Short Description

Model No.: Inconel-625-Blind-Flange-RF-D80-CL300

China Flange Manufacturer www.steeljrv.com offers ASME B16.5 Inconel 625 Blind Flange RF, D80, CL300.

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Key Specifications / Features

Type: 625 Blind Flange
Material: Inconel 625 (UNS N06625)
Size: 3″ (DN80)
Pressure Class: 300#
Standard: ASME B16.5

20180331094759 37541 - ASME B16.5 Inconel 625 Blind Flange RF D80 CL300

Composition of nickel alloy 625

Chemistry, %

AMS 4967

 

Min

Max

Chromium

20.00

23.0

Nickel

58.00

Balance

Molybdenum

8.00

10.00

Cobalt

1.00

Columbium + Tantalum

3.15

4.15

Aluminum

0.40

Titanium

0.40

Carbon

0.10

Iron

5.00

Manganese

0.50

Silicon

0.50

Phosphorus

0.015

Sulfur

0.015

Physical Properties of Nickel Alloy 625

Density:

0.305 lb/inch3

Melting Range:

2350-2460°F

Thermal properties of Nickel Alloy 625

Temp

Coefficient of Thermal Exp.

Thermal Conductivity

Modulus of Elasticity Dynamic

°F

in/in °F x 10-6

Btu. ft/ft2.hr°F

psi x 106

70

5.7

29.8

400

7.3

7.2

28.4

600

7.4

8.2

27.5

800

7.6

9.1

26.6

1000

7.8

10.1

25.6

1200

8.2

11.0

24.4

1400

8.5

12.0

23.1

1600

8.8

13.2

Typical Mechanical Properties of Nickel Alloy 625

Property

Value

Ultimate Tensile Strength

120 ksi

0.2% Yield

60 ksi

Elongation (2”)

30%

Corrosion Resistance of Nickel Alloy 625

Alloy

 

Quiet

 

Flowing, 2 ft/sec

 

Weight Loss, g

Range of Pit Depth, mils

Weight Loss, g

Range of Pit Depth, mils

 

 

Panel

Crevice Area

 

Panel

Crevice Area

625

Nil

Nil

Nil

0.25

Nil

Nil

C-276

Nil

Nil

Nil

0.10

Nil

Nil

René 41 

0.80

Nil

Nil

0.30

Nil

Nil

0.10

Nil

Nil

0.60

Nil

Nil

825 

0.25

0-1

0-9

0.20

3-6

1-26

718 

2.70

Nil

37-165P

5.15

Nil

40-165P

Test duration two years. P=perforated by local attack

Crevice corrosion temperature (CCT)

Alloy

 UNS No.

Molybdenum Content

 °C

 °F

 Pitting Resistance Equivalent, (PRE)N

316L

S31603

2.1

-3

27

23

825

N08825

2.7

-3

27

30

2205

S31803

3.1

20

68

38

317L

S31703

3.2

2

35

29

AL-6XN®

N08367

6.2

43

110

48

625

N06625

9.0

45

113

51

C-276

N10276

15.4

55

130

66

10% FeCl3.6H2O, per ASTM G 48 Practice B

(PRE) N=Cr + 3.3Mo + 16N

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