KD Fasteners’ line of Inconel heavy hex bolts is the perfect solution for a wide range of temperature problems. From extreme lows to extreme highs, Inconel heavy hex bolts excel.

Our Inconel heavy hex bolts are known for their ability to withstand extremely corrosive elements and atmospheres. These include seawater, neutral salts, alkaline media, oxidizing chemicals and nonoxidizing environments. Made with a larger head than our standard hex bolt, Inconel heavy hex bolts are manufactured for your large construction needs. We will work with you to find the right bolt for your project.

KD Fasteners’ Inconel heavy hex bolts are the preferred bolt for chemical processing, aerospace, marine, electronics, propulsion motors, submarine, and oil and gas industries.

Inconel Heavy Hex Bolts Options & Specifications

  • Available in Inconel 600, 625, 718 and 725
  • Available in standard (inch) and metric sizing
  • Custom sized diameter up to 3 ½ inches
  • Imported and domestic brands available

Our Inconel Heavy Hex Bolts are custom made with a quick turnaround time. Whether you need a standard or custom size, KD Fasteners has a solution for you. Contact us today by calling 1-800-736-5014 or filling out our contact form.

 

Physical Properties

 Grade

Tensile Strength (KSI)

Yield Strength at 0.2% Offset (KSI)

Elongation in 4D

600

80.0

35.0

30%

718

155

95

30% 

*718 is solution heat treated

Chemical Properties

Nickel Inconel 600

Element

Percent

Nickel (plus cobalt) min

72

Chromium

14-17

Iron

6-10

Carbon (Max)

.15

Manganese (Max)

1

Sulfur (Max)

.015

Silicon (Max)

.5

Copper (Max)

.5

 

Nickel Inconel 625

Element

min

max

Nickel

58

Chromium

20

23

Iron

5

Molybdenum

8

10

Niobium (plus Tantalum)

3.15

4.15

Carbon

.1

Manganese

.5

Silicon

.5

Phosphorus

.015

Sulfur

.015

Aluminum

.4

Titanium

.4

Cobalt*

1

 

Nickel Inconel 718

Element

min

max

Carbon

0.08

Manganese

0.35

Silicon

0.35

Phosphorus

0.015

Sulfur

0.015

Chromium

17.00

21.00

Nickel

50.00

55.00

Molybdenum

2.80

3.30

Columbium (Niobium)

4.75

5.50

Titanium

0.65

1.15

Aluminum

0.20

0.80

Cobalt

1.00

Tantalum

0.05

Boron

0.006

Copper

0.30

Iron

remainder