ASTM B729 B464 B468 NO8020 Alloy20 SMLS PIPE

Overview

UNS N08020 is an austenitic stainless steel with an excellent resistance to hot sulphuric acids and many other aggressive environments. Due to this characteristics it is often used in the pharmaceutical and agrichemical industry.

As one of the worldwide biggest manufacturer and stockist of UNS N08020 we supply this Material to many different industries such as oil and gas, power generation, petrochemical and other industrie

Chemical Composition

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

Alloy	%	Ni	C	Co	Cr	Cu	Fe	Mn	Mo	Nb+Ta	P	S	Si
DIN 17751 2.4660	min.	32.0	-	-	19.0	3.0	Rest	-	2.0	8×C	-	-	-
DIN 17751 2.4660	max.	38.0	0.07	1.5	21.0	4.0	-	2.0	3.0	1.00	0.025	0.015	1.00

Carpenter 20 Equivalent

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

ASTM B729 N08020 Alloy 20 Pipe Mechanical Properties

Alloy	Tensile strength Rm N/mm² ksi (MPa) min	Yield strength Rp0. 2N/mm² ksi (MPa) min	Elongation in 2in. (50.8mm) or 4D min, %
ASME SB 729 N08020	80 (550)	35 (240)	30.0

DIN 17751 2.4660 Alloy 20 Pipe Mechanical Properties

Material Grade	Tensile Strength Rm N/mm²(MPa) min	Yield Strength Rp 0.2% N/mm²(MPa) min	Yield Strength Rp 1.0% N/mm²(MPa) min	Elongation (%)	Brinell Hardness HBW 2.5/62.5 max	Brinell Hardness HBW 2.5/62.5 Approximately
Alloy 20 2.4660	550	240	270	40	220	-

Material No.	DIN 17744 17750 17751 17752 17753 2.4660
EN symbol (short)	NiCr20CuMo
AISI/SAE	—
UNS	ASTM A182 A240 B366 B463 B464 B468 B729 N08020
AFNOR	—
B.S.	—
Alloy	Alloy 20

Electrical properties

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

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