Niobium (Nb 0.005-0.05%) and Vanadium (V 0.01-0.15%) for grain refinement.
| Grade | C (max%) | Mn (max%) | P (max%) | S (max%) | Si (max%) |
| Gr. 42 | 0.21 | 1.35 | 0.040 | 0.050 | 0.40 |
| Gr. 50 | 0.23 | 1.35 | 0.040 | 0.050 | 0.40 |
| Gr. 55 | 0.25 | 1.35 | 0.040 | 0.050 | 0.40 |
| Gr. 60/65 | 0.26 | 1.35 | 0.040 | 0.050 | 0.40 |
2. Mechanical Properties
| Grade | Yield Point (min MPa) | Tensile Strength (min MPa) | Elongation in 50mm (min %) |
| Gr. 42 | 290 | 415 | 24 |
| Gr. 50 | 345 | 450 | 21 |
| Gr. 55 | 380 | 485 | 20 |
| Gr. 60 | 415 | 520 | 18 |
Why Gnee Steel?
Choosing the right steel supplier is not just about price-it's about reliability, delivery, and long-term cooperation. At Gnee Steel, we provide a complete solution to support your projects from inquiry to delivery.
1. Factory Direct Price – Real Cost Advantage
We supply directly from our own factory, eliminating intermediaries and reducing procurement costs.
- No middleman markup
- Stable and transparent pricing
- Better control over production cost
- More competitive quotes for bulk orders
This allows you to maximize profit margins, especially for distributors and EPC contractors.
2. Strong Inventory & Customization Capability
We maintain a large stock of various steel products and support full customization:
- Wide size range (W-series, IPE, HEA, HEB, plates, etc.)
- Thickness, width, and length customization
- Cut-to-size and drawing-based production
- Support for both standard and non-standard specifications
You can get exactly what your project needs without additional processing delays.
3. Fast Production & Delivery
Our factory is strategically located near major ports, ensuring efficient logistics:
- Short production cycle (fast rolling and processing)
- Stock materials available for immediate shipment
- Flexible scheduling for urgent orders
- Optimized container loading to reduce freight cost
We help you shorten project timelines and avoid delays.
4. Strict Quality Control & Third-Party Inspection
Quality is critical for industrial steel applications. We provide:
- Mill Test Certificate (EN 10204 3.1 / 3.2)
- Full in-house inspection (chemical & mechanical testing)
- Ultrasonic Testing (UT) and other NDT options
- Third-party inspection support: SGS / BV / TUV
This ensures every product meets international standards and project specifications.
5. Flexible Payment Terms
We understand different customers have different financial needs:
- T/T (30% deposit + 70% before shipment)
- L/C at sight for large orders
- Negotiable terms for long-term cooperation
- Helping you reduce financial pressure and improve cash flow.
6. Professional Export & Shipping Service
With rich global export experience, we ensure smooth delivery:
- Standard export packaging (waterproof + reinforced)
- Container and bulk shipment options
- Clear labeling and documentation
- Support for customs clearance
We have exported to Middle East, Southeast Asia, Europe, South America, and Africa.
7. One-Stop Processing Service
We go beyond raw material supply:
- CNC cutting
- Beveling and drilling
- Welding and machining
- Surface treatment (painting, blasting, galvanizing)
You receive ready-to-use steel components, saving time and labor cost.
Contact Us Now for the A572 Gr50 H Beam Latest Price List & Free Sample!
What is A572 GR 50 material?
A572 Grade 50 steel plate is a HSLA steel that is considered a workhorse grade of steel. Because of its strength, less material is needed to meet application requirements than with other grades of steel.
Is A572 grade 50 the same as A36?
Similar to A36, it utilizes carbon and manganese for strength, but it also includes additional alloys such as columbium or vanadium. These extra alloys boost its overall strength, making A572-50 typically priced at around 2.5% - 5% higher than A36.
What is A572 steel used for?
A572 steel finds wide applications in construction and manufacturing. Its high strength-to-weight ratio makes it ideal for structural applications like bridges, structural steel buildings, and highway components, where stability and load-bearing capacity are crucial.
What is the hardness of astm A572 gr50?
With its density, yield strength, and Brinell Hardness of 135, A572-50 is the preferred grade for many types of heavy-duty applications.
Is A572 grade 50 formable?
A572-50 steel is less formable than other grades of A572, but for the most part it has good formability, weldability, and machinability.