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Stainless Steel
304 and 304L Pipes
Virami Alloys Pvt. Established in 2010, we are the Manufacturer of Stainless Steel & Products. We are leading supplier of Stainless Steel 300 Series as well we Supplies High Nickel Alloy also Supply Grades like Flanges. Our customers appreciate the products for their durability, dimensional accuracy, high performance and quality. The aforementioned adaptors are demanded in the chemical industry, powerhouses, and offshore and onshore applications refineries steel plants cement plant fertilizer Industry.
What are Stainless Steel 304 Pipes and Stainless Steel 304L Pipes?
Stainless Steel 304 Pipes:
Composition: High resistance to oxidation and corrosion due to presence of 18% chromium, with the addition of approximately 8% nickel.
Applications: Various industrial applications (food processing, chemical processing), construction etc. Kitchen equipment, storage tanks and piping systems.
Properties: The material has good weld ability, formability and also can be heat treated to reach high strengths.
Stainless Steel 304L Pipes:
Composition: A little lower carbon content than 304, max % =0.03 [1]. A lower carbon content minimizes the possibility of having carbide precipitation during welding operations.
Applications: Commonly used for applications that need welding, such as piping systems and structural applications in corrosive environments.
Characteristics: Resistant to oxidation and suitable for applications with light welding as long as 304, it is used when heavy welding characteristics Type-304
Definition: 304 and 304L stainless steel pipe overview
304 Stainless Steel Pipe:
Definition: It is an austenitic alloy containing about 18% chromium and 8% nickel; this material constitutes one of the most commonly used stainless steel grades.
Key Characteristics:
- Corrosion Resistance: The ability to resist a broad range of chemicals and atmospheric conditions.
- Temperature Resistance: For it can resist high temperatures, it can be used in numerous uses.
- Fabric ability: Easy to machine, weld, and form.
Common Applications: The material is utilized in food processing and handling, chemical production and deployment, and architecture and kitchen equipment.
304L Stainless Steel Pipe:
Definition: It is the low carbon content of the 304 variant with a maximum carbon content of 0.03%. This material is better for reasons of weld ability and the risk of carbide precipitation reduces.
Key Characteristics:
- Improved Weld ability: The absence of carbon favours more frequent welding and this material is better in an environment filled with corrosive agents.
- Corrosion Resistance: The same as 304, but better in the area where the pipes were welded.
- And Fabric ability: It is also very easy to fabricate, durable, and strong.
Common Applications: The material is widely used in fields such as chemical treatments, the extraction and storage of oil and gas, and any industrial environment with heavy welding.
Chemical Composition Inconel X-750
| Element | % Present |
|---|---|
| Carbon (C) | 0.03 |
| Chromium (Cr) | 17.50 – 19.50 |
| Manganese (Mn) | 2.00 |
| Silicon (Si) | 1.00 |
| Phosphorous (P) | 0.045 |
| Sulphur (S) | 0.015b) |
| Nickel (Ni) | 8.00 – 10.50 |
| Nitrogen (N) | 0.10 |
| Iron (Fe) | Balance |
Differences: Major differences between 304 and 304L (carbon content, corrosion resistance)
The difference between 304 and 304LPremar Differences of Stainless Steel Grade SS.
Carbon Content:
304: With a maximum carbon content of 0.08%.304 L: Carbon content up to max 0.
Result: The addition of nitric acid in 304L can effectively avoid carbide precipitation during welding, which is more suitable for welded occasions.
Corrosion Resistance:
Offers good corrosion resistance, particularly in mildly corrosive environments. 304 It is resistant to oxidation and a number of chemicals.
304L: Similar to 304 with restricted carbon content and weld ability, which affect corrosion resistance. For a less critical job, 304L is the cheaper alternative and offers weld ability in more corrosive environments.
Weld Ability:
304 (UNS S30400) – This basic structure of steel offers good weld ability but can have issues with carbide precipitation in the heat-affected zone so post-weld heat treatment may be necessary.
304L: Superior weld ability, frequently utilized for long term welding applications to reduce the chance of intergranular corrosion in welded structures.
Applications:
Most popular choice for a wide variety of projects because of its high strength and moderate corrosion resistance. Common applications include Kitchen equipment, structural components & fasteners.
Protection against corrosion is extended for these stainless-steel grades. 304L: Best used in projects where welding is critical, as well as chemical processing industries and petrochemicals or those subject to extreme climates.