Marine Grade Stainless Steel Pipe
Arrow Piping Solutions is a leading manufacturer & supplier of Marine Grade Stainless Steel Pipes globally. Our pipes are specifically engineered for durability in harsh marine environments such as coastal and offshore applications. Made from premium alloys like chromium, nickel, and molybdenum, these pipes provide exceptional resistance to corrosion, saltwater, and marine chemicals.
Our Marine SS pipes meet international standards including ASTM and ASME, offering high tensile strength, impact resistance, and excellent mechanical performance under extreme conditions. With superior weldability and formability, they are widely trusted in marine infrastructure, shipbuilding, and offshore platforms.

Industrial Applications of Marine Grade Stainless Steel Pipe
- Marine Structures
- Shipbuilding & Docks
- Desalination Plants
- Offshore Platforms
- Chemical & Petrochemical
- Fluid & Exhaust Systems
Most Common Types
- Marine Grade 304 Stainless Steel Pipes
- Marine Grade 316/316L Stainless Steel Pipes
- Sch 40 Marine Exhaust Pipe
- Sch 80 Marine Grade SS Pipe
Marine Grade Stainless Steel Pipe Specifications
Size Range | 1/8″ (10.3 mm) to 12″ (323.8 mm) |
---|---|
Grades | TP 304, 316, 316L |
Schedule | 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S |
Finish | Satin, Bright (400#, 600#), Mirror, Mill (2B), Hairline (HL), Ti-gold, Dull |
Applications | Marine fittings, fasteners, fluid transport, seawalls, breakwaters |
Marine Grade Stainless Steel Pipe Dimension in MM
Nominal Pipe Size (inches) | OD (mm) | 5S Thickness (mm) | 10S Thickness (mm) | 40S Thickness (mm) | 80S Thickness (mm) |
---|---|---|---|---|---|
1/8 | 10.3 | – | – | 1.25 | 2.42 |
1/4 | 13.7 | – | – | 1.66 | 3.03 |
3/8 | 17.2 | – | – | 1.66 | 3.20 |
1/2 | 21.3 | 1.65 | 2.11 | 2.77 | 3.74 |
3/4 | 26.7 | 1.65 | 2.11 | 2.87 | 3.92 |
1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
1-1/4 | 42.2 | 1.65 | 2.77 | 3.56 | 4.86 |
1-1/2 | 48.3 | 1.65 | 2.77 | 3.69 | 5.08 |
2 | 60.3 | 1.65 | 2.77 | 3.92 | 5.54 |
2-1/2 | 73.0 | 2.11 | 3.05 | 5.16 | 7.01 |
3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
3-1/2 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
5 | 141.3 | 2.77 | 3.41 | 6.56 | 9.53 |
6 | 168.3 | 2.77 | 3.41 | 7.12 | 10.98 |
8 | 219.1 | 2.77 | 3.76 | 8.18 | 12.70 |
10 | 273.1 | 3.41 | 4.20 | 9.28 | 12.70 |
12 | 323.9 | 3.97 | 4.58 | 9.53 | 12.70 |
Marine Grade Stainless Steel Pipe Thickness Chart
Gauge | Thickness (inches) |
---|---|
22 | 0.028 |
20 | 0.035 |
19 | 0.042 |
18 | 0.049 |
17 | 0.058 |
16 | 0.065 |
15 | 0.072 |
14 | 0.083 |
13 | 0.095 |
12 | 0.109 |
11 | 0.120 |
10 | 0.134 |
9 | 0.148 |
8 | 0.165 |
7 | 0.180 |
Packing & Marking
Arrow Piping Solutions ensures safe packaging using wooden boxes, bubble wraps, and protective coatings to prevent damage during shipment. Each pipe is clearly labeled with grade, size, heat number, and specification for full traceability.
Quality Checks & Certifications
- Mill Test Certificates (MTC)
- Hydrostatic & Pressure Testing
- Impact & Pitting Resistance Testing
- Chemical Composition Analysis
- Ultrasonic Testing for Internal Defects
- Third-Party Inspections (TPI) Available
Looking for Fastest Delivery in Mumbai?
Searching for ready stock of Marine Grade Stainless Steel Pipes? Contact Arrow Piping Solutions for competitive pricing and timely dispatch across India.
Phone: +91-80973-20872
Email: inquiry@arrowpiping.co.in