904L Stainless Steel Tube

SS 904L Tube
SS 904L Tube
SS 904L Seamless Tube
SS 904L Seamless Tube
SS 904L Tubing
SS 904L Tubing
Table of contents

Stainless Steel 904L Tube Specification

Specifications ASTM B677/ SB 677
ASTM B677 UNS N08904 Tubes Size 15 NB to 150 NB IN
1.4539 Alloy Tubing Wall Thickness .035" -.095', (special wall thicknesses available)
Specialized in Large Diameter Size
AISI 904L Tubing Type Seamless / ERW / Welded / Fabricated / Hollow
Alloy 904L Tubes Schedule SCH5, SCH10, SCH40, STD, SCH80, SCH160
UNS N08904 Tubes Condition Hot-Finished, Annealed, Cold-Drawn, Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
SS 904L Tubes Form Boiler, Heat-Exchanger, Straight, Round, U-Tube, Condenser, Rectangular, Hydraulic, Coiled, Capillary, Square
904L Stainless Steel Tubes Length Single Random, Double Random & Cut Length.
End Plain End, Beveled End, Treaded.
Marking All ASME SB 677 UNS N08904 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
Stainless Steel 904L 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 1.4539 Alloy Tubes to meet your specifications.

ASTM B677 UNS N08904 Seamless Tube

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

1.4539 Alloy Welded Tube

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

Value Added services:

Stainless Steel 904L Tube services

AISI 904L Tube Types

Stainless Steel 904L Gas Tube Ar 15 supplier
Stainless Steel 904L Gas Tube Ar 15
ASTM B677 UNS N08904 Bourdon Tube Stockist
ASTM B677 UNS N08904 Bourdon Tube
1.4539 Alloy Capillary Tube
1.4539 Alloy Capillary Tube
AISI 904L Furnace Tube
AISI 904L Furnace Tube
Alloy 904L Gas Tube
Alloy 904L Gas Tube
UNS N08904 Heat Exchanger Tubes
UNS N08904 Heat Exchanger Tubes
SS 904L Mortar Tube
SS 904L Mortar Tube
904L Stainless Steel Radiant Tube
904L Stainless Steel Radiant Tube
ASME SB 677 UNS N08904 Square Tube
ASME SB 677 UNS N08904 Square Tube

Alloy 904L Tube Nominal Tube Wall Thickness & Dimensions

ASTM B677 UNS N08904 Tubes
(O.D.)		 1.4539 Alloy 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
Stainless Steel 904L 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
AISI 904L 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

UNS N08904 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.

SS 904L Tubing Chemical Composition

Grade C Mn Si P S Cr MO Ni Cu
904L min. – – – – – 19.0 4.0-5.0 23.0 1.0
max. 0.20 2.0 1.0 0.045 0.035 23.0 28.0 2.0

904L Stainless Steel Tubes Mechanical Properties

Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
446 490 220 35 70-90 typical –

SS 904L Tube Physical Properties

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (m/m/0C) Thermal Conductivity (W/m.K) Specific Heat 0-1000C (J/kg.K) Electrical Resistivity (n.m)
0-1000C 0-3150C 0-5380C at 1000C at 5000C
904L 7500 200 15.00 – – 13 – 500 850

ASME SB 677 UNS N08904 Tube Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS BS KS AFNOR EN
SS 904L 1.4539 N08904 SUS 904L 904S13 STS 317J5L Z2 NCDU 25-20 X1NiCrMoCu25-20-5

WNR 1.4539 904L Seamless Tube Price in India

SS 904L Tubing Price in India PACK QTY PRICE
1/4"(13.72mm) NB x Sch10/10s(1.65mm) wall x1000mm 1
£101.00
1/4"(13.72mm) NB x Sch10/10s(1.65mm) wall x1000mm 3
£255.00
1/4"(13.72mm) NB x Sch10/10s(1.65mm) wall x1000mm 5
£380.00
1/4"(13.72mm) NB x Sch10/10s(1.65mm) wall x2000mm 1
£155.00
1/4"(13.72mm) NB x Sch10/10s(1.65mm) wall x2000mm 3
£385.00