Your Professional Steel Plate Supplier!

 

Shandong SDEE Steel Co., Ltd. relies on Shandong Shengde Daye New Materials Technology Co., Ltd., which also serves as our production base. So far, SDEE Steel has three major production bases and warehouses located in China, Saudi Arabia, and Indonesia.

 
  • Galvanized Iron Sheet Roofing
    Galvanized Iron Sheet Roofing is supplied with hot-dip galvanized coating on iron substrate for excellent corrosion resistance and strong load-bearing capacity. It is widely used for industrial workshops, warehouses, residential...
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  • Galvanized Corrugated Roofing
    Galvanized Corrugated Roofing is supplied with hot-dip galvanized coating on corrugated iron substrate for excellent corrosion resistance and enhanced structural stability. It is widely used for industrial workshops, warehouses, rural...
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  • Flat Rolled Steel Sheet
    Flat Rolled Steel Sheet is supplied with hot-dip galvanized coating on flat steel substrate for reliable corrosion resistance and excellent flatness. It is widely used for construction, automobile manufacturing, household appliances,...
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  • Galvalume Metal Roof Panels
    Galvalume Metal Roof Panels are supplied with aluminum-zinc alloy coating on metal substrate for superior corrosion resistance and excellent weatherability. It is widely used for industrial workshops, commercial buildings, villas, and...
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  • PPGI Steel Plate
    PPGI Steel Plate is supplied with organic color coating on galvanized steel substrate for durable corrosion resistance and elegant decorative appearance. It is widely used for architectural decoration, household appliance manufacturing,...
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  • PPGL Steel Plate
    PPGL Steel Plate is supplied with organic color coating on aluminum-zinc (galvalume) steel substrate for superior corrosion resistance and long-lasting decorative performance. It is widely used for high-end architectural decoration,...
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  • Pre Painted Galvalume Sheet
    Pre Painted Galvalume Sheet is supplied with high-quality organic color coating on the aluminum-zinc (galvalume) substrate, featuring superior corrosion resistance and elegant decorative effect. It is widely used for high-end...
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  • Corrugated Galvanized Steel Roofing Sheet
    Corrugated Galvanized Steel Roofing Sheet is supplied with hot-dip galvanized coating on corrugated steel substrate, featuring excellent corrosion resistance and enhanced structural stability. It is widely used for industrial workshops,...
    view more
  • Galvalume Corrugated Metal Roof Panels
    Galvalume Corrugated Metal Roof Panels are supplied with aluminum-zinc (galvalume) coating on corrugated metal substrate, featuring superior corrosion resistance and enhanced structural stability. It is widely used for industrial...
    view more
 

Why Choose Us

 

 

Quality Control

SDEE Steel enforces comprehensive quality control throughout production and holds internationally recognized certifications, ensuring every steel coil complies with global performance and durability standards.

 

Customized Processing

We offers comprehensive processing services, including cut-to-length, slitting, and forming based on customer specifications. Support for customized designs, specifications, and packaging to meet personalized requirements.

 

Sales Market

Our products have been sold to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Middle East, Eastern Asia, Western Europe.

 

 

Overview: Steel Plate

 

 

A steel plate is a flat, thick piece of metal typically measuring \(\frac{1}{4}\) inch (6 mm) or more in thickness. It is created by rolling steel under high temperatures to provide exceptional strength, durability, and versatility, and it can be easily cut, welded, and formed into various products.

 

Product Specification

 

We offers the following product specifications:

Parameter​

Range/Details​

Product Name​

Aluzinc-Coated Flat Rolled Steel Coil​

Coating Type​

55% Al - 43.4% Zn - 1.6% Si (Aluzinc)​

Coating Weight​

50 g/m² - 200 g/m² (per side)​

Substrate Material​

Cold-Rolled Steel (CR) / Hot-Rolled Steel (HR)​

Steel Grade​

Q235, Q345 (GB); S235JR, S355JR (EN); A36, A570 (ASTM)​

Thickness​

0.15 mm - 3.0 mm​

Width​

600 mm - 1,800 mm (custom widths available)​

Coil ID​

508 mm / 610 mm (standard); custom IDs on request​

Coil OD​

Up to 2,000 mm​

Surface Finish​

Regular Spangle (RS), Minimal Spangle (MS), Zero Spangle (ZS)​

Tensile Strength​

300 MPa - 600 MPa (varies by steel grade)​

Elongation​

≥15% (for CR substrate); ≥10% (for HR substrate)​

Corrosion Resistance​

≥2,000 hours (neutral salt spray test, ASTM B117)​

Standards Compliance​

ASTM A792/A792M, EN 10346, JIS G 3321​

Packaging​

Seaworthy wooden pallets + PE film + VCI paper (moisture-proof, rust-proof)​

 

 

Product advantages

Strength and Durability:
Steel plates are renowned for their high tensile strength and durability. These properties make them capable of withstanding significant stress, heavy loads and harsh environmental conditions.

Versatility:
The variety of sizes and thicknesses available allows for flexibility in design and application. Steel plates can be cut, welded, and shaped to fit specific project requirements, making them suitable for a wide range of construction and industrial uses.

Cost-Effectiveness:
Steel is relatively inexpensive compared to other building materials like aluminum or titanium. Given its strength and longevity it is a cost-effective material.

Ease of Fabrication
Steel plates can be easily cut, welded, shaped, and manipulated using standard industrial tools and techniques. This ease of fabrication accelerates construction timelines and reduces labor costs, contributing to the overall efficiency of the projects with precision specifications.

Availability
Steel plates in the sizes mentioned are readily available from major supplier, ensuring projects can proceed without delay. Reputable suppliers frequently provide consistent quality and availability, which is crucial for meeting project timelines and standards.

Galvanized Corrugated Roofing

 

Materials

Carbon steel is the most frequently used and comes in varying levels of strength and ductility, which is dependent on the level of carbon added. These types include low, medium, and high carbon steel.

Alloy steel is a type of steel grade that has additional alloying elements beyond carbon that are added to enhance specific properties.

Stainless steel contains at least 10.5% of chromium which forms a protective layer on the surface for additional corrosion resistance. The biggest drawbacks to this grade for steel plates is the high cost and maintenance needed to maintain its appearance.

Tool steel is known for its hardness, resistance to wear, and ability to maintain its shape under high temperatures, making this grade of steel plate popular for use in hand tools and machine dies.

 

Galvanized Iron Sheet Roofing

 

Steel Sheet Metal Processing Methods

Hot-Rolled Sheet Metal: Cost-effective. The hot-rolling process increases the steel's toughness and ductility. Hot-rolled steel is ideal for extrusions, forgings, and bending applications.


Hot-rolled steel is used for pipes and tubing, construction, vehicle frames, and applications where tight tolerances are not required.

 

Cold-Rolled Sheet Metal: Yield strength is higher than hot-rolled steel. It is ideal for applications that require accurate dimensions and increased strength.

 

Industries & Applications

Steel plate and plate cut from coil can be used in a variety of industries and applications, as it is a very versatile and commonly used form of steel.

 
 

Aerospace

Aircraft-quality plate steel can be used for the machine tools and other equipment used to fabricate aircraft parts.

 
 

Agriculture

Typically used for agricultural equipment like harvesters, plows, and tillers.

 
 

Construction

Commonly used for structures like bridges.

 
 

Defense

Steel plate produced to military specifications can be used in armored tanks, personnel vehicles, ships, and more.

 
 

Heavy Equipment/Machinery

Commonly used in construction and earthmoving equipment, heavy trucks, rail, cranes, and more.

 
 

Pressure Vessel

Pressure vessel plate is a specific type of steel plate used for pressure vessel storage containers such as oil and gas.

 
 

Solar and Wind Towers

Steel plate is commonly used in solar and wind towers.

 
 

Automotive

Steel plate can be used in automotive construction.

 

Service & Support

 

Customization: Tailored dimensions, coatings, and packaging.

Technical Assistance: On-site guidance for installation and fabrication.

Quality Assurance: Mill test certificates and third-party inspections available.

After-Sales Warranty: Up to 25 years against perforation corrosion (terms apply).

Global Logistics: Reliable shipping and doorstep delivery worldwide.

 

Certificates

 

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Package & Delivery

 

Package: Standard export package or Custom
Delivery: By air express, by sea

 

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FAQ

 

Q: What is a high-alloy steel plate?

A: High-alloy steel plates contain metals like chromium, nickel, and molybdenum, which provide them with high resistance to corrosion and wear. They are ideal for high-performance industrial applications, such as in the aerospace and drilling industries.

Q: What are stainless steel plates used for?

A: Stainless steel plates are used in environments where corrosion resistance is required, such as in the food, pharmaceutical, chemical industries, and in the manufacture of kitchen utensils, industrial equipment, and decorative elements.

Q: How can I know which type of steel plate I need?

A: The choice of steel plate type depends on the conditions of use. Consider factors such as corrosion resistance, extreme temperatures, and weldability to choose the most suitable type for your project.

Q: What is steel plate used for?

A: Steel plate is used in nearly every industry, including energy and agriculture. Steel plates reinforce fuel storage tanks, building foundations, and bridges. Vehicle, train, and ship fabricators also use steel plates for manufacturing hulls, frames, chassis, and other components.

Q: Can you bend steel plates?

A: Various methods can be applied to bend steel plates, depending on the desired shape or degree of the bend. In the press brake method, the steel plate is positioned over a die, and a punch applies enough pressure to mold it into the desired curvature. Another method for thicker plates is heat bending, which heats the steel and makes it malleable enough to reshape.

Q: What is a bar vs. a plate?

A: Steel bars can be either rectangular or cylindrical, are typically thinner in diameter, and distribute weight more evenly than a steel plate. Besides a wider composition, steel plates have larger variations in depth and height. Lastly, steel bars are sometimes called merchants whereas steel plates don't have another nomenclature.

Q: Are you manufacturer or trading company?

A: We are manufacturer.

Q: What's your best delivery time?

A: Within 15-30 days.

Q: Will your company provide free sample?

A: It depends on which sort of item you want to get. Some can be provided free of charge, however, the client shall assume the shipping fees himself.

Q: Is OEM open to clients?

A: Yes, we can provide both OEM and ODM service.

Q: What is the payment of sample?

A: T/T and Alipay both acceptable.

Q: What is your packing?

A: Yes, our packaging is genuine original packaging. Of course, we can also provide neutral packaging or according to your requirements.

Q: What is your sample policy?

A: If we have stock, we can provide samples, but the customer must pay the sample fee and express fee Question

Q: Have you tested all your goods before shipment?

A: Yes, we will conduct 100% test before delivery, and we will send detailed photos of parts for your approval .

As one of the leading steel plate manufacturers and suppliers in China, we warmly welcome you to buy discount steel plate for sale here from our factory. All customized products are with high quality and competitive price. Contact us for free sample.

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