
Table of Content
SS Boiler Tubes Sizes
Stainless Steel Boiler Pipe Standards
304 Seamless Boiler Tubing Manufacturing Process
Stainless Boiler Tube Technique
Benefits of SS Seamless Boiler Tubes
Stainless Steel Water Tube Boiler Documentation
Stainless Steel Boiler Vent Pipe Shape
Stainless Steel Boiler Fire Tube Origin
Stainless Steel Boiler Water Tube Services
Stainless Boiler Tube Packaging
SS Boiler Tubes Finish
Stainless Steel Superheater Tubes End
Stainless Steel Boiler Pipe Testing
304 Seamless Boiler Tubing Marking
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| Size Range | Price Per Unit (INR) | Price in USD |
|---|---|---|
| 54mm Od X 9.65mm Wt Mw X 10000mm (9bdles-76 Pcs) | 880 | US $11.87 |
| 63.5mm Od X 13.72 Mm Wt Mw X 5000mm (6bdles-100 Pcs) | 871 | US $11.75 |
| 88.90x3.20 mm (Cold Roll) | 166 | US $2.24 |
| 168.30x4.50 mm (Cold Roll) | 145 | US $1.96 |
| 42.40x2.60 mm (Cold Roll) | 119 | US $1.61 |
| Gauge | Thickness Range (INCHES) | Typical Value (INCHES) |
|---|---|---|
| 17 | 0.053 through 0.058 | 0.058 |
| 12 | 0.101 through 0.111 | 0.109 |
| 11 | 0.112 through 0.122 | 0.12 |
| 14 | 0.075 through 0.085 | 0.083 |
| 13 | 0.087 through 0.097 | 0.095 |
| 20 | 0.031 through 0.035 | 0.035 |
| 19 | 0.038 through 0.042 | 0.042 |
| 18 | 0.044 through 0.049 | 0.049 |
| 9 | 0.140 through 0.150 | 0.148 |
| 10 | 0.126 through 0.136 | 0.134 |
| 22 | 0.025 through 0.029 | 0.028 |
| 16 | 0.060 through 0.065 | 0.065 |
| 15 | 0.066 through 0.074 | 0.072 |
| 8 | 0.157 through 0.167 | 0.165 |
| 7 | 0.175 through 0.185 | 0.18 |
Genuine Stainless Steel Boiler Tube Manufacturer in India As Per Specification
| OD | BWG | WG | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 25 | 22 | 20 | 18 | 16 | 14 | 12 | 10 | ||
| WT mm | |||||||||
| 0.508 | 0.71 | 0.89 | 1.24 | 1.65 | 2.11 | 2.77 | 3.40 | ||
| inch | mm | kg/m | |||||||
| 1/2 | 12.7 | - | 0.214 | 0.263 | 0.356 | 0.457 | 0.612 | 0.754 | - |
| 5/8 | 15.88 | - | 0.271 | 0.334 | 0.455 | 0.588 | 0.796 | 0.995 | - |
| 2 1/2 | 63.5 | - | - | - | 1.949 | 2.554 | 3.244 | 4.214 | 5.13 |
| 3 | 76.2 | - | - | - | 2.345 | 3.084 | 3.914 | 5.094 | 6.19 |
| 1/4 | 6.35 | 0.081 | 0.109 | 0.133 | 0.174 | 0.212 | - | - | - |
| 3/8 | 9.53 | 0.126 | 0.157 | 0.193 | 0.257 | 0.356 | 0.429 | - | - |
| 1 | 25.4 | - | 0.44 | 0.546 | 0.75 | 0.981 | 1.234 | 1.574 | 2.05 |
| 3/4 | 19.05 | - | 0.327 | 0.405 | 0.553 | 0.729 | 0.895 | 1.236 | - |
| 3 1/2 | 88.9 | - | - | - | 2.729 | 3.609 | 4.584 | 5.974 | 7.27 |
| 4 | 101.6 | - | - | - | - | 4.134 | 5.254 | 6.854 | 8.35 |
| 1 1/4 | 31.75 | - | 0.554 | 0.688 | 0.947 | 1.244 | 1.574 | 2.014 | 2.641 |
| 4 1/2 | 114.3 | - | - | - | - | 4.654 | 5.924 | 7.734 | 9.43 |
| 1 1/2 | 38.1 | - | 0.667 | 0.832 | 1.144 | 1.514 | 1.904 | 2.454 | 3.233 |
| 1 3/4 | 44.5 | - | - | - | 1.342 | 1.774 | 2.244 | 2.894 | 3.5 |
| 2 | 50.8 | - | - | - | 1.549 | 2.034 | 2.574 | 3.334 | 4.03 |
| NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
|---|---|---|---|---|---|
| 1 1/2″ | √ | √ | √ | √ | √ |
| 2″ | √ | √ | √ | √ | √ |
| 3/8″ | √ | √ | √ | √ | - |
| 1/2″ | √ | √ | √ | √ | √ |
| 3/4″ | √ | √ | √ | √ | √ |
| 5″ | √ | √ | √ | √ | - |
| 2 1/2″ | √ | √ | √ | √ | √ |
| 3″ | √ | √ | √ | √ | √ |
| 4″ | √ | √ | √ | √ | √ |
| 1/8″ | √ | √ | √ | √ | - |
| 1/4″ | √ | √ | √ | √ | - |
| 1″ | √ | √ | √ | √ | √ |
| 1 1/4″ | √ | √ | √ | √ | √ |
| 6″ | √ | √ | √ | √ | - |
| Pipe Size in inches | OD in Inch | WT in Inch | Schedule | Temperature | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||||
| Allowable Stress | ||||||||||||
| 16700 | 16700 | 16700 | 15500 | 14400 | 13500 | 13200 | 12900 | 12600 | ||||
| 1 1/2" | 1.900 | 0.145 | 40 | 1629 | 1629 | 1629 | 1512 | 1404 | 1317 | 1287 | 1258 | 1229 |
| 1.900 | 0.200 | 80 | 2303 | 2303 | 2303 | 2138 | 1986 | 1862 | 1821 | 1779 | 1738 | |
| 1.900 | 0.281 | 160 | 3362 | 3362 | 3362 | 3120 | 2899 | 2717 | 2657 | 2597 | 2536 | |
| 2" | 2.375 | 0.154 | 40 | 1371 | 1371 | 1371 | 1272 | 1182 | 1108 | 1083 | 1059 | 1034 |
| 2.375 | 0.218 | 80 | 1985 | 1985 | 1985 | 1843 | 1712 | 1605 | 1569 | 1534 | 1498 | |
| 2.375 | 0.344 | 160 | 3283 | 3283 | 3283 | 3047 | 2831 | 2654 | 2595 | 2536 | 2477 | |
| 4" | 4.500 | 0.237 | 40 | 1102 | 1102 | 1102 | 1023 | 950 | 891 | 871 | 851 | 831 |
| 4.500 | 0.337 | 80 | 1596 | 1596 | 1596 | 1482 | 1377 | 1291 | 1262 | 1233 | 1204 | |
| 4.500 | 0.531 | 160 | 2611 | 2611 | 2611 | 2424 | 2552 | 2111 | 2064 | 2017 | 1970 | |
| 8" | 8.625 | 0.322 | 40 | 771 | 771 | 771 | 716 | 665 | 623 | 610 | 596 | 582 |
| 8.625 | 0.500 | 80 | 1218 | 1218 | 1218 | 1131 | 1050 | 985 | 963 | 941 | 919 | |
| 8.625 | 0.906 | 160 | 2298 | 2298 | 2298 | 2133 | 1982 | 1858 | 1817 | 1775 | 1734 | |
| 10" | 10.750 | 0.365 | 40 | 699 | 699 | 699 | 649 | 603 | 565 | 553 | 540 | 528 |
| 10.750 | 0.594 | 80 | 1159 | 1159 | 1159 | 1075 | 999 | 937 | 916 | 895 | 874 | |
| 10.750 | 1.125 | 160 | 2289 | 2289 | 2289 | 2124 | 1974 | 1850 | 1809 | 1768 | 1727 | |
| 1" | 1.315 | 0.133 | 40 | 2205 | 2205 | 2205 | 2047 | 1902 | 1783 | 1743 | 1703 | 1664 |
| 1.315 | 0.179 | 80 | 3061 | 3061 | 3061 | 2841 | 2640 | 2475 | 2420 | 2365 | 2310 | |
| 1.315 | 0.250 | 160 | 4493 | 4493 | 4493 | 4170 | 3874 | 3632 | 3552 | 3471 | 3390 | |
| 5" | 5.563 | 0.258 | 40 | 965 | 965 | 965 | 896 | 832 | 780 | 763 | 746 | 728 |
| 5.563 | 0.375 | 80 | 1428 | 1428 | 1428 | 1325 | 1231 | 1154 | 1129 | 1103 | 1077 | |
| 5.563 | 0.625 | 160 | 2474 | 2474 | 2474 | 2296 | 2133 | 2000 | 1955 | 1911 | 1866 | |
| 6" | 6.625 | 0.280 | 40 | 877 | 877 | 877 | 814 | 756 | 709 | 693 | 677 | 661 |
| 6.625 | 0.432 | 80 | 1379 | 1379 | 1379 | 1280 | 1189 | 1115 | 1090 | 1065 | 1040 | |
| 6.625 | 0.719 | 160 | 2382 | 2382 | 2382 | 2211 | 2054 | 1925 | 1883 | 1840 | 1797 | |
| 3" | 3.500 | 0.216 | 40 | 1301 | 1301 | 1301 | 1208 | 1122 | 1052 | 1028 | 1005 | 982 |
| 3.500 | 0.300 | 80 | 1844 | 1844 | 1844 | 1712 | 1590 | 1491 | 1458 | 1425 | 1391 | |
| 3.500 | 0.438 | 160 | 2787 | 2787 | 2787 | 2587 | 2403 | 2253 | 2203 | 2153 | 2103 | |
Trusted Stainless Steel Boiler Tube Supplier in India in Custom Shapes and Types
304 Seamless Boiler Tubing
Stainless Steel Water Tube Boiler
SS Boiler Vent Pipe
Stainless Steel Welded Boiler Tube
SS Boiler Fire Tube
Stainless Steel Superheater Tubes
| Nominal Size in inches | OD in inches | OD in mm | WT in inches | WT in mm | Weight [kg/meter] | Weight [lbs/feet] |
|---|---|---|---|---|---|---|
| 3/4 20 | 1.05 | 26.7 | 0.113 | 2.87 | 1.69 | 1.13 |
| 1 25 | 1.32 | 33.4 | 0.133 | 3.38 | 2.5 | 1.68 |
| 1 1/4 32 | 1.66 | 42.2 | 0.14 | 3.56 | 3.39 | 2.27 |
| 3/8 10 | 0.68 | 17.1 | 0.091 | 2.31 | 0.84 | 0.57 |
| 1/2 15 | 0.84 | 21.3 | 0.109 | 2.77 | 1.27 | 0.85 |
| 6 150 | 6.625 | 168.3 | 0.28 | 7.11 | 28.26 | 18.97 |
| 8 200 | 8.625 | 219.1 | 0.322 | 8.18 | 42.55 | 28.55 |
| 3 1/2 90 | 4 | 101.6 | 0.226 | 5.74 | 13.57 | 9.11 |
| 4 100 | 4.5 | 114.3 | 0.237 | 6.02 | 16.07 | 10.79 |
| 5 125 | 5.563 | 141.3 | 0.258 | 6.55 | 21.77 | 14.62 |
| 1/8 6 | 0.41 | 10.3 | 0.068 | 1.73 | 0.37 | 0.24 |
| 1/4 8 | 0.54 | 13.7 | 0.088 | 2.24 | 0.63 | 0.42 |
| 18 450 | 18 | 457 | 0.562 | 14.27 | 155.8 | 104.67 |
| 20 500 | 20 | 508 | 0.594 | 15.09 | 183.42 | 123.11 |
| 10 250 | 10.75 | 273 | 0.365 | 9.27 | 60.31 | 40.48 |
| 12 300 | 12.75 | 323.8 | 0.406 | 10.31 | 79.73 | 53.52 |
| 14 350 | 14 | 355.6 | 0.437 | 11.13 | 94.55 | 54.57 |
| 16 400 | 16 | 406.4 | 0.5 | 12.7 | 123.3 | 82.77 |
| 1 1/2 40 | 1.9 | 48.3 | 0.145 | 3.68 | 4.05 | 2.72 |
| 2 50 | 2.375 | 60.3 | 0.154 | 3.91 | 5.44 | 3.65 |
| 2 1/2 65 | 2.875 | 73 | 0.203 | 5.16 | 8.63 | 5.79 |
| 3 80 | 3.5 | 88.9 | 0.216 | 5.49 | 11.29 | 7.58 |
| 24 600 | 24 | 610 | 0.688 | 17.48 | 255.41 | 171.29 |
| 32 800 | 32 | 813 | 0.688 | 17.48 | 342.91 | 230.08 |
| Grades of SS | Typical Operating Temperature Range | (°C / °F) |
|---|---|---|
| 304 Stainless Steel | 600°C to 870°C | 1112°F to 1598°F |
| 316 Stainless Steel | 600°C to 870°C | 1112°F to 1598°F |
| 321 Stainless Steel | 600°C to 870°C | 1112°F to 1598°F |
| 310 Stainless Steel | 800°C to 1150°C | 1472°F to 2102°F |
| Fire Tube Boiler | Water Tube Boiler |
|---|---|
| Low or medium pressure boiler up to 25 Bar. | High pressure boiler ranging up to 70-100 Bar. |
| Lower rate of steam Production. | Faster rate of steam Production. |
| Less efficient | More efficient |
| Suitable for small scale power plants. | Suitable for large scale power plants. |
| Occupies large floor space. | Occupies less floor space. |
| Less complex, less skill required. | Because of complexity, skilled person is required to operate. |
| Difficult to clean as internally fired. | Easy to clean as it is externally fired |
| The diameter of shell is more. | The shell diameter is less. |
| Difficult to carry out maintenance | Easy to carry out maintenance. |
| Less environment friendly | More environment friendly |
| Operating Cost is less. | Operating cost is high |
| STANDARD | UNS | WERKSTOFF NR. | JIS | EN | GOST | BS | AFNOR |
|---|---|---|---|---|---|---|---|
| SS 304 | S30400 | 1.4301 | SUS 304 | X5CrNi18-10 | 08Х18Н10 | 304S31 | Z7CN18‐09 |
| SS 304L | S30403 | 1.4306 / 1.4307 | SUS 304L | X2CrNi18-9 / X2CrNi19-11 | 03Х18Н11 | 3304S11 | Z3CN18‐10 |
| SS 304H | S30409 | 1.4301 | – | – | – | – | – |
| SS 310 | S31000 | 1.4841 | SUS 310 | X15CrNi25-20 | 20Ch25N20S2 | 310S24 | – |
| SS 310S | S31008 | 1.4845 | SUS 310S | X8CrNi25-21 | 20Ch23N18 | 310S16 | – |
| SS 310H | S31009 | – | – | – | – | – | – |
| SS 316 | S31600 | 1.4401 / 1.4436 | SUS 316 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 | – | 316S31 / 316S33 | Z7CND17‐11‐02 |
| SS 316L | S31603 | 1.4404 / 1.4435 | SUS 316L | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 | 03Ch17N14M3 / 03Ch17N14M2 | 316S11 / 316S13 | Z3CND17‐11‐02 / Z3CND18‐14‐03 |
| SS 316H | S31609 | 1.4401 | – | – | – | – | – |
| SS 316Ti | S31635 | 1.4571 | SUS 316Ti | X6CrNiMoTi17-12-2 | 08Ch17N13M2T | 320S31 | Z6CNDT17‐123 |
| SS 317 | S31700 | 1.4449 | SUS 317 | – | – | – | – |
| SS 317L | S31703 | 1.4438 | SUS 317L | X2CrNiMo18-15-4 | – | – | – |
| SS 321 | S32100 | 1.4541 | SUS 321 | X6CrNiTi18-10 | – | – | – |
| SS 321H | S32109 | 1.4878 | SUS 321H | X12CrNiTi18-9 | – | – | – |
| SS 347 | S34700 | 1.4550 | SUS 347 | X6CrNiNb18-10 | 08Ch18N12B | – | – |
| SS 347H | S34709 | 1.4961 | SUS 347H | X6CrNiNb18-12 | – | – | – |
| SS 904L | N08904 | 1.4539 | SUS 904L | X1NiCrMoCu25-20-5 | STS 317J5L | 904S13 | Z2 NCDU 25-20 |
| Grades | Mn | C | S | Si | P | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. | - | - | - | - | - | 18.0 | 8.0 | - | |
| max. | 2.0 | 0.08 | 0.030 | 0.75 | 0.045 | 20.0 | 10.5 | 0.10 | ||
| 304L | min. | - | - | - | - | - | 18.0 | 8.0 | - | |
| max. | 2.0 | 0.030 | 0.030 | 0.75 | 0.045 | 20.0 | 12.0 | 0.10 | ||
| 304H | min. | - | 0.04 | - | - | - | 18.0 | 8.0 | - | |
| max. | 2.0 | 0.010 | 0.030 | 0.75 | 0.045 | 20.0 | 10.5 | - | ||
| SS 310 | - | 2 max | 0.015 max | 0.015 max | 0.015 max | 0.020 max | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 min |
| SS 310S | - | 2 max | 0.08 max | 0.030 max | 1.00 max | 0.045 max | 24.00 26.00 | 0.75 max | 19.00 21.00 | 53.095 min |
| SS 310H | - | 2 max | 0.04 0.10 | 0.030 max | 1.00 max | 0.045 max | 24.00 26.00 | - | 19.00 21.00 | 53.885 min |
| 316 | min. | - | - | - | - | - | 16.0 | 2.03.0 | 10.0 | - |
| max. | 2.0 | 0.035 | 0.030 | 0.75 | 0.045 | 18.0 | 14.0 | - | ||
| 316L | min. | - | - | - | - | - | 16.0 | 2.03.0 | 10.0 | - |
| max. | 2.0 | 0.035 | 0.030 | 0.75 | 0.045 | 18.0 | 14.0 | - | ||
| 316TI | - | 10.00 14.00 | 0.08 max | 0.030 max | 2.0 max | 0.045 max | 16.00 18.00 | 0.75 max | 2.00 3.00 | - |
| 317 | - | 2 max | 0.08 max | 0.030 max | 1 max | 0.045 max | 18.00 20.00 | 3.00 4.00 | - | - |
| SS 317L | - | 2.0 max | 0.035 max | 0.030 max | 1.0 max | 0.045 max | 18.00 20.00 | 3.00 4.00 | 11.00 15.00 | - |
| SS 321 | - | 2.0 max | 0.08 max | 0.030 max | 1.0 max | 0.045 max | 17.00 19.00 | - | 9.00 12.00 | 0.10 max |
| SS 321H | - | 2.0 max | 0.04 0.10 | 0.030 max | 1.0 max | 0.045 max | 17.00 19.00 | - | 9.00 12.00 | 0.10 max |
| 347/ 347H | - | 2.0 max | 0.08 max | 0.030 max | 1.0 max | 0.045 max | 17.00 20.00 | - | 9.0013.00 | - |
| 410 | min. | - | - | - | - | - | 11.5 | - | - | - |
| max. | 1.0 | 0.15 | 0.030 | 1.00 | 0.040 | 13.5 | - | 0.75 | - | |
| 446 | min. | - | - | - | - | - | 23.0 | - | - | 0.10 |
| max. | 1.5 | 0.2 | 0.030 | 0.75 | 0.040 | 30.0 | - | 0.50 | 0.25 | |
| 904L | min. | - | - | - | - | - | 19.0 | 4.00 | 23.00 | 0.10 |
| max. | 2.00 | 0.20 | 0.035 | 1.00 | 0.045 | 23.0 | 5.00 | 28.00 | 0.25 | |
| Grades | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
|---|---|---|---|
| 304/ 304L | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 35 % |
| 304H | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 40 % |
| 310 / 310S / 310H | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 40 % |
| 306/ 316H | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 35 % |
| 316L | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 35 % |
| 317 | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 35 % |
| 321 | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 35 % |
| 347 | Psi 30000 , MPa 205 | Psi 75000 , MPa 515 | 35 % |
| 904L | Psi 32000 , MPa 220 | Psi 71000 , MPa 490 | 35 % |
| Grades | Melting Point (°C) | Density (g/cm³) | Electrical Resistivity (µΩ·cm) | Thermal Conductivity (W/m·K) | Coefficient of Thermal Expansion (μm/m·°C) |
|---|---|---|---|---|---|
| SS 304 | 1,400–1,450 | 8.00 | 0.072 | 16.2 | 16.0 |
| SS 304L | 1400 – 1450 | 7.93 | 72.3 | 16.2 | 16.0 |
| SS 304H | 1400 – 1450 | 7.93 | 72.3 | 16.2 | 16.0 |
| SS 310 | 1400 – 1450 | 7.90 | 72.0 | 14.0 | 17.0 |
| SS 310S | 1400 – 1450 | 7.90 | 72.0 | 14.0 | 17.0 |
| SS 316 | 1375 – 1400 | 7.98 | 74.0 | 16.3 | 16.5 |
| SS 316L | 1375 – 1400 | 7.98 | 74.0 | 16.3 | 16.5 |
| SS 316Ti | 1375 – 1400 | 7.98 | 74.0 | 16.3 | 16.5 |
| SS 317 | 1375 – 1400 | 7.95 | 74.5 | 16.3 | 16.5 |
| SS 317L | 1375 – 1400 | 7.95 | 74.5 | 16.3 | 16.5 |
| SS 321 | 1400 – 1450 | 7.93 | 74.0 | 16.2 | 16.0 |
| SS 321H | 1400 – 1450 | 7.93 | 74.0 | 16.2 | 16.0 |
| SS 347 | 1400 – 1450 | 7.93 | 74.0 | 16.2 | 16.0 |
| SS 410 | 1480 – 1530 | 7.75 | 78.0 | 30.0 | 11.5 |
| SS 446 | 1400 – 1450 | 7.80 | 76.0 | 30.0 | 11.5 |
| SS 904L | 1350 – 1400 | 8.00 | 70.0 | 15.0 | 16.0 |
58mm 304 Stainless Steel Boilers Tube
SS 304L ASTM A249 Stainless Steel Boiler Tubes
316 Stainless Steel Boiler Fin Tube
ASTM A355 Seamless Stainless Steel Boiler Tubes
100mm Diameter Stainless Steel Boiler Pipes
High Standard ASTM High Pressure Steam Boiler Seamless Steel Pipe
| Cost Variations 5 % extra | |
|---|---|
| Export to | Delivery Time |
| Philippines | 14 |
| Malaysia | 10 |
| Saudi Arabia | 7 |
| UAE | 5 days |
| Germany | 15-50 |
| Oman | 5 |
| Bahrain | 9 |
| Qatar | 7 |
| Kuwait | 10 |
| France | 30 |
| Uk | 30 |
| Netherlands | 19-20 |
| Belgium | 6-9 |
| Indonesia | 9 |
| South Africa | 25-30 |
| Singapore | 8 |