Table of Contents
A well-known producer and stockist of SS 309 Pipes & Tubes, Nandini Steel is noted for their sturdy construction and compact designs. It is comprised of a great deal of superior mechanical and structural grade materials and is available in a variety of special lengths and diameters. For the pipes' floor safety, stainless steel UNS S30900 Bright Annealed Pipes may be delivered with a black paint mill end or in addition to an anti-rust oil coating. We obtain these components from reputable experts that have been cooperating with us for a considerable amount of time. We are also a well-known supplier of pipes for fabrication projects that demand exposure to corrosive elements like chemical, acidic, clean water, and salt water conditions.
Our entire selection is well-known in the industry for its durability and anti-corrosive qualities. We also focus on providing our customers with tubes in custom thicknesses for critical and unique applications. These tubes contain a variety of high-pressure fluids and gases. Stainless Steel WNR 1.4828 Heat Exchanger Tubes are almost exclusively used for components that need to be machined, welded, ground, or sharpened and where sufficient corrosion resistance is also necessary.
Standards |
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Specialized in | Large Diameter Pipe |
Pipe size | 5.0 milimeter - 1219.2 milimeter |
Pipe Finish | AP (Annealed & Pickled), Polished, MF, BA (Bright & Annealed) |
Schedule | SCH10, SCH5, STD, SCH40, SCH160, SCH80 |
Length | Double Random, Single Random & Cut Length. |
Pipe Form | Square, Round, Rectangular, Hollow, Straight, Hydraulic Pipes, Etc. |
Pipe End | Beveled End, Plain End, Threaded. |
Material Test Certificates (MTC) | EN 10204 3.1 EN 10204 3.2 |
Marking | All Pipes are marked as follows: Grade, Standard, Thickness, OD, Heat No. (Or according to the customer’s request.), Length |
Swg & Bwg | 12 Swg., 10 Swg., 16 Swg., 14 Swg., 20 Swg., 18 Swg. |
Tube Size | 6.35 milimeter Outside Diameter To 152 milimeter Outside Diameter |
Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Wall Thickness | 0.020" to 0.220", (special wall thicknesses available) |
Tube Type | ERW, Seamless, Welded, EFW, Fabricated |
Tube Form | Boiler, Straight, Rectangular, Round, Coil, Square, Hydraulic, LSAW, Hollow,‘U’ bent Tubes Etc. |
ASTM | ASME | Description |
---|---|---|
ASTM A312 | SA 312 | Seamless and straight-seam welded austenitic pipe |
ASTM A358 | SA 358 | Electric fusion welded (EFW) austenitic pipe, up to 8 inch |
ASTM A213 | SA 213 | Seamless and Welded Austenitic Stainless Steel Tubing |
ASTM A249 | SA 249 | Welded Austenitic Steel Boiler, Superheater, Condenser and Heat Exchanger, Tubes |
ASTM A269 | SA 269 | Seamless and Welded Austenitic Stainless Steel Tubing |
ASTM A409 | SA 409 | Welded Large Diameter Austenitic Steel Pipe |
ASTM A376 | SA 376 | High Temperature SS Seamless Austenitic Steel Pipe |
ASTM A813 | SA 813 | Single-seam, single / double welded austenitic pipe |
ASTM A814 | SA 814 | Cold-worked welded austenitic pipe |
ASTM A554 | SA 554 | Stainless Steel Welded Stainless Steel Mechanical Tubing and SS Square Pipe |
ASTM A511 | SA 511 | Stainless Steel Seamless Mechanical Tubing |
ASTM A632 | SA 632 | Small-Diameter Seamless and Welded Austenitic Stainless Steel Tubing |
ASTM A688 | SA 688 | Austenitic Stainless Steel Feedwater Heater Tubes, Welded |
ASTM A778 | SA 778 | Welded, Unannealed Austenitic Stainless Steel Pipe/ Tube |
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 309 | 1.4828 | S30900 | SUS 309 | 309S24 | 20KH20N14S2 | Z17CNS20-12 | X15CrNiSi20-12 |
PIPE SIZE | OD IN INCHES | A.S.A. Pipe Schedules | |||||||||||||||
5s | 5 | 10s | 10 | 20 | 30 | 40s & Std. | 40 | 60 | 80s & E.H. | 80 | 100 | 120 | 140 | 160 | DBL E.H. | ||
1/8 | .405 | .035.1383 | .049.1863 | .049.1863 | .068.2447 | 068.2447 | 0.95.3145 | 0.95.3145 | |||||||||
1/4 | .540 | .049.2570 | .065.3297 | .065.3297 | .088.4248 | 088.4248 | .119.5351 | .119.5351 | |||||||||
3/8 | .675 | .049.3276 | .065.4235 | .065.4235 | .091.5676 | .091.5676 | .126.7338 | .126.7338 | |||||||||
1/2 | .840 | .065.5383 | .065.5383 | .083.6710 | .083.6710 | .109.8510 | .109.8510 | .1471.088 | .1471.088 | .1871.309 | .2941.714 | ||||||
3/4 | 1.050 | .065.6838 | .065.6838 | .083.8572 | .083.8572 | .1131.131 | .1131.131 | .1541.474 | .1541.474 | .2181.937 | .3082.441 | ||||||
1 | 1.315 | .065.8678 | .065.8678 | .1091.404 | .1091.404 | .1331.679 | .1331.679 | .1792.172 | .1792.172 | .2502.844 | .3583.659 | ||||||
1-1/4 | 1.660 | .0651.107 | .0651.107 | .1091.806 | .1091.806 | .1402.273 | .1402.273 | .1912.997 | .1912.997 | .2503.765 | .3825.214 | ||||||
1-1/2 | 1.900 | .0651.274 | .0651.274 | .1092.085 | .1092.085 | .1452.718 | .1452.718 | .2003.631 | .2003.631 | .2814.859 | .4006.408 | ||||||
2 | 2.375 | .0651.604 | .0651.604 | .1092.638 | .1092.638 | .1543.653 | .1543.653 | .2185.022 | .2185.022 | .3437.444 | .4369.029 | ||||||
2-1/2 | 2.875 | .0832.475 | .0832.475 | .1203.531 | .1203.531 | .2035.793 | .2035.793 | .2767.661 | .2767.661 | .37510.01 | .55213.70 | ||||||
3 | 3.500 | .0833.029 | .0833.029 | .1204.332 | .1204.332 | .2167.576 | .2167.576 | .30010.25 | .30010.25 | .43714.32 | .60018.58 | ||||||
3-1/2 | 4.000 | .0833.472 | .0833.472 | .1204.973 | .1204.973 | .2269.109 | .2269.109 | .31812.51 | .31812.51 | .63622.85 | |||||||
4 | 4.500 | .0833.915 | .0833.915 | .1205.613 | .1205.613 | .23710.79 | .23710.79 | .28112.66 | .33714.98 | .33714.98 | .43719.01 | .53122.51 | .67427.54 | ||||
4-1/2 | 5.000 | .24712.53 | .35517.61 | .71032.53 | |||||||||||||
5 | 5.563 | .1096.349 | .1096.349 | .1347.770 | .1347.770 | .25814.62 | .25814.62 | .37520.78 | .37520.78 | .50027.04 | .62532.96 | .75038.55 | |||||
6 | 6.625 | .1097.585 | .1097.585 | .1349.290 | .1349.290 | .28018.97 | .28018.97 | .43228.57 | .43228.57 | .56236.39 | .71845.30 | .86453.16 | |||||
7 | 7.625 | .30123.57 | .50038.05 | .87563.08 |
Size OD, Inches |
BW Ga. |
Wall Dec-In. |
ID | Weight Lbs/Ft. |
1/8 | 22 | 0.028 | 0.069 | 0.0290 |
20 | 0.035 | 0.055 | 0.0336 | |
3/16 | 22 | 0.028 | 0.131 | 0.0478 |
1/4 | 25 | 0.020 | 0.210 | 0.0491 |
22 | 0.028 | 0.194 | 0.0664 | |
21 | 0.032 | 0.187 | 0.0745 | |
20 | 0.035 | 0.180 | 0.0804 | |
18 | 0.049 | 0.152 | 0.1052 | |
16 | 0.065 | 0.120 | 0.1284 | |
5/16 | 20 | 0.035 | 0.242 | 0.1039 |
18 | 0.049 | 0.214 | 0.1382 | |
16 | 0.065 | 0.182 | 0.1722 | |
3/8 | 22 | 0.028 | 0.319 | 0.1038 |
20 | 0.035 | 0.305 | 0.1271 | |
18 | 0.049 | 0.277 | 0.1706 | |
16 | 0.065 | 0.245 | 0.2152 | |
7/16 | 18 | 0.049 | 0.340 | 0.2036 |
1/2 | 25 | 0.020 | 0.460 | 0.1025 |
20 | 0.035 | 0.430 | 0.1738 | |
18 | 0.049 | 0.402 | 0.2360 | |
16 | 0.065 | 0.370 | 0.3020 | |
5/8 | 20 | 0.035 | 0.555 | 0.2205 |
18 | 0.049 | 0.527 | 0.3014 | |
16 | 0.065 | 0.495 | 0.3888 | |
3/4 | 20 | 0.035 | 0.680 | 0.2673 |
18 | 0.049 | 0.652 | 0.3668 | |
16 | 0.065 | 0.620 | 0.4755 | |
14 | 0.083 | 0.584 | 0.5913 | |
7/8 | 18 | 0.049 | 0.777 | 0.4323 |
16 | 0.065 | 0.745 | 0.5623 | |
11 | 0.120 | 0.635 | 0.9676 | |
1 | 20 | 0.035 | 0.930 | 0.3607 |
18 | 0.049 | 0.902 | 0.4977 | |
16 | 0.065 | 0.870 | 0.6491 | |
14 | 0.083 | 0.834 | 0.8129 | |
11 | 0.120 | 0.760 | 1.1278 | |
1-1/4 | 11 | 0.120 | 1.010 | 1.4480 |
OD inches | Ave. Wall inches | D/t Ratio | ID inches | Tubing Cross Sectional Area (in2) | Internal Area (in2) |
---|---|---|---|---|---|
0.250 | 0.020 | 12.50 | 0.210 | 0.0145 | 0.0346 |
0.250 | 0.028 | 8.93 | 0.194 | 0.0195 | 0.0296 |
0.250 | 0.035 | 7.14 | 0.180 | 0.0236 | 0.0254 |
0.250 | 0.049 | 5.10 | 0.152 | 0.0309 | 0.0181 |
0.250 | 0.065 | 3.85 | 0.120 | 0.0378 | 0.0113 |
0.375 | 0.020 | 18.75 | 0.335 | 0.0223 | 0.0881 |
0.375 | 0.028 | 13.39 | 0.319 | 0.0305 | 0.0799 |
0.375 | 0.035 | 10.71 | 0.305 | 0.0374 | 0.0731 |
0.375 | 0.049 | 7.65 | 0.277 | 0.0502 | 0.0603 |
0.375 | 0.065 | 5.77 | 0.245 | 0.0633 | 0.0471 |
0.500 | 0.020 | 25.00 | 0.460 | 0.0302 | 0.1662 |
0.500 | 0.028 | 17.86 | 0.444 | 0.0415 | 0.1548 |
0.500 | 0.035 | 14.29 | 0.430 | 0.0511 | 0.1452 |
0.500 | 0.049 | 10.20 | 0.402 | 0.0694 | 0.1213 |
0.500 | 0.065 | 7.69 | 0.370 | 0.0888 | 0.1075 |
0.500 | 0.083 | 6.02 | 0.334 | 0.1087 | 0.0876 |
0.625 | 0.020 | 31.25 | 0.585 | 0.0380 | 0.2688 |
0.625 | 0.028 | 22.32 | 0.569 | 0.0525 | 0.2543 |
0.625 | 0.035 | 17.86 | 0.555 | 0.0649 | 0.2419 |
0.625 | 0.049 | 12.76 | 0.527 | 0.0887 | 0.2181 |
0.625 | 0.065 | 9.62 | 0.495 | 0.1144 | 0.1924 |
0.625 | 0.083 | 7.53 | 0.459 | 0.1413 | 0.1655 |
0.625 | 0.095 | 6.58 | 0.435 | 0.1582 | 0.1486 |
0.625 | 0.109 | 5.73 | 0.407 | 0.1767 | 0.1301 |
0.750 | 0.028 | 26.79 | 0.694 | 0.0635 | 0.3783 |
0.750 | 0.035 | 21.43 | 0.680 | 0.0786 | 0.3632 |
0.750 | 0.049 | 15.31 | 0.652 | 0.1079 | 0.3339 |
0.750 | 0.065 | 11.54 | 0.620 | 0.1399 | 0.3019 |
0.750 | 0.083 | 9.04 | 0.584 | 0.1739 | 0.2679 |
0.750 | 0.095 | 7.89 | 0.560 | 0.1955 | 0.2463 |
0.750 | 0.109 | 6.88 | 0.532 | 0.2195 | 0.2223 |
0.750 | 0.120 | 6.25 | 0.510 | 0.2375 | 0.2043 |
0.875 | 0.020 | 43.75 | 0.835 | 0.0537 | 0.5476 |
0.875 | 0.028 | 31.25 | 0.819 | 0.0745 | 0.5268 |
0.875 | 0.035 | 25.00 | 0.805 | 0.0924 | 0.5090 |
0.875 | 0.049 | 17.86 | 0.777 | 0.1272 | 0.4742 |
0.875 | 0.065 | 13.46 | 0.745 | 0.1654 | 0.4359 |
0.875 | 0.083 | 10.54 | 0.709 | 0.2065 | 0.3948 |
0.875 | 0.095 | 9.21 | 0.685 | 0.2328 | 0.3685 |
0.875 | 0.109 | 8.03 | 0.657 | 0.2623 | 0.3390 |
0.875 | 0.120 | 7.29 | 0.635 | 0.2846 | 0.3167 |
1.000 | 0.028 | 35.71 | 0.944 | 0.0855 | 0.6999 |
1.000 | 0.035 | 28.57 | 0.930 | 0.1061 | 0.6793 |
1.000 | 0.049 | 20.41 | 0.902 | 0.1464 | 0.6390 |
1.000 | 0.065 | 15.38 | 0.870 | 0.1909 | 0.5945 |
1.000 | 0.083 | 12.05 | 0.834 | 0.2391 | 0.5463 |
1.000 | 0.095 | 10.53 | 0.810 | 0.2701 | 0.5153 |
1.000 | 0.109 | 9.17 | 0.782 | 0.3051 | 0.4803 |
1.000 | 0.120 | 8.33 | 0.760 | 0.3318 | 0.4536 |
1.000 | 0.134 | 7.46 | 0.732 | 0.3646 | 0.4208 |
1.250 | 0.035 | 35.71 | 1.180 | 0.1336 | 1.0936 |
1.250 | 0.049 | 25.51 | 1.152 | 0.1849 | 1.0423 |
1.250 | 0.065 | 19.23 | 1.120 | 0.2420 | 0.9852 |
1.250 | 0.083 | 15.06 | 1.084 | 0.3043 | 0.9229 |
1.250 | 0.095 | 13.16 | 1.060 | 0.3447 | 0.8825 |
1.250 | 0.109 | 11.47 | 1.032 | 0.3907 | 0.8365 |
1.250 | 0.120 | 10.42 | 1.010 | 0.4260 | 0.8012 |
1.250 | 0.134 | 9.33 | 0.982 | 0.4698 | 0.7574 |
1.500 | 0.035 | 42.86 | 1.430 | 0.1611 | 1.6061 |
1.500 | 0.049 | 30.61 | 1.402 | 0.2234 | 1.5438 |
1.500 | 0.065 | 23.08 | 1.370 | 0.2930 | 1.4741 |
1.500 | 0.083 | 18.07 | 1.334 | 0.3695 | 1.3977 |
1.500 | 0.095 | 15.79 | 1.310 | 0.4193 | 1.3478 |
1.500 | 0.109 | 13.76 | 1.282 | 0.4763 | 1.2908 |
1.500 | 0.120 | 12.50 | 1.260 | 0.5202 | 1.2469 |
1.500 | 0.134 | 11.19 | 1.232 | 0.5750 | 1.1921 |
1.500 | 0.148 | 10.14 | 1.204 | 0.6286 | 1.1385 |
1.750 | 0.035 | 50.00 | 1.680 | 0.1886 | 2.2167 |
1.750 | 0.049 | 40.82 | 1.902 | 0.3003 | 2.8413 |
1.750 | 0.065 | 26.92 | 1.620 | 0.3441 | 2.0612 |
1.750 | 0.083 | 21.08 | 1.584 | 0.4347 | 1.9706 |
1.750 | 0.095 | 18.42 | 1.560 | 0.4939 | 1.9113 |
1.750 | 0.109 | 16.06 | 1.532 | 0.5619 | 1.8433 |
1.750 | 0.120 | 14.58 | 1.510 | 0.6145 | 1.7908 |
1.750 | 0.134 | 13.06 | 1.482 | 0.6803 | 1.7250 |
1.750 | 0.148 | 11.82 | 1.454 | 0.7449 | 1.6604 |
1.750 | 0.165 | 10.61 | 1.420 | 0.8216 | 1.5837 |
2.000 | 0.035 | 57.14 | 1.930 | 0.2161 | 2.9255 |
2.000 | 0.049 | 40.82 | 1.902 | 0.3003 | 2.8413 |
2.000 | 0.065 | 30.77 | 1.870 | 0.3951 | 2.7465 |
2.000 | 0.083 | 24.10 | 1.834 | 0.4999 | 2.6417 |
2.000 | 0.095 | 21.05 | 1.810 | 0.5685 | 2.5730 |
2.000 | 0.109 | 18.35 | 1.782 | 0.6475 | 2.4941 |
2.000 | 0.120 | 16.67 | 1.760 | 0.7087 | 2.4328 |
2.000 | 0.134 | 14.93 | 1.732 | 0.7855 | 2.3561 |
2.000 | 0.148 | 13.51 | 1.704 | 0.8611 | 2.2805 |
2.000 | 0.165 | 12.12 | 1.670 | 0.9512 | 2.1904 |
EU EN |
USA - |
Germany DIN,WNr |
Japan JIS |
France AFNOR |
England BS |
Italy UNI |
China GB |
Poland PN |
Czechia CSN |
Russia GOST |
X15CrNiSi20-12 (1.4828) | 309 | X15CrNiSi20-12 | SUH309 | Z17CNS20-12 | 309S24 | X16CrNi23-14 | 1Cr20Ni14Si2 | H20N12S2 | 17251 | 20KH20N14S2 |
Grade | Fe | Cr | Ni | Mn | Si | C | P | S |
309 | 60% | 23% | 14% | 2% | 1% | 0.20% | 0.045% | 0.030% |
Grade | Yield Strength 0.2% Offset0 |
Ultimate Tensile Strength |
Elongation in 2 in. |
Hardness | ||
- | psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
309 | 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) |
We Manufacturer, Supplier and Exporter ASTM A312 / A213 Stainless Steel 309 Pipes & Tubes for wide range of industries. Some of the examples are : – Pharmaceuticals, Railways, Chemicals, Paper & Pulp Industries, Water Pipelines, Refineries, Shipbuilding, Power Plants, Architectural applications, Textiles, Dairies & Breweries, Food & Beverages, Sugar Mills, Nuclear, Constructions, Petrochemicals, Automobiles etc.