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Sumer Metal Industries is a leading manufacturer, supplier, and exporter of premium Stainless Steel 904L Pipes & Tubes. Designed for high-performance applications, SS 904L offers exceptional corrosion resistance, high strength, and durability in harsh environments, making it ideal for chemical, petrochemical, and marine industries.
Our Stainless Steel 904L Pipes & Tubes are available in seamless and welded forms, catering to diverse industrial needs. The alloy’s high nickel and chromium content ensures superior resistance to pitting, crevice corrosion, and oxidizing agents, providing long-lasting service even under extreme operating conditions.
Stainless Steel 904L pipes and tubes are high-alloy austenitic stainless steels engineered for exceptional corrosion resistance in highly aggressive environments. Widely used in chemical, petrochemical, pharmaceutical, and marine industries, 904L pipes and tubes ensure long-term durability and reliable performance in critical piping systems.
904L contains approximately 19–23% chromium, 23–28% nickel, 1.5–2% copper, and 4–5% molybdenum, with very low carbon content (<0.02%). The high nickel and copper content enhances resistance to strong reducing acids, while molybdenum provides superior protection against pitting and crevice corrosion.

We manufacture SS 904L Pipes & Tubes in a wide range of sizes, thicknesses, and specifications, ensuring compatibility with international standards such as ASTM, ASME, and EN. Each product undergoes strict quality control and testing to guarantee precision, reliability, and performance.
As a trusted supplier in the Middle East, Sumer Metal Industries exports Stainless Steel 904L Pipes & Tubes to countries including the UAE, Saudi Arabia, Oman, Qatar, Kuwait, and Bahrain. Our logistics and supply chain management ensure timely delivery and complete customer satisfaction.
904L pipes and tubes exhibit tensile strength ranging from 485–620 MPa and yield strength between 170–310 MPa. Elongation typically ranges from 35–45%, offering excellent ductility and toughness. These mechanical properties make 904L suitable for high-pressure and highly corrosive industrial applications.
904L provides outstanding resistance to corrosion in aggressive environments, including sulfuric acid, hydrochloric acid, and chloride-containing solutions. It also resists pitting, crevice corrosion, and stress corrosion cracking, making it ideal for chemical processing, seawater, and marine applications.
Specification Table
Specification | Description |
---|---|
Material Grade | Stainless Steel 904L |
Standards | ASTM A312, ASTM A213, ASME SA312, ASME SA213, EN 10216-5 |
Type | Seamless & Welded Pipes & Tubes |
Size Range | 1/2" NB to 48" NB (DN 15 to DN 1200) |
Schedule/Thickness | Sch 5S to Sch 160, Custom Thickness Available |
Length | 6m, 12m, or as per customer requirement |
Surface Finish | Pickled & Passivated, Polished, or Mill Finish |
Application | Chemical, Petrochemical, Marine, Desalination, and High-Corrosion Industries |
Form | Round Pipes & Tubes |
Chemical Composition (Typical ranges for SS904L)
Note: Values are typical ranges. Final composition will be confirmed on MTC provided per lot.
Element | Composition (% by Weight) |
---|---|
Carbon (C) | 0.02 max |
Manganese (Mn) | 1.0 max |
Phosphorus (P) | 0.045 max |
Sulfur (S) | 0.03 max |
Silicon (Si) | 0.50 max |
Chromium (Cr) | 19.0 – 23.0 |
Nickel (Ni) | 23.0 – 28.0 |
Molybdenum (Mo) | 4.0 – 5.0 |
Copper (Cu) | 1.0 – 2.0 |
Iron (Fe) | Balance |
Mechanical Properties (Typical)
Property | Typical Value |
---|---|
Density | 8.0 g/cm³ |
Tensile Strength (UTS) | 520 – 750 MPa |
Yield Strength (0.2% offset) | 215 – 275 MPa |
Elongation (in 50 mm) | 40 – 50% |
Hardness (Brinell) | 150 – 190 HB |
Modulus of Elasticity | 193 GPa |
Melting Point | 1390 – 1425°C |
Poisson's Ratio | 0.27 – 0.30 |
Equivalent Grades
Standard | Equivalent Grade |
---|---|
ASTM / ASME | 904L, UNS N08904 |
EN (European Standard) | X1NiCrMoCu25-20-5 |
DIN (German Standard) | 1.4539 |
JIS (Japanese Standard) | SNCM 904L |
ISO | 904L |
Dimension & Weight Chart (Selected common sizes)
Below is a representative chart showing outside diameter, wall thickness, inside diameter, cross-sectional area of metal and calculated weight per metre (kg/m). Values are calculated using density = 7.93 g/cm³ and are for guidance — use actual MTC values for procurement & engineering.
Nominal Pipe Size (NPS) | Outside Diameter (mm) | Wall Thickness (mm) | Schedule | Weight per Meter (kg/m) |
---|---|---|---|---|
1/2" | 21.3 | 2.77 | Sch 40 | 1.23 |
3/4" | 26.7 | 2.87 | Sch 40 | 1.57 |
1" | 33.4 | 3.38 | Sch 40 | 2.11 |
2" | 60.3 | 3.91 | Sch 40 | 3.73 |
4" | 114.3 | 4.85 | Sch 40 | 8.10 |
6" | 168.3 | 6.55 | Sch 40 | 14.33 |
8" | 219.1 | 7.11 | Sch 40 | 19.79 |
10" | 273.0 | 8.18 | Sch 40 | 27.06 |
12" | 323.9 | 9.27 | Sch 40 | 34.84 |
Types Of Stainless Steel 904L Pipe & Tubes and Tubes

SS 904L Seamless Pipe

SS 904L Welded Pipe

SS 904L ERW Pipe

SS 904LS EFW Pipe

Stainless Steel 904LS Seamless Tube

904LH Stainless Steel Welded Tube

904L Stainless Steel Capillary Tube

904LH Stainless Steel Heat Exchanger Tubes
Frequently Asked Questions (FAQ)
Q1: What is Stainless Steel 904L?
A1: Stainless Steel 904L is a high-alloy austenitic stainless steel with excellent corrosion resistance, particularly in oxidizing and chloride environments. It contains high levels of nickel, chromium, molybdenum, and copper.
Q2: What are the common applications of SS 904L Pipes & Tubes?
A2: SS 904L Pipes & Tubes are widely used in chemical and petrochemical industries, marine applications, desalination plants, pharmaceutical industries, and high-corrosion environments.
Q3: What types of SS 904L Pipes & Tubes are available?
A3: They are available in seamless and welded forms, in various sizes, thicknesses, and lengths, adhering to ASTM, ASME, and EN standards.
Pipes & Tubes Supplier
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