Alloy 400 Seamless Tube Documentation
Alloy 400 Seamless Tube
UNS N04400 Capillary Tube
EN 2.4360 Annealed Tubing

Alloy 400 Seamless Tube Sizes
EN 2.4360 Welded Tube Sizes
Nickel Alloy 400 Coil Tube Sizes
UNS N04400 Capillary Tube Sizes
Monel 400 Tube Method
UNS 4400 Precision Tubes Physical Properties
International Standards
EN 2.4360 Tubing Origin
Monel 400 Tubing Manufacturing Process
Phyweld 400 Coil Tube Finish
EN 2.4360 Tubing Form
Monel 400 Tube End
Alloy 400 Seamless Tube Services
EN 2.4360 Welded Tube Packaging
Monel 400 Tube Marking
UNS 4400 Precision Tubes Application

Siddhagiri Metals and Tubes supplies a comprehensive range of Monel 400 Seamless Tubes, catering for demands of a wide range of industries. Our ASTM B165 Monel Seamless Tubes are available in random and cut lengths. Monel Alloy Tubes have varied applications in high-temperature, seawater and acidic environments.
Siddhagiri Metals and Tubes has exported Monel 400 Seamless Tubing to many countries including Thailand, Indonesia, UAE, Japan, South Africa, Iraq, Iran, Saudi Arabia, Australia, Europe, Qatar, Malaysia, Congo, Brazil, Chile, USA, Canada, Japan, etc.
Monel 400 Seamles Tubes Surface Finish
| Surface Finish | Exterbal Surface(OD) | Internal Surface(ID) | |||
|---|---|---|---|---|---|
| Roughness Average(RA) | Roughness Average(RA) | ||||
| μ inch | μm | μ inch | μm | ||
| MP | Mechanical Polish | 32 | 0.8 | 40,32,25,20 | 1.0,0.8,0.6,0.5 |
| EP | Electro Polish | 32 | 0.8 | 15,10,7,5 | 0.38,0.25,0.20;0.13 |
| BA | Beight Annealed | 32 | 0.8 | 40,32,25,20 | 1.0,0.8,0.6,0.5 |
| AP | Annealed & Pickled | 40 or Not defined | 1.0 or Not defined | Not defined | Not defined |
Sales Agents in Following Continents
| Continents | Country |
|---|---|
| Africa | Nigeria, Egypt, South Africa, Kenya, Ghana, Ethiopia |
| Europe | Germany, France, UK, Italy, Spain, Poland, Ukraine |
| Australia | New Zealand, Papua New Guinea, Fiji, Samoa |
| North America | United States, Canada, Mexico, Cuba |
| South America | Brazil, Argentina, Colombia, Chile, Peru |
| Asia | India, Japan, South Korea, Indonesia, Saudi Arabia, Iran |
| Antarctica | - |
Trusted Monel 400 Tube Supplier delivering precision-engineered products with unmatched durability.
Alloy 400 Seamless Tube Sizes in Stock
| Size | Thickness | Type |
|---|---|---|
| 1/8" OD TO 2"OD 3MM OD TO 38 MM OD | 1MM TO 3 MM 0.028 TO 0.156 IN | Seamless Tube, ERW Tube, Welded Tube, Fabricated Tube, LSAW Tubes |
HS Code of Nickel Alloy 400 Tubes
| Product Description | HS Code |
|---|---|
| Monel 400 Seamless Tubes | 75022020 |
Monel UNS N04400 Tube Tolerances
| Wall Thickness Inches | OD 0.0 +/- Inches | OD 0.0 +/- Inches |
|---|---|---|
| 0.0025 - 0.0049 | 1-1/2" - 2" incl0.0 | 0.0010 |
| Over 0.0049 - 0.0083 | 0.0011 | |
| Over 0.0083 - 0.0148 | 0.0012 | |
| 0.0025 - 0.0065 | 1/2" - 1" incl0.0 | 0.0005 |
| Over 0.0065 - 0.0134 | 0.0010 | |
| 0.0025 - 0.0065 | 1 - 1-1/2" incl0.0 | 0.0008 |
| Over 0.0065 - 0.0134 | 0.0010 | |
| 0.0032 - 0.0065 | 2" - 2-1/2" incl0.0 | 0.0012 |
| Over 0.0065 - 0.0109 | 0.0013 | |
| Over 0.0109 - 0.0165 | 0.0014 | |
| 0.0032 - 0.0165 | 2-1/2" - 3-1/2" incl0.0 | 0.0014 |
| Over 0.0165 - 0.0220 | 0.0020 | |
| 0.0083 - 0.0165 | 3-1/2" - 5" incl0.0 | 0.0020 |
| Over 0.0165 - 0.0220 | 0.0025 |
Global Monel 400 Tube Supplier delivering cutting-edge solutions with enhanced protective properties.
Monel 400 Seamless Tubes Applications
Siddhagiri Metals, a leading Monel 400 Tube Manufacturer in India, supplies high-quality tubing solutions for critical applications.
Nickel 400 Boiler Tube Standards
| Specifications: | ASTM B165, ASTM B829, ASTM B775, ASTM B725, ASTM B163, ASTM B730, ASTM B751,ams 4574 |
|---|---|
| UNS: | N04400 |
| International Specifications: | din 17752, VdTUV 2635 |
A reliable Monel 400 Tube Supplier in India ensures that all tubes undergo testing and inspection.
Testing & Inspection of Monel 400 Seamless Tubes
| Testings | |
|---|---|
| Macro Test | Dye Penetrant Test (DP Test) |
| Pitting Resistance Test | Eddy Current Testing |
| Flaring Test | Bend Test |
| Positive Material Identification – PMI Testing | Hydrostatic Test |
| Chemical Analysis – Spectro Analysis | Hydrogen-Induced Cracking (HIC) Test |
| Hardness Test | Ultra Sonic Test (UT) |
| Mechanical Testing | Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177 |
| Micro Test | Radiography Test |
| Intergranular Corrosion (IGC) Test | Impact Test |
| Flattening Test | - |
Weight Chart of UNS N04400 Tube
| NPS | OD | WT | Sched | Weight | Weight | ||
|---|---|---|---|---|---|---|---|
| in | mm | in | mm | Lb/ft | kg/Mtr | ||
| 1/2″ | 0.840 | 21 | 0.109 | 2.769 | 40 STD | 0.851 | 1.268 |
| - | - | - | 0.147 | 3.734 | 80 STD | 1.088 | 1.621 |
| 3/4″ | 1.050 | 27 | 0.113 | 2.870 | 40 STD | 1.131 | 1.684 |
| - | - | - | 0.154 | 3.912 | 80 STD | 1.474 | 2.195 |
| 1″ | 1.315 | 33 | 0.133 | 3.378 | 40 STD | 1.679 | 2.501 |
| - | - | - | 0.179 | 4.547 | 80 STD | 2.172 | 3.325 |
| 1 1/4″ | 1.660 | 42 | 0.140 | 3.556 | 40 STD | 2.273 | 3.385 |
| - | - | - | 0.191 | 4.851 | 80 STD | 2.997 | 4.464 |
| 1 1/2″ | 1.900 | 48 | 0.145 | 3.683 | 40 STD | 2.718 | 4.048 |
| - | - | - | 0.200 | 5.080 | 80 STD | 3.361 | 5.409 |
| 2″ | 2.375 | 60 | 0.154 | 3.912 | 40 STD | 3.653 | 5.441 |
| - | - | - | 0.218 | 5.537 | 80 STD | 5.022 | 7.480 |
| 2 1/2″ | 2.875 | 73 | 0.203 | 5.516 | 40 STD | 5.793 | 8.629 |
| - | - | - | 0.276 | 7.010 | 80 STD | 7.661 | 11.411 |
| 3″ | 3.500 | 89 | 0.216 | 5.486 | 40 STD | 7.576 | 11.284 |
| - | - | - | 0.300 | 7.620 | 80 STD | 10.253 | 15.272 |
| 4″ | 4.500 | 114 | 0.237 | 6.020 | - | 10.790 | 16.073 |
| - | - | - | 0.337 | 8.560 | - | 14.983 | 22.318 |
| 6″ | 6.625 | 168 | 0.188 | 4.775 | - | 12.924 | 19.252 |
| - | - | - | 0.203 | 5.516 | - | 13.923 | 20.739 |
Certified Monel 400 Tube Stockist of high-integrity products with proven resistance to fatigue.
What are the machining challenges associated with Monel 400 tubes?
Forms of Monel 400 Tubes in Stock
UNS N04400 Rectangular Tube
Nickel Alloy 400 Round Tube
Nickel 400 Square Tube
Monel 400 ERW Tube
Alloy 400 Seamless Tube
DIN 2.4360 Welded Tube
Phyweld 400 Boiler Tube
Monel® 400 Heat Exchanger Tube
2.4360 Monel Superheater Tube
UNS 4400 Coil Tubing
Nickel Alloy 400 Capillary Tube
Monel 2.4360 Condenser Tube
Monel 400 Tubing Pressure Rating
| Tube Size O.D.(in.) | Alloy 400 Tubing Wall Thickness (inches) | |||||||
|---|---|---|---|---|---|---|---|---|
| .028 | .035 | .049 | .065 | .083 | .095 | .109 | .120 | |
| Tube Working Pressure (psig) | ||||||||
| 1/2 | - | 2300 | 3200 | 4400 | - | - | - | - |
| 1/8 | 7900 | 10100 | - | - | - | - | - | - |
| 1/4 | 3700 | 4800 | 7000 | 9500 | - | - | - | - |
| 3/8 | - | 3100 | 4400 | 6100 | - | - | - | - |
| 3/4 | - | - | 2200 | 3000 | 4000 | 4600 | - | - |
| 1 | - | - | - | 2200 | 2900 | 3400 | 3900 | 4300 |
| 5/16 | - | 3700 | 5400 | 7300 | - | - | - | - |
Leading Monel 400 Tube Stockist offering precision and durability in every product delivered.
Size Chart of Monel 400 Welded Tube
| Sizes ( O.D.) | Wall Thickness |
|---|---|
|
.010 |
|
.020 |
|
.012 |
|
.016 |
|
.028 |
|
.035 |
|
.049 |
|
.065 |
|
.083 |
|
.095 |
|
.109 |
|
.120 |
|
.125 |
|
.134 |
|
.250 |
|
.375 |
Welding Consumables of UNS 4400 Coil Tubing
| Welding Electrodes |
|
|---|---|
| Fillers |
|
How does cold drawing affect the strength and corrosion resistance of Monel 400 tubes?
| Property | Effect of Cold Drawing |
|---|---|
| Yield Strength | Significantly increases due to work hardening |
| Tensile Strength | Increases |
| Hardness | Increases |
| Ductility | Decreases |
| Corrosion Resistance | Generally retained |
| Surface Finish | Can be improved if drawing is well-controlled |
Monel 400 Tube Manufacturing Process
| GRADE | UNS | JIS | WERKSTOFF NR. / DIN | GOST | AFNOR | BS | EN |
|---|---|---|---|---|---|---|---|
| Monel 400 | N04400 | NW 4400 | 2.4360 | МНЖМц 28-2,5-1,5 | NU-30M | NA 13 | NiCu30Fe |
Monel 400 Tube Chemical Composition
C
Carbon
0.300
Ni
Nickel
63.000
Mn
Manganese
2.000
Fe
Iron
2.500
S
Sulfur
0.024
Cr
Chromium
34.000
Phyweld 400 U Bend Tube Physical Properties
| Density | 8.8 | g/cm³ |
|---|---|---|
| 0.318 | lb/in³ | |
| Melting Range | 2370-2460 | °F |
| 1300-1350 | °C | |
| Modulus of Elasticity | 103 | ksi |
| Curie Temperature | 70-120 | °F |
| 21-49 | °C | |
| Torsion | 9.5 | - |
| Poisson's Ratio | 0.32 | - |
| Tension | 26 | - |
Mechanical Properties of UNS 4400 Boiler Tube
| - | Yield Strength 0.2% Proof(MPa) | Tensile strength (MPa) | Elongation(% in 50mm) | Hardness(HV) |
|---|---|---|---|---|
| MIN | 195 | 480 | 35.00 | |
| MAX | 131 |
Alloy 400 Tube Thermal Properties
| Property | 21.1°C | -70°C | 93.3°C | -130°C | -180°C | 204.4°C | 315.6 | 371.1°C | 426.7°C | 537.8°C | 648.9°C | 982°C |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coefficient of Thermal Expansion /µm/m°C | - | 12.1 | 14.2 | 11.4 | 11.1 | 15.2 | 15.7 | 16.1 | - | 16.3 | 16.6 | 18.1 |
| Thermal Conductivity /kcal/(hr.m.°C) | 18.92 | 17.03 | 20.64 | 15.65 | 14.19 | 23.13 | 25.89 | 28.72 | - | 31.39 | 33.88 | - |
Weekly Delivery of Monel 400 Tube in below countries:
| Export to | Continent | Shipping time |
|---|---|---|
![]() Morocco |
Africa | 45 Days |
![]() Peru |
South America | 45 Days |
![]() Algeria |
Africa | 45 Days |
![]() Bahrain |
Asia | 9 Days |
Monthly Delivery of Monel 400 Tube in below countries:
| Export to | Continent | Shipping time |
|---|---|---|
![]() Nigeria |
Africa | 30 Days |
![]() Argentina |
South America | 45 Days |
![]() Colombia |
South America | 45 Days |
![]() Morocco |
Africa | 45 Days |
Additional service : Small quantity | Custom order | hard to find items | Sourcing from other countries
Why Siddhagiri Metals & Tubes ?
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