Home > Stainless Steel > Marine Grade Stainless Steel Pipe
Nestled in the industrial heart of Safat, Kuwait, Lathief Pipes has built a trusted reputation for supplying high-quality metal solutions. Among our standout offerings is Marine Grade Stainless Steel Pipe, engineered specifically to conquer the most challenging environments. We understand that reliability is non-negotiable in the marine and coastal sectors, which is why our pipes are crafted for exceptional durability and long-lasting performance, ensuring your projects are built with integrity from the inside out. Trust Lathief Pipes for materials that withstand the test of time.
The composition of marine-grade stainless steel, such as 316 or 316L, includes a crucial addition of molybdenum. This alloying element dramatically enhances resistance to pitting and corrosion, particularly against saltwater. Mechanically, these pipes offer impressive tensile strength and durability. They maintain structural integrity under high pressure and stress, while also providing good toughness for various fabrication needs, making them exceptionally reliable in demanding conditions.
| Size | 1/8″(10.3mm) to 12″(323.8mm) |
| Grades | TP -304, 316,316L, |
| Schedule | 5/5S,10/10S,20/20S,40/40S,80/80S,120/120S,160/160S according to ANSI B36.19/36.10 |
| Marine Grade Stainless Steel Pipe Applications | marine fittings, marine fasteners, and marine structures |
| Finish | Satin Finish(180#.240#.320#).,Bright Finish(400#,600#,mirror),Mill Finish(2B),Hairline-Finish(HL/Brushed),Ti-gold, Glossy matt,dull and so on. |
| 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 | .1871.304 | .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 | |||||||||||||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Marine Grade Stainless Steel Pipes from Lathief Pipes and Tubes ensures high-quality materials with excellent corrosion resistance and durability. Our products are tailored to meet diverse industry standards, offering reliability and versatility for various applications. Our commitment to customer service and timely delivery makes us a trusted supplier.
Lathief Pipes and Tubes, one of the largest suppliers of Marine Grade Stainless Steel Pipes in Safat, Kuwait, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
| Marine Grade Stainless Steel Pipe Grades | UNS | Si | Mn | S | C | P | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|---|
| TP304 | S30400 | 1 | 2 | 0.03 | 0.08 | 0.045 | 18.0-20.0 | 8.0-11.0 | – |
| TP304L | S30403 | 1 | 2 | 0.03 | 0.035 | 0.045 | 18.0-20.0 | 8.0-13.0 | – |
| Material | Tensile Strength | Yield Strength | Heat | Temperure | Elongation %, Min |
|---|---|---|---|---|---|
| Ksi (MPa), Min. | Ksi (MPa), Min. | Treatment | Min. | ||
| º F(º C) | |||||
| Stainless Steel | 75(515) | 30(205) | Solution | 1900 (1040) | 35 |
| Nominal | SS Square Pipe Schedule 5 | SS Square Pipe Schedule 10 | SS Square Pipe Schedule 40 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Inch | MM | Wt./MM | Kg./M | Kg./Ft | Wt./MM | Kg./M | Kg./Ft | Wt./MM | Kg./M | Kg./Ft |
| 1 / 2 | 21 | 1.65 | 0.801 | 0.244 | 2.11 | 0.999 | 0.305 | 2.77 | 1.270 | 0.387 |
| 3 / 4 | 21.30 | 1.65 | 1.020 | 0.311 | 2.11 | 1.280 | 0.390 | 2.87 | 1.680 | 0.512 |
| 1 | 26.70 | 1.65 | 1.290 | 0.393 | 2.77 | 2.090 | 0.637 | 3.38 | 2.500 | 0.762 |
| 1 1 / 4 | 33.40 | 1.65 | 1.650 | 0.503 | 2.77 | 2.690 | 0.820 | 3.56 | 3.380 | 1.030 |
| 1 1 / 2 | 42.20 | 1.65 | 1.900 | 0.579 | 2.77 | 3.110 | 0.948 | 3.68 | 4.050 | 1.230 |
| 2 | 48.30 | 1.65 | 3.340 | 0.728 | 2.77 | 3.920 | 1.200 | – | – | – |
| 2 1 / 2 | 73.00 | 2.11 | 3.690 | 1.130 | 3.05 | 5.260 | 1.600 | – | – | – |
| 3 | 88.90 | 2.11 | 4.510 | 1.380 | 3.05 | 6.450 | 1.970 | – | – | – |
| 3 1 / 2 | 101.60 | 2.11 | 5.190 | 1.580 | 3.05 | 7.400 | 2.260 | – | – | – |
Yes, we offer custom sizes for Marine Grade Stainless Steel Pipes to meet your specific requirements. Our team at Lathief Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@lathiefpipes.com.
You’ll find Marine Grade Stainless Steel Pipes being widely utilized in shipbuilding, offshore oil and gas platforms, desalination units, seawater piping systems, heat exchangers, and ballast systems. They’re also a popular choice for coastal architectural structures, chemical processing, and marine equipment manufacturing. Thanks to their exceptional corrosion resistance, mechanical strength, and long service life, these pipes guarantee safe and efficient performance in the demanding conditions of marine and industrial environments.
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