Stainless Steel 904L Pipe & Fittings Manufacturers in India, Stainless Steel 904L Pipe & Fittingss Price, SS Pipe Price per kg, Stainless Steel 904L Pipe & Fittings pipe suppliers, Stainless Steel 904L Pipe & Fittingss Price, Stainless Steel 904L Pipe & Fittings Suppliers in UAE, Stainless Steel 904L Pipe & Fittings Suppliers UK, Stainless Steel 904L Pipe & Fittings Suppliers in Saudi Arabia, Stainless Steel 904L Pipe & Fittings Suppliers in Qatar, Stainless Steel 904L Pipe & Fittings Suppliers Australia.
Stainless Steel 904L Pipe & Fittings are high-performance alloys designed for superior corrosion resistance and durability. With a high nickel, chromium, and molybdenum content, SS 904L is ideal for handling aggressive chemical environments. These pipes and fittings are widely used in chemical, petrochemical, and marine applications where standard stainless steels may fail.
SS 904L Pipe & Fittings offer excellent resistance to stress corrosion cracking, pitting, and crevice corrosion. The addition of copper enhances its ability to withstand reducing acids, such as sulfuric acid, making it suitable for highly corrosive processes. These fittings ensure long-term reliability and minimal maintenance, which reduces operational costs.
Stainless Steel 904L pipe and fittings are high-alloy austenitic stainless steels designed for excellent corrosion resistance in highly aggressive environments. Known for their durability and versatility, 904L alloys are widely used in chemical processing, petrochemical, pharmaceutical, and marine applications where resistance to acidic and chloride-containing media is critical.
SS 904L contains approximately 19–23% chromium, 23–28% nickel, 1.5–2% copper, and 4–5% molybdenum, along with very low carbon content (<0.02%). The high nickel and copper content enhances resistance to strong reducing acids, while molybdenum improves resistance to pitting and crevice corrosion.
Stainless Steel 904L pipes and fittings are extensively used in chemical processing, desalination plants, offshore platforms, and pharmaceutical industries. They are preferred in environments where high corrosion resistance and mechanical strength are critical. The material’s versatility allows it to be used for flanges, elbows, tees, reducers, and other essential piping components.
SS 904L Pipe & Fittings are manufactured according to international standards such as ASTM A312, ASTM A182, and ASME B16.9. They are available in various sizes, schedules, and dimensions to meet specific project requirements. Each fitting undergoes strict quality control to ensure optimal performance in demanding environments.
904L pipe and fittings exhibit tensile strength ranging from 485–620 MPa and yield strength between 170–310 MPa. Elongation typically ranges from 35–45%, providing excellent ductility and toughness. These properties make 904L suitable for high-pressure and chemically aggressive piping systems.
The key advantage of 904L is its superior resistance to corrosion in aggressive environments, including sulfuric acid, hydrochloric acid, and chloride-rich solutions. It also resists pitting, crevice corrosion, and stress corrosion cracking, making it ideal for long-term use in chemical and marine applications.
Specification Table
| Property | Specification / Range |
|---|---|
| Grade | 904L |
| Material Type | Stainless Steel (High Alloy) |
| Standards | ASTM A312, ASTM A182, ASME B16.9, ASME B36.19 |
| Forms Available | Pipes, Tubes, Elbows, Tees, Reducers, Flanges |
| Size Range | 1/2" to 48" (DN 15 to DN 1200) |
| Schedule / Thickness | Sch 10, Sch 40, Sch 80, Sch 160, Custom Thickness |
| Surface Finish | Mill Finish, Polished, Pickled & Passivated |
| Corrosion Resistance | Excellent resistance to acids, chlorides, and seawater |
| Temperature Range | -200°C to 500°C (depending on application) |
Chemical Composition (Typical ranges for SS904L)
Note: Values are typical ranges. Final composition will be confirmed on MTC provided per lot.
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.02 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.03 max |
| Silicon (Si) | 1.00 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 | Value / Range |
|---|---|
| Tensile Strength (MPa) | 500 – 700 |
| Yield Strength (MPa) | 215 – 275 |
| Elongation (%) | 40 min |
| Hardness (HB) | 150 – 200 |
| Modulus of Elasticity (GPa) | 193 |
| Density (g/cm³) | 8.0 |
| Impact Strength (J) | 60 min (Charpy V-Notch) |
| Operating Temperature | -200°C to 500°C (depending on application) |
Equivalent Grades
| Standard / Specification | Equivalent Grade |
|---|---|
| AISI / ASTM | 904L |
| EN / DIN | 1.4539 |
| BS | 904S |
| JIS | SUS 904L |
| AFNOR | Z2CNDU17-12 |
| Others | UNS N08904 |
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) | Weight per Meter (kg/m) |
|---|---|---|---|
| 1/2" | 21.3 | 2.77 | 1.68 |
| 3/4" | 26.7 | 2.87 | 2.32 |
| 1" | 33.4 | 3.38 | 3.07 |
| 1 1/2" | 48.3 | 3.91 | 4.63 |
| 2" | 60.3 | 4.55 | 6.36 |
| 3" | 88.9 | 5.54 | 10.71 |
| 4" | 114.3 | 6.02 | 15.91 |
| 6" | 168.3 | 7.11 | 27.83 |
| 8" | 219.1 | 8.18 | 43.11 |
| 10" | 273.0 | 9.27 | 63.84 |
| 12" | 323.9 | 10.31 | 87.65 |
Types Of Stainless Steel 904L Pipe & Fittingss and Fittingss
SS 904L Seamless Pipe
SS 904L Welded Pipe
SS 904L ERW Pipe
SS 904LS EFW Pipe
Stainless Steel 904LS Seamless Fittings
904LH Stainless Steel Welded Fittings
904L Stainless Steel Capillary Fittings
904LH Stainless Steel Heat Exchanger Fittingss
Frequently Asked Questions (FAQ)
Q1: What is Stainless Steel 904L?
A1: Stainless Steel 904L is a high-alloy austenitic stainless steel with high nickel, chromium, and molybdenum content. It offers excellent resistance to corrosion, especially in acidic and chloride-containing environments.
Q2: What are the common applications of SS 904L pipes and fittings?
A2: SS 904L pipes and fittings are widely used in chemical processing, desalination plants, offshore platforms, pharmaceutical industries, and other industries requiring high corrosion resistance and durability.
Q3: What standards do SS 904L Pipe & Fittings comply with?
A3: They are manufactured according to international standards including ASTM A312, ASTM A182, ASME B16.9, and ASME B36.19, ensuring high-quality and reliability.
Pipes & Fittingss Supplier
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