Zinc-rich Epoxy Primer Coated ASTM A36 Carbon Steel Plate

Zinc-rich Epoxy Primer Coated ASTM A36 Carbon Steel Plate

Zinc-rich epoxy primer coatings applied to ASTM A36 carbon steel plates represent a critical advancement in industrial corrosion protection. This combination marries the inherent strength and versatility of ASTM A36 steel with the superior corrosion resistance provided by zinc-rich epoxy technology. The primer forms a durable barrier against moisture, chemicals, and atmospheric conditions, effectively shielding the underlying steel from rust and degradation over extended periods. Widely utilized in sectors ranging from oil and gas to construction and marine industries, these coated plates ensure the structural integrity and longevity of critical infrastructure, including storage tanks, pipelines, structural components, and industrial equipment. Beyond protection, the zinc-rich epoxy primer promotes ease of application and adherence to stringent industry standards, making it a preferred choice for projects demanding reliability in diverse and challenging environments.

Chemical Composition of ASTM A36 Carbon Steel Plate

Element	Composition (%)
Carbon (C)	0.25 max
Manganese (Mn)	0.80-1.20
Phosphorus (P)	0.04 max
Sulfur (S)	0.05 max
Silicon (Si)	0.40 max
Copper (Cu)	0.20 min when copper steel is specified

Mechanical Properties of ASTM A36 Carbon Steel Plate

Property	Value
Tensile Strength, ksi (MPa)	58-80 (400-550)
Yield Strength, ksi (MPa)	36 (250) min
Elongation in 8 in. (%)	20 min
Elongation in 2 in. (%)	23 min

Specifications

Standard	Zinc-rich Epoxy Primer Coated ASTM A36 Carbon Steel Plate
Steel Grade/Material	ASTM A36
Dimension	T 5-300mm × W 900-4100mm × L 3000-25000mm
Coating Brands	Sherwin-Williams Zinc-Clad/Zinc-Clad II; PPG Amercoat 68HS/Amercoat 385; AkzoNobel Interzinc 52/Interic 22; Hepmel Hempadur Zinc 17360; Carboline Carboguard 893; Jotun Tankguard HB/SF/DW
Coating Thickness	First Coat (Zinc-rich Epoxy Primer): Usually applied at a DFT of 50 to 75 microns (2 to 3 mils). Top Coat (MIO=Micaceous Iron Oxide Intermediate Paint): Applied at a DFT of 50 to 75 microns ( 2 to 3 mils).
Plate Surface Preparation	Cleaning, Degreasing, Abrasive Blasting, Surface Profiling, Surface Contamination Check
Surface Treatment	Sandblasted single side or both sides to Sa 2.5 as per ISO 8501-1/SSPC SP-10/NACE No.2
Edge Process	Keep 50mm at four edges for safe welding
Packing	Separated two sides with kraft papers, Packed with steel-framed plywood pallets
Technique	MIO (Micaceous Iron Oxide) + Zinc-rich Epoxy Primer coating
Place of Origin	Made in China
MOQ	50 Tons
Transportation	Railway, By Sea

Applications of Znc-rich Epoxy Primer Coated ASTM A36 Carbon Steel Plate

Oil and Gas Industry: ASTM A36 carbon steel plates coated with zinc-rich epoxy primers are used in the construction of oil storage tanks, pipelines, and offshore platforms. The coating protects against corrosion in harsh environments, including exposure to seawater and various chemicals.

Industrial Equipment: These coated plates are used in the fabrication of industrial equipment such as chemical processing vessels, reactors, and storage tanks. The zinc-rich epoxy primer enhances the durability and extends the service life of the equipment by preventing rust and corrosion.

Structural Steel: In construction and infrastructure projects, ASTM A36 carbon steel plates with zinc-rich epoxy coatings are employed for structural elements such as beams, columns, and girders. The coating protects against atmospheric corrosion and ensures structural integrity over time.

Transportation: The plates are used in transportation infrastructure for bridges, highway structures, and railings where corrosion protection is critical. The zinc-rich epoxy primer coating helps maintain the structural integrity of these components exposed to varying environmental conditions.

Marine Applications: In marine environments, such as shipbuilding and offshore structures, ASTM A36 plates with zinc-rich epoxy primers provide robust corrosion protection against saltwater exposure and other harsh marine conditions.

Mining and Mineral Processing: These coated plates are utilized in mining equipment, conveyor systems, and mineral processing plants where they are subjected to abrasive and corrosive environments. The coating enhances equipment reliability and reduces maintenance costs.

Power Generation: ASTM A36 plates with zinc-rich epoxy coatings are used in power plants for components such as boilers, heat exchangers, and flue gas desulfurization systems. The coating protects against corrosion caused by high temperatures and chemical exposure.