Monel flanges

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Monel Flanges Manufacturer, Supplier & Stockist

monel-flange

Kalpataru Piping Solutions is a trusted manufacturer, supplier and exporter of high-quality Monel flanges. Monel, a strong nickel-copper alloy, is known to be of the best strength, toughness and great resistance to any form of corrosion at different temperatures. We provide Monel flanges in all shapes, sizes and specifications to suit individual needs of industrial use.

Our flanges are made of the best possible raw materials, which are sourced as per the international standards. This guarantees excellent tensile strength, a high degree of durability, and perfect corrosion resistance. The monel flanges are especially suitable in the sea, chemical, and other unfriendly environments because they have the capacity to withstand the acidic and alkaline media without degradation.

Kalpaturu Piping Solutions has a group of professional engineers who specialise in precision engineering, where flanges are being manufactured with a smooth finish, high performance and simple installation. The products are all developed according to the national and international standards that ensure higher service life and low maintenance.

We have a state-of-the-art manufacturing facility that is equipped with state-of-the-art machinery, and this factor allows us to produce Monel 400 flanges with extreme accuracy. All flanges are tested rigorously with respect to quality, which comprises mechanical and chemical testing, hardness testing and positive material testing that assures zero defects. We also deliver full documentation and test certificates with every delivery, and this serves to guarantee transparency and reliability to our esteemed customers.

Select Kalpaturu Piping Solutions to have high-performance Monel flanges that are a combination of strength, durability and precision engineering.

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Table of content

What are Monel Flanges?

Monel Flanges are high-performance nickel-copper alloy components known for their excellent corrosion and heat resistance. They are primarily used to join two pipes securely, providing durability and leak-free connections. Suitable for heavy-duty and high-temperature applications, Monel Flanges offer good ductility and long service life. Widely used in industries like chemical processing, marine, and oil & gas, they are ideal where strength and corrosion resistance are essential.

Monel Lap Joint Flanges, Monel Pipe Flanges, Monel Flanges, Monel Alloy Spectacle Blind Flanges, Monel RTJ Flanges, Monel Alloy Flange, Monel Plate Flanges, Monel Industrial Flanges, Monel Lap Joint Flanges, Monel Blind Flanges, Monel Alloy Flanges Manufacturer in India.

Specification of Monel Flanges

Specification

Details

Material / Standard

ASTM A564 / ASME SA564

Dimensions

ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN

Flange Standards

ANSI, ASME, BS, DIN, EN

Size Range

½” NB to 12” NB

Class / Pressure

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64

Flange Face Types

Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

DIN Flanges

DIN 2527, 2566, 2573, 2576, 2641, 2642, 2655, 2656, 2627–2638, 2673

JIS Flanges

JIS B2220 5K, 10K, 16K, 20K

BS Flanges

BS4504 PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, PN250, BS10, Tables D, E, F, H

Chemical Composition of Monel Flanges

Element

Composition

Ni

63.0% min

Fe

1.0–2.5%

Cu

28.0–34.0%

C

0.03% max

Mn

2.0% max

Al

0.50% max

S

0.02% max

Si

0.5% max

Mechanical & Physical Properties of Monel Flanges

Temperature (°F)

Tensile Strength (psi)

0.2% Yield Strength (psi)

Elongation in 2” (%)

70

110,600

54,900

44

1000

89,000

35,600

49

1200

83,000

35,400

54

1400

67,000

34,400

53

1600

45,000

28,200

58

Equivalent Grades for Monel Flanges

Standard

Werkstoff Nr.

UNS

JIS

BS

GOST

AFNOR

EN

Monel 400

2.4360

N04400

NW 4400

NA 13

МНЖМц 28-2,5-1,5

NU-30M

NiCu30Fe

Monel Flanges Weight Chart

Standard

Class / Rating

Diameter (mm)

Bolt Circle Diameter (mm)

Number of Bolts

Bolt Size

Bolt Hole Diameter (mm)

AS4087 Flanges

PN14 Flanges

95

67

4

M12

14

AS2129 Flange

Table C Flanges

95

67

4

13

14

Table D Flanges

–

95

67

4

13

14

Table E Flanges

–

95

67

4

13

14

Table F Flanges

–

95

67

4

13

14

Table H Flanges

–

114

83

4

16

17

Table J Flanges

–

114

83

4

16

17

ANSI B16.5 Flanges

ANSI 150 Flanges

89

60

4

13

16

ANSI 300 Flanges

–

95

67

4

13

16

ANSI 600 Flanges

–

95

67

4

13

16

ANSI 900 Flanges

–

121

83

4

19

22

ANSI 1500 Flanges

–

121

83

4

19

22

ISO 7005 (DIN) Flange

PN6 Flanges

80

55

4

M10

11

PN10 Flanges

–

95

65

4

M12

14

PN16 Flanges

–

95

65

4

M12

14

PN20 Flanges

–

90

60.5

4

M14

16

PN25 Flanges

–

95

65

4

M12

14

PN40 Flanges

–

95

65

4

M12

14

Weight Table of WNR 2.4360 Reducing Flange

Standard

Class / Rating

Bolt Circle Diameter (mm)

Diameter (mm)

Bolt Size

No. of Bolts

Bolt Hole Diameter (mm)

AS4087

PN14

67

95

M12

4

14

ANSI B16.5

ANSI 150

60

89

13

4

16

ANSI 300

–

67

95

13

4

16

ANSI 600

–

67

95

13

4

16

ANSI 900

–

83

121

19

4

22

ANSI 1500

–

83

121

19

4

22

AS 2129 Flange

Table C

67

95

13

4

14

Table D

–

67

95

13

4

14

Table E

–

67

95

13

4

14

Table F

–

67

95

13

4

14

Table H

–

83

114

16

4

17

Table J

–

83

114

16

4

17

ISO 7005 (DIN) Flange

PN6

55

80

M10

4

11

PN10

–

65

95

M12

4

14

PN16

–

65

95

M12

4

14

PN20

–

60.5

90

M14

4

16

PN25

–

65

95

M12

4

14

PN40

–

65

95

M12

4

14

Monel Blind Flange Pressure Rating

Temperature (°F)

150#

300#

400#

600#

900#

1500#

2500#

-20 to 100

275

720

960

1440

2160

3600

6000

200

235

620

825

1240

1860

3095

5160

300

215

560

745

1120

1680

2795

4660

400

195

515

685

1025

1540

2570

4280

500

170

480

635

955

1435

2390

3980

600

140

450

600

900

1355

2255

3760

650

125

445

590

890

1330

2220

3700

700

110

430

580

870

1305

2170

3620

750

95

425

570

855

1280

2135

3560

800

80

420

565

845

1265

2110

3520

850

65

420

555

835

1255

2090

3480

900

50

415

555

830

1245

2075

3460

950

35

385

515

775

1160

1930

3220

1000

20

350

465

700

1050

1750

2915

1050

20

345

460

685

1030

1720

2865

1100

20

305

405

610

915

1525

2545

1150

20

235

315

475

710

1185

1970

1200

20

185

245

370

555

925

1545

1250

20

145

195

295

440

735

1230

1300

20

115

155

235

350

585

970

1350

20

95

130

190

290

480

800

1400

20

75

100

150

225

380

630

1450

20

60

80

115

175

290

485

1500

20

40

55

85

125

205

345

Applications of Monel Flanges

Monel Flanges are widely used across industries where high strength, excellent corrosion resistance, and high-temperature performance are required. Key applications include:

  • Chemical Processing: Ideal for piping systems handling acids, alkalis, and other corrosive chemicals.
  • Marine & Offshore: Perfect for seawater, brine, and saltwater piping due to excellent resistance to corrosion.
  • Oil & Gas: Used in refineries, pipelines, and offshore rigs where high durability and heat resistance are critical.
  • Power Generation: Suitable for high-temperature steam lines and heat exchangers.
  • Heavy Machinery & Equipment: Provides reliable joints in industrial machinery exposed to heat and corrosive environments.

People Ask About Monel Flange

A Monel Flange is a nickel-copper alloy flange known for high corrosion resistance, heat tolerance, and excellent mechanical strength, used to connect pipes.

Monel Flanges are available in ASTM A564 / ASME SA564 standards and comply with ANSI, ASME, BS, DIN, EN, JIS, and GOST specifications.

They are widely used in chemical, marine, oil & gas, power generation, and heavy machinery industries.

Monel Flanges can withstand a wide range of temperatures (-20°F to 1500°F) and pressures (150# to 2500#), depending on the flange class.

Yes, Monel Flanges can be manufactured in different sizes, pressure classes, face types, and standards to meet specific industry requirements.

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