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Proven to Perform

ATI 718-OP^® Nickel-Based Alloy

UNS N07718

Product Documents

Data Sheet English (PDF)

Product Specifications By Form

Bar

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Ni	50.0	55.5
Cr	17.0	21.0
Cb	4.87	5.20
Mo	2.8	3.3
Ti	0.65	1.15
Al	0.20	0.80
C		0.08
Fe	Balance

Density

lb/in³	g/cm³
0.296	8.19

Tensile Strength

ksi	MPa
150 min	1034 min

Yield Strength

ksi	MPa
120 min	827 min

Hardness

32-40 HRC max

Elongation

25% min

Specifications

NACE MR0175, API 6A 718, ASTM B637 (chemistry only)

Billet

Composition

Element	Minimum (weight %)	Maximum (weight %)	Typical (weight %)
Ni	50.0	55.5
Cr	17.0	21.0
Cb	4.87	5.20
Mo	2.8	3.3
Ti	0.65	1.15
Al	0.20	0.80
C		0.08
Fe	Balance

Density

lb/in³	g/cm³
0.296	8.19

Tensile Strength

ksi	MPa
150 min	1034 min

Yield Strength

ksi	MPa
120 min	827 min

Hardness

32-40 HRC max

Elongation

25% min

Specifications

NACE MR0175, API 6A 718, ASTM B637 (chemistry only)

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