Stainless Steel 904L Instrumentation Tubes, SS 904L Instrumentation Tubes, 904L Stainless Steel Instrumentation Tube Manufacturer, SS 904L Instrumentation Tube Supplier, SS 904LInstrumentation Tube Exporter, Stainless Steel 904L Precision Tubing, SS 904L Small Diameter Tube ,SS 904L Instrumentation Tubes
Stainless Steel 904L Instrumentation Tubes are premium-grade austenitic stainless steel tubes known for their exceptional resistance to corrosion, especially in aggressive and demanding environments. Alloy 904L (UNS N08904) contains high levels of chromium, nickel, molybdenum, and copper, which provide superior resistance to a wide range of corrosive media, including sulfuric acid, chloride-rich conditions, and reducing acids. This makes 904L a reliable choice for applications where conventional stainless steels like 316L or 317L may fail.
These instrumentation tubes are designed with high precision and tight dimensional tolerances, making them suitable for use in critical instrumentation systems such as pressure measurement, fluid control, and flow monitoring. They are available in both seamless and welded forms, with surface finishes tailored to meet industry-specific requirements. The smooth internal surface of 904L tubes ensures minimal friction loss and contamination, which is vital in systems handling sensitive or high-purity fluids.
One of the key advantages of 904L tubing is its non-magnetic nature and excellent mechanical strength, even in extreme temperatures and corrosive environments. The alloy also exhibits good formability and weldability, allowing for easier fabrication and installation in complex instrumentation layouts. Its high resistance to pitting, crevice corrosion, and stress corrosion cracking makes it especially valuable in marine, offshore, and chemical processing industries.
Instrumentation tubes made from Stainless Steel 904L are commonly used in a wide range of applications, including chemical plants, refineries, pulp and paper facilities, seawater cooling systems, and oil & gas production platforms. Their long service life and low maintenance requirements contribute to reduced downtime and improved system reliability. Additionally, 904L complies with major international standards like ASTM A213, ASTM A269, and NACE MR0175, ensuring global compatibility and safety assurance.
Specification of Stainless Steel 904L Instrumentation Tubes
| Property | Details |
|---|---|
| Material Grade | Stainless Steel 904L (UNS N08904 / WNR 1.4539) |
| Type | Seamless / Welded |
| Outer Diameter (OD) | 1/8" to 1" (3.18 mm to 25.4 mm) |
| Wall Thickness | 0.02" to 0.12" (0.5 mm to 3.0 mm) |
| Length | Single Random, Double Random, or Custom Cut Lengths |
| Surface Finish | Bright Annealed (BA), Polished, Pickled, or Passivated |
| Standards | ASTM A213 / A269 / A312, ASME SA213 / SA269, EN 10216-5, DIN 17458 |
| Tolerances | As per ASTM A269 / EN 10216-5 / Customer Specifications |
| Temperature Range | -196°C to +400°C (Cryogenic to elevated temperatures) |
| Pressure Rating | Based on OD & wall thickness – up to 6000 psi (varies per application) |
| Hardness | ≤ 90 HRB (Typically annealed condition) |
| Form | Straight Tubes / Coiled Tubing |
| Corrosion Resistance | Excellent – especially to acids like H₂SO₄, H₃PO₄, HCl, and chloride media |
| Applications | Instrumentation lines, hydraulic lines, impulse piping, process control |
| Certifications | EN 10204 3.1 / 3.2, NACE MR0175, ISO 15156, PED |
Chemical Composition of Stainless Steel 904L Instrumentation Tubes
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Carbon (C) | – | 0.020 |
| Silicon (Si) | – | 1.00 |
| Manganese (Mn) | – | 2.00 |
| Phosphorus (P) | – | 0.045 |
| Sulfur (S) | – | 0.035 |
| 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 | Balance |
In summary, Stainless Steel 904L Instrumentation Tubes offer a robust solution for industries requiring high corrosion resistance, excellent strength, and precision performance. With their ability to perform under extreme environmental conditions, these tubes are a preferred choice for instrumentation and control systems in some of the world’s most demanding applications.
Specification of Stainless Steel 904L Instrumentation Tubes
| Property | Details |
|---|---|
| Material Grade | Stainless Steel 904L (UNS N08904 / WNR 1.4539) |
| Type | Seamless / Welded |
| Outer Diameter (OD) | 1/8" to 1" (3.18 mm to 25.4 mm) |
| Wall Thickness | 0.02" to 0.12" (0.5 mm to 3.0 mm) |
| Length | Single Random, Double Random, or Custom Cut Lengths |
| Surface Finish | Bright Annealed (BA), Polished, Pickled, or Passivated |
| Standards | ASTM A213 / A269 / A312, ASME SA213 / SA269, EN 10216-5, DIN 17458 |
| Tolerances | As per ASTM A269 / EN 10216-5 / Customer Specifications |
| Temperature Range | -196°C to +400°C (Cryogenic to elevated temperatures) |
| Pressure Rating | Based on OD & wall thickness – up to 6000 psi (varies per application) |
| Hardness | ≤ 90 HRB (Typically annealed condition) |
| Form | Straight Tubes / Coiled Tubing |
| Corrosion Resistance | Excellent – especially to acids like H₂SO₄, H₃PO₄, HCl, and chloride media |
| Applications | Instrumentation lines, hydraulic lines, impulse piping, process control |
| Certifications | EN 10204 3.1 / 3.2, NACE MR0175, ISO 15156, PED |
🏭 Industry & Application
- ✅ SS 904LInstrumentation Tubes for Medical Industry
- ✅ SS 904LInstrumentation Tubes for Chemical Processing
- ✅ SS 904L Tubes for Instrumentation Lines
- ✅ Stainless Steel 904L Instrumentation Tubes for Gas & Liquid Flow
- ✅ SS 904L Tubes for Heat Exchangers
❓ Frequently Asked Questions (FAQs)
Q1:What is Stainless Steel 904L, and why is it used in instrumentation tubing?
Stainless Steel 904L is a high-alloy, austenitic stainless steel with excellent corrosion resistance, particularly against strong reducing acids like sulfuric acid and in chloride-rich environments. It is used in instrumentation tubing due to its strength, durability, and resistance to pitting, crevice corrosion, and stress corrosion cracking.
Q2: What industries typically use 904L instrumentation tubes?
904L tubes are used in industries such as oil & gas, petrochemicals, marine, pharmaceuticals, chemical processing, pulp & paper, and desalination plants—anywhere harsh chemical environments exist and high reliability is critical.
Q3: What sizes are available for 904L instrumentation tubing?
904L instrumentation tubes are typically available in outer diameters from 1/8" to 1" (3.18 mm to 25.4 mm), with wall thicknesses from 0.02" to 0.12" (0.5 mm to 3.0 mm). Custom sizes can also be manufactured on request.
Stainless Steel 904L Instrumentation Tubes exporter
Stainless Steel 904L Instrumentation Tubes Exporter in Oman, Stainless Steel 904L Instrumentation Tubes Supplier in Oman, Stainless Steel 904L Instrumentation Tubes in Oman, Stainless Steel 904L Instrumentation Tubes Exporter in Saudi Arabia, Stainless Steel 904L Instrumentation Tubes Supplier in Saudi Arabia, Stainless Steel 904L Instrumentation Tubes in Saudi Arabia, Stainless Steel 904L Instrumentation Tubes Exporter in UAE, Stainless Steel 904L Instrumentation Tubes Supplier in UAE, Stainless Steel 904L Instrumentation Tubes in UAE, Stainless Steel 904L Instrumentation Tubes Exporter in Qatar, Stainless Steel 904L Instrumentation Tubes Supplier in Qatar, Stainless Steel 904L Instrumentation Tubes in Qatar, Stainless Steel 904L Instrumentation Tubes Exporter in Kuwait, Stainless Steel 904L Instrumentation Tubes Supplier in Kuwait, Stainless Steel 904L Instrumentation Tubes in Kuwait, Stainless Steel 904L Instrumentation Tubes Exporter in Bahrain, Stainless Steel 904L Instrumentation Tubes Supplier in Bahrain, Stainless Steel 904L Instrumentation Tubes in Bahrain, Stainless Steel 904L Instrumentation Tubes Exporter in Egypt, Stainless Steel 904L Instrumentation Tubes Supplier in Egypt, Stainless Steel 904L Instrumentation Tubes in Egypt, Stainless Steel 904L Instrumentation Tubes Exporter in South Africa, Stainless Steel 904L Instrumentation Tubes Supplier in South Africa, Stainless Steel 904L Instrumentation Tubes in South Africa, Stainless Steel 904L Instrumentation Tubes Exporter in Kenya, Stainless Steel 904L Instrumentation Tubes Supplier in Kenya, Stainless Steel 904L Instrumentation Tubes in Kenya, Stainless Steel 904L Instrumentation Tubes Exporter in Nigeria, Stainless Steel 904L Instrumentation Tubes Supplier in Nigeria, Stainless Steel 904L Instrumentation Tubes in Nigeria, Stainless Steel 904L Instrumentation Tubes Exporter in Spain, Stainless Steel 904L Instrumentation Tubes Supplier in Spain, Stainless Steel 904L Instrumentation Tubes in Spain, Stainless Steel 904L Instrumentation Tubes Exporter in Germany, Stainless Steel 904L Instrumentation Tubes Supplier in Germany, Stainless Steel 904L Instrumentation Tubes in Germany, Stainless Steel 904L Instrumentation Tubes Exporter in USA, Stainless Steel 904L Instrumentation Tubes Supplier in USA, Stainless Steel 904L Instrumentation Tubes in USA, Stainless Steel 904L Instrumentation Tubes Exporter in Canada, Stainless Steel 904L Instrumentation Tubes Supplier in Canada, Stainless Steel 904L Instrumentation Tubes in Canada.
Categories
Tag Cloud
At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions
Read More