Stainless Steel Boiler Tubes

Stainless steel boiler tubes play a role in processes involving heat exchange, such as those found in boiler superheaters, heat exchangers, condensers and similar systems. These tubular products are made from quality steel known for its exceptional durability and excellent resistance to corrosion. This ensures that they can withstand operating conditions and remain dependable over time.


One of the characteristics of stainless steel boiler tubes is their thermal conductivity and ability to resist high temperatures. These properties make them well suited for applications that involve the conduction of steam and hot water in high pressure environments. Their exceptional heat resistance safeguards the tubes from deformities or damages under temperature conditions, resulting in lower maintenance costs.


In addition to its heat resistance properties stainless steel also boasts corrosion resistance. This resilience is attributed to the formation of a stable chromium oxide film on the surface of stainless steel, which effectively protects the underlying material. Consequently these boiler tubes can withstand fluids, gases and high humidity without compromising their integrity. This feature proves invaluable in industries, like power plants, petrochemicals and marine environments where tubes often encounter corrosive conditions.Stainless steel boiler tubes have an appearance that remains intact after prolonged use, ensuring that industrial machinery and equipment maintain a high quality look.


One important characteristic of these tubes is their strength despite having walls. They can withstand the pressures commonly encountered in boilers and heat exchangers thanks to their tensile strength. Additionally stainless steel retains its strength, at temperatures making it particularly suitable for these applications.


Stainless steel boiler tubes play a role in heat transfer equipment. Their ability to resist temperatures, exceptional strength, excellent corrosion resistance, and durability contribute to operations in various demanding industrial environments. Furthermore, their long lifespan helps in savings in terms of maintenance and replacement costs, which is why they are preferred across multiple industries.

Specification

Standards -
Types Welded, Seamless, ERW, Fabricated, CEW, CDW, CDS, DOM
Size range 1/2" OD - 12" OD
Production technique Decoiling, Punching, Bending, Welding,  Cutting, Moulding
Standards ASTM, AISI, JIS, DIN, EN, SUS, GB
Form Round, Hydraulic,  Coiled,  Square,  U Shape,  Rectangular,  Straight,  Honed Tubes,  Pan Cake Coils
Thickness Range SCH 10, SCH 160, SCH XXH, SCH XXS, SCH 5, SCH 40, SCH XS, SCH 80S, SCH 80
Custom Size/Thickness Available
End Treaded, Beveled End, Plain End
Surface Finish 8K,  1D,  No.3,  180G,  BA,  No.4,  500G,  No.1,  Mirror Polished,  320G,  HL,  No.8, 400G,  2B,  600G or 800G Mirror finish Tubing,  2D,  400G Satin/ Hairline or Custom Finish as per customer's specification.
Marking Standard
Name of Manufacturer
Schedule
Pressure Class
Tube Size, etc
Test Certificates
Third Party Inspection Report
Manufacturer Test Certificate
Raw Materials Certificate
100% Radiography Test Report
Laboratory Test Certificate from Govt. Approved Lab
EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)

Available Tubes in Our Warehouse

Thin Wall Tubing

Thin Wall Tubing

Seamless Tube

Seamless Tube

Erw Tube

Erw Tube

Bright Annealed Tube

Bright Annealed Tube

Coil Tubing

Coil Tubing

Condenser Tube

Condenser Tube

Welded Tube

Welded Tube

Heat Exchanger Tube

Heat Exchanger Tube

Small Diameter Tubing

Small Diameter Tubing

Equivalent Grades

StandardUnified Numbering SystemWerkstoff Nr.European StandardsJapanese Industrial StandardsGOSTBritish StandardsAFNOR
304S304001.4301X5CrNi18-10SUS 30408Х18Н10304S31Z7CN18‐09
304LS304031.4306 / 1.4307X2CrNi18-9 / X2CrNi19-11SUS 304L03Х18Н113304S11Z3CN18‐10
304HS304091.4301
310S310001.4841X15CrNi25-20SUS 31020Ch25N20S2310S24
310SS310081.4845X8CrNi25-21SUS 310S20Ch23N18310S16
310HS31009
316S316001.4401 / 1.4436X5CrNiMo17-12-2 / X3CrNiMo17-13-3SUS 316316S31 / 316S33Z7CND17‐11‐02
316LS316031.4404 / 1.4435X2CrNiMo17-12-2 / X2CrNiMo18-14-3SUS 316L03Ch17N14M3 / 03Ch17N14M2316S11 / 316S13Z3CND17‐11‐02 / Z3CND18‐14‐03
316HS316091.4401
316TiS316351.4571X6CrNiMoTi17-12-2SUS 316Ti08Ch17N13M2T320S31Z6CNDT17‐123
317S317001.4449SUS 317
317LS317031.4438X2CrNiMo18-15-4SUS 317L
321S321001.4541X6CrNiTi18-10SUS 321
321HS321091.4878X12CrNiTi18-9SUS 321H
347S347001.4550X6CrNiNb18-10SUS 34708Ch18N12B
347HS347091.4961X6CrNiNb18-12SUS 347H
904LN089041.4539X1NiCrMoCu25-20-5SUS 904LSTS 317J5L904S13Z2 NCDU 25-20

Chemical Composition

GradeSiliconManganeseMolybdenumCarbonPhosphorusSulfurNickelNitrogenChromiumTitaniumIron
304min.8.018.0
max.0.752.00.080.0450.03010.50.1020.0
316TI2.010.00 14.000.750.080.0450.0302.00 3.0016.00 18.00
304Lmin.8.018.0
max.0.752.00.0300.0450.03012.00.1020.0
316Lmin.2.03.010.016.0  
max.0.752.00.0350.0450.03014.018.0 
304Hmin.0.048.018.0
max.0.752.00.0100.0450.03010.520.0
310S1.0020.750.080.0450.03019.00 21.0053.09524.00 26.00
310H1.0020.04 0.100.0450.03019.00 21.0053.88524.00 26.00
3211.02.00.080.0450.0309.00 12.000.1017.00 19.005(C+N) 0.70
3100.01520.100.0150.0200.01519.00 21.0054.724.00 26.00
316min.2.03.010.016.0 
max.0.752.00.0350.0450.03014.018.0 
317123.00 4.000.080.0450.03018.00 20.0057.845
317L1.02.03.00 4.000.0350.0450.03011.00 15.0018.00 20.0057.89
321H1.02.00.04 0.100.0450.0309.00 12.000.1017.00 19.004(C+N) 0.70
410min.11.5
max.1.001.00.150.0400.0300.7513.5
347/ 347H1.02.00.080.0450.0309.0013.0017.00 20.00
446min.0.1023.0
max.0.751.50.20.0400.0300.500.2530.0
904Lmin.4.0023.000.1019.0
max.1.002.005.000.200.0450.03528.000.2523.0

Mechanical Properties

GradeMelting Point °CDensity g/cm3Yield StrengthTensile StrengthElongation
304H14008.0Psi 30000
MPa 205
Psi 75000
MPa 515
40
32114578.0Psi 30000
MPa 205
Psi 75000
MPa 515
35
304/ 304L14008.0Psi 30000
MPa 205
Psi 75000
MPa 515
35
904L13507.95Psi 32000
MPa 220
Psi 71000
MPa 490
35
310 / 310S / 310H14027.9Psi 30000
MPa 205
Psi 75000
MPa 515
40
34714548.0Psi 30000
MPa 205
Psi 75000
MPa 515
35
316L13998.0Psi 30000
MPa 205
Psi 75000
MPa 515
35
306/ 316H14008.0Psi 30000
MPa 205
Psi 75000
MPa 515
35
31714007.9Psi 30000
MPa 205
Psi 75000
MPa 515
35

Stainless Steel Boiler Tubing Weight

Nominal Pipe SizesOutside DiameterWall ThicknessWeightWeight
ScheduleInchMMInchMMLbs/feetkg/Meter
1/240 STD0.840210.1092.7690.8511.268
80 STD0.1473.7341.0881.621
3/440 STD1.050270.1132.8701.1311.684
80 STD0.1543.9121.4742.195
140 STD1.315330.1333.3781.6792.501
80 STD0.1794.5472.1723.325
1 1/440 STD1.660420.1403.5562.2733.385
80 STD0.1914.8512.9974.464
1 1/240 STD1.900480.1453.6832.7184.048
80 STD0.2005.0803.3615.409
240 STD2.375600.1543.9123.6535.441
80 STD0.2185.5375.0227.480
2 1/240 STD2.875730.2035.5165.7938.629
80 STD0.2767.0107.66111.411
44.5001140.2376.02010.79016.073
0.3378.56014.98322.318
1010.7502730.1884.77521.20731.588
0.2195.56324.63136.689
200.2506.35028.03541.759
300.3077.79834.24051.002
0.3448.73838.23156.946
40 STD0.3659.27140.48363.301
0.43811.12548.23871.852
60 XHY0.50012.70054.73581.530
800.59415.08864.42995.969
66.6251680.1884.77512.92419.252
0.2035.51613.92320.739
0.2195.56314.98322.318
0.2506.35017.02125.354
40 STD0.2807.11218.97458.263
0.3127.92521.03631.334
0.3759.52525.03137.285
80 XHY0.43210.97328.57342.561
0.50012.70032.70848.719
88.6252190.1884.77516.94025.233
0.2035.15618.25927.198
0.2195.56319.66129.286
200.2506.35022.36133.308
300.2777.03624.69636.786
400.3228.17928.55442.352
0.3759.52533.04149.216
600.40610.31235.63853.085
80 XHY0.50012.70043.38864.627
2424.0006100.2506.35063.41394.456
0.2817.13771.183106.029
0.3127.92518.932117.573
20 STD0.3759.52564.618140.938
0.43811.125110.219164.176
XHY0.50012.700125.490186.923
0.62515.875156.028232.410
400.68817.475171.293255.148
0.75019.050186.233277.401
1212.7503240.1884.77525.22237.570
0.2195.56329.30943.657
0.2506.35033.37549.713
0.2817.13737.42055.739
0.3127.92541.44561.735
0.3759.52549.56273.824
0.40610.31253.52579.727
0.50012.70065.41597.438
0.56214.27573.154108.966
1414.0003560.1884.77527.73241.308
0.2195.56332.23348.012
200.2506.35036.71354.685
0.2817.13741.17261.327
0.3127.92545.61167.939
STD0.3759.52554.56881.281
400.43811.12563.44194.498
XHY0.50012.70072.090107.381
0.62515.87589.278132.983
340 STD3.500890.2165.4867.57611.284
80 STD0.3007.62010.25315.272
1616.0004060.1884.77521.74847.290
0.2195.56336.91054.980
100.2506.35042.05362.639
0.2817.13747.17470.268
200.3127.92552.27577.866
0.3448.73857.51985.677

30

STD

0.3759.52562.57893.213
0.43811.12572.797108.433

40

XHY

0.50012.70082.770123.289
1818.0004570.2195.56341.58861.948
0.2506.35047.39370.593
0.2817.13753.17679.208
200.3127.92558.93987.792
STD0.3759.52570.588105.144
300.43811.12582.152122.369
XHY0.50012.70093.450139.198
400.56214.275104.666155.904
0.62515.875115.978172.754
3030.0007620.2506.35079.433118.318
0.2817.13789.189132.851
100.3127.92598.925147.353
STD0.3759.525118.648176.731
0.43811.125138.286205.983
20 XHY0.50012.700157.530234.647
300.62515.875196.078292.066
0.68817.475215.380320.817
0.75019.050234.293348.988
3636.0009140.2506.35095.453142.180
0.2817.137107.196159.672
100.3127.925118.918177.133
STD0.3759.525142.678215.525
0.43811.125166.353247.790
20 XHY0.50012.700198.570282.372
0.62515.875236.128351.723

0.688

17.475259.467386.487

0.750

19.050282.353420.576
2020.0005080.2506.35052.73378.547
0.2827.16359.38688.458
0.3127.92565.60497.719
20 STD0.3759.52578.598117.075
0.43811.12591.508136.305
30 XHY0.50012.700104.130155.106
400.59415.088123.110183.378
0.62515.875129.328192.640
0.68817.475141.901211.368
4242.00010670.3127.925138.911206.914
STD0.3759.525166.708248.319
XHY0.50012.700221.61033.097
0.75019.050330.413492.163
48STD48.00012190.3759.525190.738284.112
0.43811.125222.487331.404
XHY0.50012.700253.650377.822
0.75019.050378.473563.750
0.87522.225440.383655.969

Dimension Chart

Nominal size in inchesOutside diameter in mmWall thickness in inchesOutside diameter in inchesWall thickness in mm
1/4 813.70.0880.542.24
3/8 1017.10.0910.682.31
24 6006100.6882417.48
1/2 1521.30.1090.842.77
6 150168.30.286.6257.11
3/4 2026.70.1131.052.87
1 2533.40.1331.323.38
14 350355.60.4371411.13
1 1/4 3242.20.141.663.56
16 400406.40.51612.7
1 1/2 4048.30.1451.93.68
2 5060.30.1542.3753.91
2 1/2 65730.2032.8755.16
3 8088.90.2163.55.49
1/8 610.30.0680.411.73
3 1/2 90101.60.22645.74
4 100114.30.2374.56.02
5 125141.30.2585.5636.55
8 200219.10.3228.6258.18
10 2502730.36510.759.27
12 300323.80.40612.7510.31
18 4504570.5621814.27
20 5005080.5942015.09
32 8008130.6883217.48

Application

Aerospace

Cleaning Factories

Food Processing

Food Processing

Oil and Gas

Oil and Gas

Pharmaceutical

Pharmaceutical

Power Plant

Power Plant

Ship Building

Ship Building

Water Systems

Water Systems

Refinery

Refinery