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Proven to Perform

ATI 20^™ Superaustenitic Stainless Steel

UNS N08020

Product Documents

Product Specifications By Form

Plate

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Ni	32.0	38.0
Cr	19.0	21.0
Cu	3.0	4.0
Mo	2.0	3.0
Mn		2.0
Si		1.0
C		0.07
P		0.045
S		0.035
Cb	(8xC)	1.0
Cb+Ta	(8xC)	1.0
Fe	Balance

Density

lb/in³	g/cm³
0.292	8.09

Tensile Strength

ksi	MPa
80 min	550 min

Yield Strength

ksi	MPa
35 min	240 min

Hardness

95 HRB max

Elongation

30% min

Specifications

ASTM B463, ASME SB-463, ASTM A240

Sheet

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Ni	32.0	38.0
Cr	19.0	21.0
Cu	3.0	4.0
Mo	2.0	3.0
Mn		2.0
Si		1.0
C		0.07
P		0.045
S		0.035
Cb	(8xC)	1.0
Cb+Ta	(8xC)	1.0
Fe	Balance

Density

lb/in³	g/cm³
0.292	8.09

Tensile Strength

ksi	MPa
80 min	550 min

Yield Strength

ksi	MPa
35 min	240 min

Hardness

95 HRB max

Elongation

30% min

Specifications

ASTM B463, ASME SB-463, ASTM A240

Strip

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Ni	32.0	38.0
Cr	19.0	21.0
Cu	3.0	4.0
Mo	2.0	3.0
Mn		2.0
Si		1.0
C		0.07
P		0.045
S		0.035
Cb	(8xC)	1.0
Cb+Ta	(8xC)	1.0
Fe	Balance

Density

lb/in³	g/cm³
0.292	8.09

Tensile Strength

ksi	MPa
80 min	550 min

Yield Strength

ksi	MPa
35 min	240 min

Hardness

95 HRB max

Elongation

30% min

Specifications

ASTM B463, ASME SB-463, ASTM A240

Contact

Contact

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