Nickel Alloy 42 tube

Invar 42 Tube
Invar 42 Tube
Invar 42 Seamless Tube
Invar 42 Seamless Tube
Invar 42 Tubing
Invar 42 Tubing

Invar 42 Tube Specification

Invar Alloy 42 Tubes Size 15 NB to 150 NB IN
UNS K94200 Tubing Wall Thickness .035" -.095', (special wall thicknesses available)
Specialized in Large Diameter Size
ASTM F30 Alloy 52 Tubing Type Seamless / ERW / Welded / Fabricated / Hollow
MIL I-23011 Class 2 Tubes Schedule SCH5, SCH10, SCH40, STD, SCH80, SCH160
DIN 2.4478 Tubes Condition Hot-Finished, Annealed, Cold-Drawn, Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Nilo Alloy 42 Tubes Form Hydraulic, Condenser, Square, Straight, Capillary, U-Tube, Boiler, Round, Coiled, Rectangular, Heat-Exchanger
Nickel Alloy 42 Tubes Length Single Random, Double Random & Cut Length.
End Plain End, Beveled End, Treaded.
Marking All Alloy 42 Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Material Test Certificates (MTC) Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
Invar 42 Tube manufacturers
  • Sumitomo Metals, Japan
  • Nippon Steel Corporation, Japan
  • Kobe Special Tube, Japan
  • Sanyo Special Steel, Japan
  • Tubacex Tubos Inoxidables S.A., Spain
  • Schoeller Bleckmann, Austria
  • Seah Steel Corporation, Korea
We can also cut, thread, and groove UNS K94200 Tubes to meet your specifications.

Invar Alloy 42 Seamless Tube

Outside diameter Wall thickness Length
5.0 ~ 203.2mm As per requirement Upto 6 Meters

UNS K94200 Welded Tube

Outside diameter Wall thickness Length
5.0 ~ 1219.2mm 1.0 ~ 15.0 mm Upto 6 Meters

Value Added services:

Invar 42 Tube services

ASTM F30 Alloy 52 Tube Types

Invar 42 Gas Tube Ar 15 supplier
Invar 42 Gas Tube Ar 15
Invar Alloy 42 Bourdon Tube Stockist
Invar Alloy 42 Bourdon Tube
UNS K94200 Capillary Tube
UNS K94200 Capillary Tube
ASTM F30 Alloy 52 Furnace Tube
ASTM F30 Alloy 52 Furnace Tube
MIL I-23011 Class 2 Gas Tube
MIL I-23011 Class 2 Gas Tube
DIN 2.4478 Heat Exchanger Tubes
DIN 2.4478 Heat Exchanger Tubes
Nilo Alloy 42 Mortar Tube
Nilo Alloy 42 Mortar Tube
Nickel Alloy 42 Radiant Tube
Nickel Alloy 42 Radiant Tube
Alloy 42 Square Tube
Alloy 42 Square Tube

MIL I-23011 Class 2 Tube Nominal Tube Wall Thickness & Dimensions

Invar Alloy 42 Tubes
(O.D.)
UNS K94200 Tube Gauge
BWG 00 BWG 0 BWG 1 BWG 2 BWG 3 BWG 4 BWG 5 BWG 6 BWG 7 BWG 8 BWG 9 BWG 10 BWG 11 BWG 12 BWG 13 BWG 14 BWG 15 BWG 16 BWG 17 BWG 18 BWG 19 BWG 20 BWG 21 BWG 22 BWG 23 BWG 24
Invar 42 Tubing Wall Thickness (Inches)
0.380 0.340 0.300 0.284 0.259 0.238 0.220 0.203 0.180 0.165 0.148 0.134 0.120 0.109 0.095 0.083 0.072 0.065 0.058 0.049 0.042 0.035 0.032 0.028 0.025 0.022
ASTM F30 Alloy 52 Tubes Inside Dia
1/4"  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A 0.010 0.032 0.060 0.084 0.106 0.120 0.134 0.152 0.166 0.180 0.186 0.194 0.200 0.206
3/8"  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A 0.015 0.045 0.079 0.107 0.135 0.157 0.185 0.209 0.231 0.245 0.259 0.277 0.291 0.305 0.311 0.319 0.325 0.331
1/2"  N/A  N/A  N/A  N/A  N/A 0.024 0.060 0.094 0.140 0.170 0.204 0.232 0.260 0.282 0.310 0.334 0.356 0.370 0.384 0.402 0.416 0.430 0.436 0.444 0.450 0.456
5/8"  N/A  N/A 0.025 0.057 0.107 0.149 0.185 0.219 0.265 0.295 0.329 0.357 0.385 0.407 0.435 0.459 0.481 0.495 0.509 0.527 0.541 0.555 0.561 0.569 0.575 0.581
3/4"  N/A 0.070 0.150 0.182 0.232 0.274 0.310 0.344 0.390 0.420 0.454 0.482 0.510 0.532 0.560 0.584 0.606 0.620 0.634 0.652 0.666 0.680 0.686 0.694 0.700 0.706
7/8" 0.115 0.195 0.275 0.307 0.357 0.399 0.435 0.469 0.515 0.545 0.579 0.607 0.635 0.657 0.685 0.709 0.731 0.745 0.759 0.777 0.791 0.805 0.811 0.819 0.825 0.831
1" 0.240 0.320 0.400 0.432 0.482 0.524 0.560 0.594 0.640 0.670 0.704 0.732 0.760 0.782 0.810 0.834 0.856 0.870 0.884 0.902 0.916 0.930 0.936 0.944 0.950 0.956
1 1/8" 0.365 0.445 0.525 0.557 0.607 0.649 0.685 0.719 0.765 0.795 0.829 0.857 0.885 0.907 0.935 0.959 0.981 0.995 1.009 1.027 1.041 1.055 1.061 1.069 1.075 1.081
1 1/4" 0.490 0.570 0.650 0.682 0.732 0.774 0.810 0.844 0.890 0.920 0.954 0.982 1.010 1.032 1.060 1.084 1.106 1.120 1.134 1.152 1.166 1.180 1.186 1.194 1.200 1.206
1 1/2" 0.740 0.820 0.900 0.932 0.982 1.024 1.060 1.094 1.140 1.170 1.204 1.232 1.260 1.282 1.310 1.334 1.356 1.370 1.384 1.402 1.416 1.430 1.436 1.444 1.450 1.456
1 3/4" 0.990 1.070 1.150 1.182 1.232 1.274 1.310 1.344 1.390 1.420 1.454 1.482 1.510 1.532 1.560 1.584 1.606 1.620 1.634 1.652 1.666 1.680 1.686 1.694 1.700 1.706
2" 1.240 1.320 1.400 1.432 1.482 1.524 1.560 1.594 1.640 1.670 1.704 1.732 1.760 1.782 1.810 1.834 1.856 1.870 1.884 1.902 1.916 1.930 1.936 1.944 1.950 1.956
2 1/4" 1.490 1.570 1.650 1.682 1.732 1.774 1.810 1.844 1.890 1.920 1.954 1.982 2.010 2.032 2.060 2.084 2.106 2.120 2.134 2.152 2.166 2.180 2.186 2.194 2.200 2.206
2 1/2" 1.740 1.820 1.900 1.932 1.982 2.024 2.060 2.094 2.140 2.170 2.204 2.232 2.260 2.282 2.310 2.334 2.356 2.370 2.384 2.402 2.416 2.430 2.436 2.444 2.450 2.456
2 3/4" 1.990 2.070 2.150 2.182 2.232 2.274 2.310 2.344 2.390 2.420 2.454 2.482 2.510 2.532 2.560 2.584 2.606 2.620 2.634 2.652 2.666 2.680 2.686 2.694 2.700 2.706
3" 2.240 2.320 2.400 2.432 2.482 2.524 2.560 2.594 2.640 2.670 2.704 2.732 2.760 2.782 2.810 2.834 2.856 2.870 2.884 2.902 2.916 2.930 2.936 2.944 2.950 2.956
3 1/4" 2.490 2.570 2.650 2.682 2.732 2.774 2.810 2.844 2.890 2.920 2.954 2.982 3.010 3.032 3.060 3.084 3.106 3.120 3.134 3.152 3.166 3.180 3.186 3.194 3.200 3.206
3 1/2" 2.740 2.820 2.900 2.932 2.982 3.024 3.060 3.094 3.140 3.170 3.204 3.232 3.260 3.282 3.310 3.334 3.356 3.370 3.384 3.402 3.416 3.430 3.436 3.444 3.450 3.456
3 3/4" 2.990 3.070 3.150 3.182 3.232 3.274 3.310 3.344 3.390 3.420 3.454 3.482 3.510 3.532 3.560 3.584 3.606 3.620 3.634 3.652 3.666 3.680 3.686 3.694 3.700 3.706
4" 3.240 3.320 3.400 3.432 3.482 3.524 3.560 3.594 3.640 3.670 3.704 3.732 3.760 3.782 3.810 3.834 3.856 3.870 3.884 3.902 3.916 3.930 3.936 3.944 3.950 3.956
4 1/4" 3.490 3.570 3.650 3.682 3.732 3.774 3.810 3.844 3.890 3.920 3.954 3.982 4.010 4.032 4.060 4.084 4.106 4.120 4.134 4.152 4.166 4.180 4.186 4.194 4.200 4.206
4 1/2" 3.740 3.820 3.900 3.932 3.982 4.024 4.060 4.094 4.140 4.170 4.204 4.232 4.260 4.282 4.310 4.334 4.356 4.370 4.384 4.402 4.416 4.430 4.436 4.444 4.450 4.456
4 3/4" 3.990 4.070 4.150 4.182 4.232 4.274 4.310 4.344 4.390 4.420 4.454 4.482 4.510 4.532 4.560 4.584 4.606 4.620 4.634 4.652 4.666 4.680 4.686 4.694 4.700 4.706
5" 4.240 4.320 4.400 4.432 4.482 4.524 4.560 4.594 4.640 4.670 4.704 4.732 4.760 4.782 4.810 4.834 4.856 4.870 4.884 4.902 4.916 4.930 4.936 4.944 4.950 4.956
5 1/4" 4.490 4.570 4.650 4.682 4.732 4.774 4.810 4.844 4.890 4.920 4.954 4.982 5.010 5.032 5.060 5.084 5.106 5.120 5.134 5.152 5.166 5.180 5.186 5.194 5.200 5.206

DIN 2.4478 Hydraulic Tube Burst Pressure

(Barlow’s Formula)

P = (2ST÷D) (45,000 PSI Min Tensile Stress)
P = Burst Pressure
S = 45,000 lbs. PSI Tensile Strength
T = Nominal Wall Thickness
D = OD/ Outside Diameter

1/4" x 0.035 - 12,600 5/8" x 0.083 - 11,950 1-1/8" x 0.065 - 5,200
1/4 x 0.049 - 17,640 3/4 x 0.035 - 4,200 1-1/8" x 0.083 - 6,640
5/16" x 0.035 - 10,080 3/4" x 0.049 - 5,880 1-1/8 x 0.95 - 7,600
5/16 x 0.049 - 14,110 3/4 x 0.065 - 7,800 1-1/8 x 0.109 - 8,720
3/8" x 0.035 - 8,400 3/4" x 0.083 - 9,960 1-1/4" x 0.065 - 4,680
3/8 x 0.049 - 11,760 3/4 x 0.095 - 11,400 1-1/4 x 0.083 - 5,975
3/8" x 0.065 - 15,600 3/4" x 0.109 - 13,080 1-1/4 x 0.095 - 6,840
7/16 x 0.035 - 7,200 7/8 x 0.049 - 5,040 1-1/4" x 0.109 - 7,848
7/16" x 0.049 - 10,080 7/8" x 0.065 - 6,685 1-1/4 x 0.120 - 8,640
7/16 x 0.065 - 13,370 7/8 x 0.083 - 8,535 1-1/2" x 0.083 - 4,980
1/2" x 0.035 -  6,300 7/8" x 0.095 - 9,770 1-1/2 x 0.095 - 5,700
1/2 x 0.049 -  8,820 1" x 0.049 - 4,410 1-1/2" x 0.109 - 6,540
1/2" x 0.065 - 11,700 1" x 0.065 - 5,850 1-1/2 x 0.120 - 7,200
5/8 x 0.035 -  5,040 1" x 0.083 - 7,470 2" x 0.134 - 6,030
5/8" x 0.049 -  7,055 1" x 0.095 - 8,550 2" x 0.188 - 8,460
5/8 x 0.065 -  9,360

Note: To compute safe working pressures, above Burst Pressures should be divided by your desired safety factor.

Nilo Alloy 42 Tubing Chemical Composition

Grade C Mn P S Si Ni Cr Fe
Invar 42 .50 max .40 max - .20 max - 41.0 .- Bal

Alloy 42 Tube Equivalent Grades

Iron-Nickel Alloys / Nickel-Iron Alloys Invar 42 Tube, Pipe & Tubing Equivalent Grades

Alloy DN-Trade Name WERKSTOFF NR. UNS-No. ASTM Specification DIN Specification
Ni 42 Dilaton 41 K94100 ASTM F30
Ni 42 Dilaton 42 1.3917 DIN 17745 / SEW 385

Invar 2.4478 Seamless Tube Price in India

Invar 42 Tubing Price in India PACK QTY PRICE
3.0 dia x 0.50 wall x2000 1
£180.00
3.0 dia x 0.50 wall x2000 3
£452.00
1/4"(13.72) NBxSch10/10s(1.65) wall x1000 1
£101.00