Alloy Steel Sheet and Plates

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Samuel Steel Manufacturer and Suppliers, Abuja, Nigeria, is a name people trust for offering quality Alloy Steel Sheets and Plates. Precise and strong in reputation, Samuel Steel serves different industries with high-end products that are of international quality. With a wide variety of alloy steel sheets and plates in different grades, they offer customized products for strength, corrosion resistance, and a superior performance. Dedicated to customer satisfaction, Samuel Steel provides timely deliveries and competitive pricing to be the most desired supplier for construction, manufacturing, and engineering industries of the Nigeria.

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A387 Low Alloy Steel Plate

ASME SA387 Alloy Steel Sheet

A387 Alloy Steel Plate

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What is Alloy Steel Sheet and Plates?

Nestled in the heart of Abuja, Samuel Steels has become a trusted name for businesses and fabricators who demand nothing but the best. We understand that the foundation of any great project lies in the quality of its materials. That’s why we specialize in supplying superior alloy steel sheets and plates, providing the robust and reliable backbone for the capital’s growing infrastructure and ambitious construction. When your project calls for enduring strength, our name is the one to remember.

Carbon Steel Sheet and Plate

Alloy Steel Sheet and Plates Specifications

Specifications ASTM A387 / ASME SA387
Thickness 1mm-300mm
Width 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc
Length 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc
Surface 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching Manufacturer and Supplier
Finish Hot rolled plate (HR), Cold rolled sheet (CR)

Alloy Steel Sheet and Plates Chemical Composition

C Mn P S SI Cr Mo
Grade 5 0.15 max 0.3 – 0.6 0.035 0.03 0.5 max 4.00 – 6.00 0.45 – 0.65
Grade 9 0.15 max 0.30 – 0.6 0.03 0.03 1.0 max 8.0 – 10.0 0.9 – 1.1
Grade 11 0.05 – 0.17 0.4 – 0.65 0.035 0.035 0.5 – 0.80 1.0 – 1.5 0.45 – 0.65
Grade 12 0.05 – 0.17 0.4 – 0.65 0.035 0.035 0.15 – 0.4 0.8 – 1.15 0.45 – 0.6
Grade 22 0.05 – 0.15 0.3 – 0.6 0.035 0.035 0.5 max 2.0 – 2.5 0.9 – 1.1

Alloy Steel Sheet and Plates Mechanical Properties

Tensile Strength (ksi) Tensile Strength (MPa) Yield Strength (ksi) Yield Strength (MPa) Elongation in 2 inches (%)
A 387 Grade 5 Class 1 60-85 415-585 30 205 18
Class 2 75-100 515-690 45 310 18
A 387 Grade 9 Class 1 60-85 415-585 30 205 18
Class 2 75-100 515-690 45 310 18
A 387 Grade 11 Class 1 60-85 415-585 35 240 22
Class 2 70-90 485-620 45 310 22
A 387 Grade 12 Class 1 50-80 380-550 33 230 22
Class 2 65-85 450-585 40 275 22
A 387 Grade 22 Class 1 60-85 415-585 30 205 18
Class 2 75-100 515-690 45 310 18

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of Alloy Steel Sheet and Plates in Abuja, Nigeria

What truly sets these materials apart is their carefully balanced composition. By incorporating elements like chromium, molybdenum, and nickel, these sheets and plates gain remarkable mechanical properties. This translates into exceptional strength and toughness, even under intense pressure and extreme temperatures. They also resist wear and abrasion superbly, ensuring longevity in demanding environments. Essentially, this alloying process creates a material that is both incredibly strong and surprisingly durable for its weight.

Alloy Steel 4340 Plate Size Chart

Size (in inches)Size (in mm)
.125″3.18mm
.134″3.40mm
.156″3.96mm
.187″4.75mm
.250″6.35mm
.312″7.92mm
.375″9.53mm
.500″12.7mm
.600″15.9mm
.750″19.1mm
.875″22.2mm
1″25.4mm
1.125″28.6mm
1.250″31.8mm
1.500″38.1mm
1.750″44.5mm
2″50.8mm
2.500″63.5mm
3″76.2mm

4130 Alloy Steel Sheet Weight chart

Thickness Plate Weight per Unit Area Density
3/16 inches 0.06000 lbs/in²42.184176 kg/m² 0.315 lbs/in³8.72 g/cm³
1/4 inches 0.08 lbs/in²56.245568 kg/m² 0.315 lbs/in³8.72 g/cm³
3/8 inches 0.121 lbs/in²85.0714216 kg/m² 0.315 lbs/in³8.72 g/cm³
1/2 inches 0.161 lbs/in²113.1942056 kg/m² 0.315 lbs/in³8.72 g/cm³
5/8 inches 0.196 lbs/in²137.8016416 kg/m² 0.315 lbs/in³8.72 g/cm³
3/4 inches 0.235 lbs/in²165.221356 kg/m² 0.315 lbs/in³8.72 g/cm³
7/8 inches 0.274 lbs/in²192.6410704 kg/m² 0.315 lbs/in³8.72 g/cm³
1 inches 0.313 lbs/in²220.0607848 kg/m² 0.315 lbs/in³8.72 g/cm³
1 1/4 inches 0.391 lbs/in²274.9002136 kg/m² 0.315 lbs/in³8.72 g/cm³
1 1/2 inches 0.47 lbs/in²330.442712 kg/m² 0.315 lbs/in³8.72 g/cm³
1 3/4 inches 0.549 lbs/in²385.9852104 kg/m² 0.315 lbs/in³8.72 g/cm³
2 inches 0.627 lbs/in²440.8246392 kg/m² 0.315 lbs/in³8.72 g/cm³
2 1/4 inches 0.705 lbs/in²495.664068 kg/m² 0.315 lbs/in³8.72 g/cm³
2 1/2 inches 0.784 lbs/in²551.2065664 kg/m² 0.315 lbs/in³8.72 g/cm³
2 3/4 inches 0.862 lbs/in²606.0459952 kg/m² 0.315 lbs/in³8.72 g/cm³
3 inches 0.941 lbs/in²661.5884936 kg/m² 0.315 lbs/in³8.72 g/cm³

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Types of Alloy Steel Sheet and Plates

Alloy Steel Hot Rolled Plates
Chrome Moly SA 387 GR 11 CL. 2 Sheet
Alloy Steel Plate ASME SA 387 GR.9 Class 1
Alloy Steel Boiler Sheet
A387 Pressure Vessel Steel Plates
ASME SA 387 GR.5 CL.2 Alloy Steel Plate

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Uses of Alloy Steel Sheet and Plates

The applications for these sheets and plates are as diverse as Abuja’s landscape. They are the unseen heroes in the structural frames of our tallest buildings and the heavy machinery on industrial sites. You’ll find them in the construction of trucks and trailers, and they are absolutely vital for fabricating specialized equipment used across various industries. Anywhere a project requires a material that can handle heavy loads and resist harsh conditions, these alloy steels are the natural choice.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry