Overview of Carbon Steel Plate

Carbon steel plates are fundamental materials used across various industries due to their strength, versatility, and cost-effectiveness. They are composed primarily of iron and carbon, with small amounts of other elements. These plates can be cut, formed, and joined in numerous ways to suit different applications, ranging from construction to manufacturing.

Features of Carbon Steel Plate

High Strength: Offers excellent mechanical properties for demanding applications.

Versatility: Suitable for a wide range of industrial uses including structural, machinery, and tooling.

Cost-Effective: Provides an economical solution without compromising on performance.

Ductility: Can be easily shaped or formed into desired configurations.

Durability: Resistant to wear and tear, ensuring long-lasting performance.

Weldability: Capable of being welded without loss of integrity or strength.

(China manufacture astm A36 mild carbon steel plate Q355B hot rolled steel sheet)

Specifications of China manufacture astm A36 mild carbon steel plate Q355B hot rolled steel sheet

China-manufactured ASTM A36 mild carbon steel plate and Q355B hot-rolled steel sheet are commonly utilized in construction, equipment, and architectural applications due to their superb mechanical residential properties and convenience. Below are comprehensive specifications for both products:

** ASTM A36 Mild Carbon Steel Plate **.
* Chemical Structure: * Carbon (0.25-0.29%), Manganese (0.80-1.20%), Phosphorus (max 0.04%), Sulfur (max 0.05%), Silicon (0.15-0.40%). Micronutrient like copper (minutes 0.20%) may be present.
* Mechanical Residences: * Tensile stamina ranges 400-550 MPa, return stamina ≥ 250 MPa, elongation ≥ 20% (in 200mm). Appropriate for welding and machining.
* Dimensions: * Thickness 3mm to 200mm, width 1000-2500mm, size 3000-12000mm. Custom sizes available.
* Surface Finish: * Hot-rolled with mill range, blasted, or repainted. Optional pickled or oiled surface areas.
* Applications: * Bridges, buildings, equipment frames, and general architectural parts. Complies with ASTM A36/A36M requirements.

** Q355B Hot-Rolled Steel Sheet **.
* Chemical Structure: * Carbon (≤ 0.20%), Manganese (1.00-1.60%), Silicon (≤ 0.55%), Phosphorus (≤ 0.035%), Sulfur (≤ 0.035%), with microalloying components like niobium, vanadium, or titanium.
* Mechanical Characteristics: * Higher stamina than A36– yield strength ≥ 345 MPa, tensile toughness 470-630 MPa, elongation ≥ 22% (in 50mm). Improved low-temperature effect toughness (-20 ° C).
* Capacities: * Density 1.5-200mm, width 1500-2500mm, length 6000-12000mm. Customizable to order.
* Surface End Up: * Hot-rolled with all-natural oxide layer; choices include galvanized, shot-blasted, or primed.
* Applications: * Skyscrapers, hefty machinery, pressure vessels, and shipbuilding. Follow Chinese GB/T 1591 and European EN 10025 requirements.

Both materials undertake strenuous screening (ultrasonic, tensile, effect) to guarantee high quality. ASTM A36 is perfect for general-purpose projects, while Q355B offers exceptional stamina for demanding environments. Produced with innovative rolling technology, these steels ensure uniformity, toughness, and conformity with global specs. Offered in bulk quantities with qualifications (MTC, ISO, SGS).

(China manufacture astm A36 mild carbon steel plate Q355B hot rolled steel sheet)

Applications of China manufacture astm A36 mild carbon steel plate Q355B hot rolled steel sheet

China-manufactured ASTM A36 mild carbon steel plate and Q355B hot-rolled steel sheet are functional materials commonly utilized throughout markets due to their strength, longevity, and cost-effectiveness. ASTM A36 is a low-carbon steel understood for outstanding weldability and machinability, making it perfect for architectural applications. Q355B (formerly classified as Q345B under the Chinese GB standard) is a high-strength low-alloy steel with enhanced mechanical residential properties, consisting of greater yield strength and far better effect resistance, particularly at low temperature levels. Both materials are hot-rolled, making certain harmony in thickness and surface high quality, and are provided in sheets or plates for manufacture.

** ASTM A36 Applications **: Mostly used in building for developing structures, bridges, and support frameworks due to its ability to stand up to hefty lots. It’s also used in equipment bases, automotive elements, and general construction tasks like braces, platforms, and barriers. Its weldability permits easy setting up in workshops.

** Q355B Applications **: Matched for durable settings, such as mining devices, cranes, and agricultural equipment. Its premium toughness and durability make it perfect for pressure vessels, shipbuilding, and offshore systems. The steel’s resistance to low-temperature brittleness expands its usage to cold-region infrastructure, such as wind turbine towers and pipelines.

Both products are popular in transportation for trailer beds, shipping containers, and vehicle chassis. Suppliers favor them for producing storage tanks, silos, and industrial furnaces due to their longevity under stress and deterioration resistance when covered.

China’s production of these steels ensures affordable rates without endangering top quality, adhering to worldwide criteria. Advanced rolling techniques boost dimensional accuracy, making it possible for usage in precision engineering. Buyers gain from China’s large-scale production ability, which ensures quick schedule in custom-made dimensions and qualities. Whether for civil design, industrial machinery, or energy jobs, ASTM A36 and Q355B hot-rolled sheets offer reputable performance, stabilizing price and functionality for worldwide clients.

Company Introduction

Welcome to Wgraj, a premier global supplier of high-quality metal cladding solutions. We specialize in providing a wide range of metal cladding products, including aluminum, steel, and copper composites, designed to meet the diverse needs of architects, builders, and designers. Our commitment to innovation, durability, and aesthetic excellence ensures that our clients receive top-tier materials for their projects. With state-of-the-art manufacturing facilities and a dedication to customer satisfaction, we deliver reliable, cost-effective solutions worldwide. Partner with us for your metal cladding needs and experience unmatched quality and service.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of China manufacture astm A36 mild carbon steel plate Q355B hot rolled steel sheet

**What is the difference between ASTM A36 and Q355B steel plates?**
ASTM A36 is a mild carbon steel under the ASTM standard, widely used for structural applications due to its good weldability and machinability. Q355B (formerly Q345B) is a Chinese GB/T 1591 standard low-alloy steel with higher strength and better impact toughness at low temperatures. Q355B contains added alloys like manganese, silicon, and traces of vanadium or titanium, making it suitable for more demanding environments compared to A36.

**What are the typical applications of ASTM A36 and Q355B steel plates?**
ASTM A36 is commonly used in building frames, bridges, machinery bases, and general construction. Q355B is preferred for heavy-duty structures like cranes, ships, pressure vessels, and infrastructure requiring higher load-bearing capacity and weather resistance.

**What are the chemical composition differences between ASTM A36 and Q355B?**
ASTM A36 typically contains up to 0.26% carbon, 0.40% silicon, and 0.90% manganese. Q355B has a stricter composition, with up to 0.20% carbon, 0.50% silicon, 1.60% manganese, and added microalloys (e.g., niobium, vanadium). This enhances strength and toughness in Q355B.

**Do ASTM A36 and Q355B comply with international standards?**
Yes. ASTM A36 meets American standards, while Q355B aligns with the Chinese GB/T 1591 standard. Q355B is comparable to European EN S355 or ASTM A572 Grade 50, offering similar mechanical properties for global projects requiring cross-standard compatibility.

**What is the surface quality of hot-rolled ASTM A36 and Q355B steel sheets?**
Hot-rolled surfaces may have slight imperfections like mill scale, minor scratches, or oxide layers, which are normal and do not affect structural integrity. Surface treatments (e.g., sandblasting, painting) can be applied post-purchase. Both grades adhere to dimensional tolerances per their respective standards.

(China manufacture astm A36 mild carbon steel plate Q355B hot rolled steel sheet)