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Highly alloyed metals have superior mechanical qualities and greatly increased corrosion resistance, especially when compared to more conventional stainless steel alloys. The 254 SMO Tube, which is thought to be a highly alloyed metal, has one of the best PREN values of any austenitic stainless steel. Few alloys can provide the property of resistance to pitting. The PREN Value of the A213 UNS S31254 Seamless Tube, which is larger than 42.5, is particularly high. Any stainless steel with a PREN rating greater than 38 is regarded as having exceptional resistance to pitting corrosion.
Werkstoff Nr. 1.4547 EFW Tube and Alloy 254 High Pressure Tube are commonly used in industries such as aerospace, chemical processing, and marine applications
Comparing Alloy 254 High Pressure Tube to a number of conventional austenitic stainless steel alloys, it also demonstrates strength to a far greater extent. Since the carbon concentration of din 1.4547 Welded Tubes is less than 0.020%, the alloy has excellent weldability. Most stainless steels with higher carbon and chromium content in their alloy have a tendency to develop carbide precipitates, which could eventually cause the material to deteriorate through intergranular corrosion. So, although having a higher chromium level, the Sandvik 254 smo tube alloy minimizes intergranular corrosion thanks to its reduced carbon content.
The smo 254 ERW Tubes and other equipment are subjected to sulfur exposure in oilfields. Because sulfur is a very corrosive residual element, over time, its deposition causes pipe cracking. Sulfur doesn’t corrode the 6mo EFW Tubing. Thus, using tubo smo 254 helps many oil fields avoid the onset of corrosion cracking caused by sulfide stress.
Table of content
| Specification | ASTM A213/ ASME SA213 |
| Surfaces | |
| Standard length | 6 metres |
| Delivery Condition | MF, Bright Annealed, Polished, Annealed and Pickled, Cold Drawn |
| Thickness Range | Schedule 5 to Schedule XXS |
| Manufacturing Type | CEW / Seamless / DOM / ERW / Fabricated / Welded / CDW / CDS / 100% X Ray Welded |
| Surface Finish | BA, 500G, 2B, No.1, No.3, No.8, 800G Mirror finish, 8K, HL, No.4, 2D, Mirror Polished, 1D, 180G, 400G Satin/ Hairline, 320G, 400G, 600G |
| Value Added Services |
|
| END | Plain End, Beveled End, Treaded Tubes |
| Processing Service | Welding, Decoiling, Bending, Punching, Cutting, Moulding |
| Technique | Cold drawn, Cold rolled, Hot rolled, Extrusion Tubes |
| Tolerance |
6mo Welded Tubes
Werkstoff Nr. 1.4547 EFW Tube
Alloy 254 High Pressure Tube
A213 UNS S31254 Cold Drawn Tube
SMO 254 ERW Tubes
SS 254 SMO Tubing
| SMO 254 | C | Ni | Cr | Mn | Mo | Fe | Si | S | Cu | P |
| 0.002 maximum | 17.05 to 18.05 | 19.05 to 20.05 | 1 maximum | 6 to 6.05 | to | 0.08 maximum | 0.001 maximum | 0.05 to 1 | 0.003 maximum |
The dimensions of A213 UNS S31254 Cold Drawn Tube and SMO 254 ERW Tubes comply with industry standards
| Melting Point | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 1320 to 1390 ℃ | 8.0 g/cm3 | 650 | 300 | 35 % |
| STANDARD | GOST | WERKSTOFF NR. | UNS | JIS | EN | AFNOR | SIS |
| SMO 254 | – | 1.4547 | S31254 | – | X1CrNiMoCuN20-18-7 | Z1 CNDU 20.18.06Az | 2378 |
We are the leading stockist and distributor of high-temperature 254 Smo Seamless Tube and 254 SMO Welded Tube.
| Wall Thickness | Sizes ( O.D.) |
|---|---|
| .010 | 1/16″ , 1/8″ , 3/16″ |
| .020 | 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ |
| .012 | 1/8″ |
| .016 | 1/8″ , 3/16″ |
| .028 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″ |
| .035 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .049 | 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .065 | 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″ |
| .083 | 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″ |
| .095 | 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .109 | 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .120 | 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″ |
| .125 | 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″ |
| .134 | 1″ |
| .250 | 3″ |
| .375 | 3 1/2″ |
Find precise ASTM A269 UNS S31254 Capillary Tubing and SMO 254 Coiled Tube dimensions and sizes to meet your specific project demands
| OD inches | Ave. Wall inches | D/t Ratio | ID inches | Tube 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 | 0.316L7 |
| 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 | 0.316L3 | 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 |
Application of SMO 254 Coiled Tube
- Chemical processing
- Food processing equipment
- Beverage industry
- Petrochemical industry
- Pharmaceutical equipment
Packaging of 254 Smo Seamless Tube
Different packaging techniques are employed based on the type and size of steel tubes to guarantee secure transportation. While we offer packaging guidelines for common pipe types, we stress the importance of extra precautions during sealift handling and transportation to protect against damages resulting from movement and bending.
Frequently asked questions
Are UNS S31254 Seamless Tube resistant to pitting and crevice corrosion?
UNS S31254 Seamless Tube are highly resistant to pitting and crevice corrosion, making them suitable for applications in corrosive environments and chloride-containing solutions.
What are the available sizes and dimensions of 6mo Welded Tubes?
6mo Welded Tubes are available in a wide range of sizes and dimensions, ranging from small diameters to larger sizes, depending on the manufacturer and specific requirements.
Can Werkstoff Nr. 1.4547 EFW Tube be used in oil and gas exploration and production?
Yes, Werkstoff Nr. 1.4547 EFW Tube are widely used in the oil and gas exploration and production industry for applications such as offshore platforms, pipelines, and subsea equipment due to their corrosion resistance and high strength.
Are Alloy 254 High Pressure Tube suitable for desalination and wastewater treatment plants?
Alloy 254 High Pressure Tube are suitable for desalination and wastewater treatment plants where corrosion resistance and resistance to chloride stress corrosion cracking are critical.
Do A213 UNS S31254 Cold Drawn Tube have good resistance to stress corrosion cracking?
Yes, A213 UNS S31254 Cold Drawn Tube exhibit good resistance to stress corrosion cracking, which is particularly important in environments containing chlorides and hydrogen sulfide (H2S).