Marine Grade Stainless Steel Pipe

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Marine Grade Stainless Steel Pipe Manufacturer, Supplier and Exporter in Houston , USA

Liam Pipes and Tubes is a well-respected manufacturer and supplier of Marine Grade Stainless Steel Pipes, proudly based in Houston, USA. They specialize in providing corrosion-resistant piping solutions that are tailor-made for the tough conditions found in marine and coastal environments. These pipes are crafted from top-notch stainless steel grades like 316, 316L, or duplex alloys, ensuring they can stand up to saltwater, humidity, and harsh chemicals. Liam Pipes and Tubes offers a variety of marine grade pipes in different sizes, wall thicknesses, and surface finishes, all while adhering to ASTM and ASME standards. Their products are commonly utilized in shipbuilding, offshore platforms, desalination plants, and marine infrastructure, guaranteeing long-lasting performance and reliability.

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Marine Grade Stainless Steel Pipes are generally constructed from stainless steel 316 or 316L, which contains about 16–18% chromium, 10–14% nickel, and 2–3% molybdenum. The inclusion of molybdenum significantly boosts resistance to pitting and crevice corrosion in environments rich in chloride. These pipes boast impressive mechanical properties, with tensile strength ranging from 515 to 620 MPa and yield strength close to 205 MPa, along with excellent ductility and impact resistance. The low carbon variant (316L) is particularly advantageous for welding, as it minimizes the risk of sensitization, making it ideal for welded structures that will face marine conditions.

Marine Grade Stainless Steel Pipe Specification

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.

Marine Grade Stainless Steel Pipes Size

PIPE SIZE	OD IN INCHES	A.S.A. Pipe Schedules
PIPE SIZE	OD IN INCHES	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

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Marine Grade Stainless Steel Pipes from Liam Pipes and Tubes?

Choosing Marine Grade Stainless Steel Pipes from Liam 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.

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Largest Marine Grade Stainless Steel Pipes Supplier in Houston , USA

Liam Pipes and Tubes, one of the largest suppliers of Marine Grade Stainless Steel Pipes in Houston , USA, 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 Pipes Chemical Composition

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	–

Marine Grade Stainless Steel Pipes Mechanical Properties

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

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Types of Marine Grade Stainless Steel Pipes

Marine Grade Stainless Steel Pipes Weight Chart

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	–	–	–

Are Custom Sizes Available for Marine Grade Stainless Steel Pipes?

Yes, we offer custom sizes for Marine Grade Stainless Steel Pipes to meet your specific requirements. Our team at Liam Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@liampipes.us.

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Marine Grade Stainless Steel Pipes find extensive use in industries that operate in or near seawater. They are commonly applied in shipbuilding for exhaust systems, ballast piping, and fuel lines, as well as in offshore oil rigs, seawater cooling systems, desalination plants, and dockside infrastructure. Additionally, they are utilized in marine HVAC systems, chemical transport piping, and underwater structural supports. Their remarkable ability to resist corrosion, endure high pressure, and handle temperature fluctuations makes them a vital material for ensuring long-term, maintenance-free performance in maritime and coastal applications.