Alloy 20 Stainless Steel Coil Tubing Price

Short Description:

Alloy A20 (ASTM A 265, B 366, B 463,B 464, B 471, B 472, B 473,B 474, B 475, UNS N08020 NACE MR0175) is a iron-nickel-chromium based, austenitic superalloy. It is one of the most popular alloy developed for maximum resistance to acid attack, specifically sulfuric acid. This superalloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. It has addition of niobium for stabilization against sensitization and resultant intergranular corrosion.

It is available in various forms such as Pipes, Tubes, Tubings, Sheets, Fittings, Plates, Round Bar, welding wire etc. Applications of Alloy 20 are in industries including the chemical, food, pharmaceutical, plastics industries. heat exchangers, mixing tanks, metal cleaning and pickling equipment, and piping.

This has common names as Carpenter 20, 20Cb-3®, Incoloy® alloy 20, alloy 20 Stainless Steel or as a nickel alloy. Equivalent grades for standard Alloy 20, UNS N08020, WERKSTOFF NR. 2.4660, AFNOR Z2NCUD31-20AZ, EN NiCr20CuMo, JIS SUS 304, BS 304S31, GOST 08Х18Н10.

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Alloy 330 Composition

Alloy 20 Chemical Composition

Alloy 20	Ni	C	Mo	Mn	Si	Fe	Cu	S	P	Cr
Alloy 20	32 – 38	0.02 max	2 – 3	1 – 2	0.7 max	Bal	3 – 4	0.005 max	0.02 max	19 – 21

Alloy 20 Mechanical Properties

Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
8.1 g/cm3	1443 °C (2430 °F)	Psi – 35000 , MPa – 241	Psi – 80000 , MPa – 551	30 %

Alloy 20 Melting Point

Alloy 20 Melting Point	1443 °C (2430 °F)
Alloy 20 Density	8.1 g/cm3
Alloy 20 Tensile Strength	Psi – 80000 , MPa – 551
Yield Strength (0.2%Offset)	Psi – 35000 , MPa – 241
Elongation	30 %

Alloy 20 Equivalent

STANDARD	UNS	WERKSTOFF NR.	AFNOR	EN	JIS	BS	GOST
Alloy 20	N08020	2.4660	Z2NCUD31-20AZ	NiCr20CuMo	–	–	–

Alloy 20 (UNS N08020)
Composition %

C Carbon	Mn Manganese	P Phosphorous	S Sulfur	Si Silicon	Ni Nickel	Cr Chromium	Mo Molybdenum	Cu Copper	Nb + Ta Niobium + Tantalum	Fe Iron
0.07 max	2.00 max	0.045 max	0.035 max	1.0 max	32.00–38.00	19.00–21.00	2.0–3.0	3.0–4.0	(8.0xC) - 1.0 max	35.0 max