Adinox Overseas is the reputable and strategic contract dealers in high quality Alloy 20 Plates having high spill and supremacy properties. These plates are manufactured under strict compliance with the international specification such as ASTM B463 and UNS N08020 and are very commonly used in the industries which require high resistance to acidic medium and chlorides stress corrosion. Popularly known as the Carpenter 20, Alloy 20 stainless steel plates are an ideal replacement of standard stainless steels in extremely acidic service environments most notably in chemical, pharmaceutical, and marine works.

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Alloy 20 is an allowance of nickel, iron, chromium, molybdenum, and copper that has been created with the sole purpose of improving the capability in sulfuric acid. The exclusive chemical ratio of Alloy 20 is specific in the survival of corrosion brought either by acid attacks such as nitric acid, phosphoric acid, and aerial salt options. Adinox Overseas provides UNS N08020 Plates that have high tensile strength, are durable, and very fabricable and as such; it guarantees high-level performance in terms of mechanical performance when extreme temperatures and pressures arise.

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The high resistance to pitting and crevice corrosion in particularly chloride solution is the outstanding characteristic of ASTM B463 Alloy 20plates. Alloy 20 contains nickel as a corrosion resistant element which gives the alloy immunity to the effects of chlorides in form of stress corrosion cracking, This alloy is applicable in heat exchangers, pickling, process piping and tanks in food, pharmaceutical and chemicals process plants. Moreover, these plates do not lose their strength and ductility during the welding process leaving them suitable in equipment that requires welding without treatment after welding.

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For engineers, contractors, and procurement managers looking for reliable Alloy 20 Plate suppliers, Adinox Overseas stands out with its commitment to quality, competitive pricing, and technical support. Our products are not just certified by ASTM and UNS standards but also align with standards from NACE, ASME, and other governing bodies. We also offer material traceability, third-party inspection reports, mill test certificates, and customer-specific documentation as needed.

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Specifications Of Alloy 20 Plates

Grade	ASTM B443 / ASME SB168
Size	1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm
Thickness	0.1mm to 12 mm Thk
Standards	ASTM / ASME SB 168
Form	Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange)
Finish	Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Hardness	Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.

Chemical Composition for Alloy 20 Plates

Grade	C	Mn	Si	S	Cu	Ni	Cr	Fe	Mo	P
Alloy 20	0.07 max	2.00 max	1.00 max	0.035 max	3.00 – 4.00	32.00 – 38.00	19.00 – 21.00	29.85 min*	2.00 – 3.00	0.045 max

Mechanical Properties Of Alloy 20 Plates

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Alloy 20	8.1 g/cm3	1443 °C (2430 °F)	Psi -80,000, MPa -551	Psi - 35,000, MPa - 241	30 %

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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