Alloy Steel Sheet and Plates

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Dang Steel, a reputable manufacturer and supplier located in Da Nang, Vietnam, specializes in high-quality Alloy Steel Sheets and Plates that meet international standards. With a solid reputation in the steel industry, this company is known for providing reliable products that offer exceptional strength, durability, and resistance to tough conditions. Their Alloy Steel Sheets and Plates are widely used in construction, engineering, energy, and industrial projects. Thanks to their precision engineering and robust performance, these products are the go-to choice for customers looking for dependable solutions in demanding applications.

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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?

These Alloy Steel Sheets and Plates are made from a mix of elements like carbon, manganese, chromium, molybdenum, nickel, and vanadium, all of which boost their strength and resistance to corrosion. The unique alloy composition enhances toughness, wear resistance, and stability at high temperatures. Mechanically, they boast impressive tensile and yield strength, superior hardness, and resistance to fatigue and thermal stress. These qualities make Alloy Steel Sheets and Plates incredibly versatile for heavy-duty applications that require durability and consistent performance in various industrial settings.

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 Da Nang, Vietnam

Dang Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Sheet and Plates​ in Da Nang, Vietnam. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. 

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

Across multiple industries, Alloy Steel Sheets and Plates are in high demand due to their enhanced strength and versatility. In construction, they’re used for structural frameworks, bridges, and high-rise buildings. In the energy sector, they find applications in oil, gas, and power generation equipment, thanks to their ability to withstand heat and pressure. The automotive and shipbuilding industries depend on them for crafting durable components and hull structures. Moreover, they’re also utilized in machinery, defense, pipelines, and chemical processing equipment, where durability, corrosion resistance, and a long service life are crucial for reliable operations.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry