Monel tube

Monel tube
What is Monel tube ?

Monel is a high performance alloy that has min 63% nickel and 28-34% copper content.It also has added iron and manganese which enhance material properties and make monel tubes perfect for different industrial usage.It shows good resistance to chloride related stress corrosion cracking and hence can be found in the marine sectors.

There are different grades of the monel material like 400 and K-500.The former has a tensile strength of 400 ksi in a cold drawn annealed state.K-500 is stronger but more prone to stress corrosion cracking than 400 grade.

he tubes can resist corrosion from acids and fire even in the presence of oxygen.They are preferred in harsh environments but have a higher cost than the standard stainless steel grades.

Table of content

Most reliable monel seamless tubing suppliers in India as per ASTM B165, check it temperature range

What temperature does Monel seamless tube operate at?

Monel seamless tubes show great mechanical properties at subzero temperature.It can be effectively used up to 1000 °F as the material has a melting point of 2370-2460 °F.However, the specific operating temperature of the seamless tube will depend on the monel grade.

Focuses on the supply and stock of Monel tubing OD range from 10mm to 114.30 and length 6-12 meter or custom with timely delivery in Mumbai.see application

Monel tubing

Monel tubing

Monel seamless tube

Monel seamless tube

Monel alloy annealed tube

Monel alloy annealed tube

What is Monel tubing used for?

Monel tubing is widely used for various applications in marine engineering and chemical industries.The tubes are an eminent part of hydrocarbon processing equipment.

They are also found in high temperature services like valves, pumps, heat exchangers, shafts, etc.The 400 grade is used in metal instruments and eyeglass frames.

Fully certified stockist of Monel alloy extruded and annealed tube with wall thickness of 1mm to 7.62mm in various grades at a genuine price

Monel tube specification
Size Thickness Length
upto 3" OD 1 mm to 7.62 mm 3 meter
Specification Grades Condition
ASTM B165 Monel 400, 401, 404, 405, K500 AP, Polished, BA, Cold Drawn, MF
Get chance to acquire a reasonable price of Monel bright annealed tube and redrawn tube here only , check more other types
Most frequent types of monel tubing
Monel alloy extruded tube

Monel alloy extruded tube

  • Marine Industry
  • Oil and Gas
  • Aerospace construction
Monel redrawn tube

Monel redrawn tube

  • Thickness: 1 to 7.62mm
  • OD: 10 to 114.30 mm
  • ASTM B165 | ASME SB 165
Monel metal condenser tubes

Monel metal condenser tubes

  • 400
  • K500, 404
  • 401, 405
We can assist with all monel alloy boiler and heat exchanger tubes supply needs as one of the leading distributors of Monel metal condenser tubes, read its properties
Monel seamless tube equivalent
STANDARD UNS EN AFNOR WERKSTOFF NR.equivalents GOST JIS BS
Alloy K500 N05500 2.4375
Alloy 400 N04400 NiCu30Fe NU-30M 2.4360 МНЖМц 28-2,5-1,5 NW 4400 NA 13
Monel redrawn tube mechanical properties
Tensile strength, Ultimate 550 Mpa
Tensile strength, Yield 240 Mpa
Elongation at Break 48%
Monel alloy annealed tube chemical properties
Monel Grade ASTM/AISI Alloy Type UNS No. %Cu %Ti %Si %Ni %Fe %Mn %Al
Monel 400 B 127/ B 164 N04400 28-34 Max 0.5 Min.63 Max 2.5 Max 2.0
Monel K500 B 865 N05500 27-33 0.35-0.85 Max 0.5 Min.63 Max 2.0 Max 1.5 2.3-3.15
Monel 401 N04401 28-34 Max 0.5 Min.63 Max 2.5 Max 2.0
Monel 405 B 164 N04405 28-34 Max 0.5 Min.63 Max 2.5 Max 2.0
Monel 404 N04404 Remaining Max 0.1 52-57 Max 0.5 Max 0.1 Max 0.05
What is difference between Monel alloy annealed and redrawn tube ?

Monel alloy annealed tubes undergo a heat treatment process which improves their ductility and reduces hardness.They are mostly used for various forming operations.Monel redrawn tubes are extruded multiple times to give specific dimensions along with a tight tolerance.

Thus, the difference between them is in the way they are manufactured.The annealed tubes offer higher workability and redrawn tubes come with a precise dimension.

What are the cutting speeds for Monel alloy extruded tube

The cutting speeds for Monel alloy extruded tube depend on the material grade, tube diameter and wall thickness.It also varies with the type of cutting tool used and the machining process.

Also, monel is a hard material that shows work-hardening properties.This can have an impact on their cutting speed.

Why is Monel so expensive?

Monel is more expensive than standard stainless steel grades.Thus, they should only be used in critical applications where substitute materials will not work.It costs around 4 to 5 times the price of copper or nickel.Monel tubing suppliers state that the following are the reasons behind this high price:

  • It has a high nickel content which is an expensive material.The other major constituent, copper is also quite costly.
  • The alloy is specifically engineered to provide better corrosion resistance and other enhanced properties, which can increase the price.
  • Monel products need to follow a complex manufacturing process.
  • Their toughness and work-hardening behavior can lead to additional fabrication costs.
  • It has a limited supply and is only used for specialized applications.
Technical specification of Monel tubing
Specifications: ASTM B829, ASTM B165,ASTM B751 ASTM B775, ASTM B730, ASTM B163, AMS 4574, ASTM B725
UNS: N04400
International Specifications: VdTUV 2635, din 17752,
Monel seamless tube gauge thickness
THICKNESS RANGE (INCH) GAUGE TYPICAL VALUE (INCH)
0.031 - 0.035 inch 20 0.035
0.175 - 0.185 inch 7 0.18
0.025 - 0.029 inch 22 0.028
0.044 - 0.049 inch 18 0.049
0.038 - 0.042 inch 19 0.042
0.053 - 0.058 inch 17 0.058
0.066 - 0.074 inch 15 0.072
0.060 - 0.065 inch 16 0.065
0.075 - 0.085 inch 14 0.083
0.101 - 0.111 inch 12 0.109
0.087 - 0.097 inch 13 0.095
0.112 - 0.122 inch 11 0.12
0.140 - 0.150 inch 9 0.148
0.126 - 0.136 inch 10 0.134
0.157 - 0.167 inch 8 0.165
Surface finish of Monel redrawn tube
Surface Finish (OD) Exterbal Surface (ID)Internal Surface
(RA)Roughness Average (RA) Roughness Average
μm μ inch μm μ inch
BA Beight Annealed 0.8 32 1.0,0.8,0.6,0.5 40,32,25,20
AP Annealed & Pickled 1.0 or Not defined 40 or Not defined Not defined Not defined
EP Electro Polish 0.8 32 0.38,0.25,0.20;0.13 15,10,7,5
MP Mechanical Polish 0.8 32 1.0,0.8,0.6,0.5 40,32,25,20
Standards of Monel metal condenser tubes
USA AISI Acronym of American Iron and Steel Institute
USA ASTM Ameirican Society of Mechanical Engineers
GER DIN Deutsches Institut für Normung e.V.
JP JIS Japanese Industrial Standards
USA UNS Unified Numbering System
Monel bright annealed tube weight chart
WALL DIMENSIONS WEIGHT PER WALL DIMENSIONS WEIGHT PER
(MM) (MM) METRE (KG) (MM) (MM) METRE (KG)
1.50 12.7 x 12.7 0.55 1.50 40 x40 1.85
1.20 12.7 x 12.7 0.44 1.20 40 x40 1.49
1.50 15 x 15 0.65 3.00 40 x40 3.75
1.20 15 x 15 0.53 2.00 40 x40 2.45
1.20 20 x 20 0.71 1.50 50 x50 2.32
2.00 20 x 20 1.19 3.00 50 x50 4.65
1.50 20 x 20 0.88 2.00 50 x50 3.08
1.20 25 x 25 0.92 2.00 60 x60 3.71
2.00 25 x 25 1.49 3.00 70 x70 6.53
1.50 25 x 25 1.14 3.00 60 x60 5.49
3.00 25 x 25 2.20 2.00 80 x80 4.98
1.50 30 x 30 1.37 2.00 100 x 100 6.40
1.20 30 x 30 1.10 3.00 80 x80 7.53
3.00 30 x 30 2.72
2.00 30 x 30 1.84 3.00 100 x 100 9.53
Monel metal coiled tubing tolerances
WALL THICKNESS INCHES O.D.INCHES O.D.+/- INCHES
.025 to .065 1 to 1-1/2" incl. .008
Over .065 to .134 .010
.025 to .065 1/2" to 1" incl. .005
Over .065 to .134 .010
.083 to .165 3-1/2" to 5" incl. .020
Over .165 to .220 .025
.032 to .065 2" to 2-1/2" incl. .012
Over .065 to .109 .013
Over .109 to .165 .014
.025 to .049 1-1/2" to 2" incl. .010
Over .049 to .083 .011
Over .083 to .148 .012
.032 to .165 2-1/2" to 3-1/2" incl. .014
Over .165 to .220 .020
Pressure rating of Monel alloy tube
Tube O.D.
(in.)
Wall Thickness of Tube (inches)
.065 .035 .028 .049 .095 .083 .120 .109
Working Pressure (psig)
1 2200 3400 2900 4300 3900
1/4 9500 4800 3700 7000
1/8 10100 7900
1/2 4400 2300 3200
5/16 7300 3700 5400
3/8 6100 3100 4400
3/4 3000 2200 4600 4000
Physical properties of Monel tubing
Luster Metallic [9]
Color/Appearance Gray [6]
Density 8.80X103 Kg/M3 [2]
Melting Point 1300 – 1350°C [1]
Hardness 110-150 HB [7]
State Of Matter At Room Temperature (Normal Phase) Solid [9]
Resistivity 54.7X10-8 Ohm-M [2]
Thermal Conductivity 21.8 W/(M K) [1]
Specific Heat Capacity 427 J/(Kg*K) [2]
Tensile Strength (Annealed) 550 MPa [2]
Modulus Of Elasticity 179 GPa [2]
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