Introduction
Stainless steel grade 304 is the most commonly used stainless steel. Stainless steel grade 304LN is a nitrogen-strengthened version of stainless steel grade 304.
304LN coiled tubing capillary tubing
Stainless steel grade 304 is undoubtedly the most widely used stainless steel in various industries. Its exceptional properties, including high corrosion resistance, excellent durability, and ease of fabrication make it a top choice for many applications. However, if you’re looking for even greater strength and toughness, then stainless steel grade 304LN might be just what you need. This nitrogen-strengthened version of grade 304 offers improved mechanical properties and enhanced resistance to pitting and crevice corrosion. Whether you’re working on a project that requires superior performance or simply want to ensure long-lasting quality in your products, both grades offer outstanding benefits that are hard to beat. So why settle for anything less than the best? Choose stainless steel grades 304 or 304LN today!
304LN coiled tubing capillary tubing
The following datasheet provides an overview of grade 304LN stainless steel.
Chemical Composition
304LN coiled tubing capillary tubing
The chemical composition of grade 304LN stainless steel is outlined in the following table.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 18-20 |
| Nickel, Ni | 8-12 |
| Manganese, Mn | 2 max |
| Silicon, Si | 1 max |
| Nitrogen, N | 0.1-0.16 |
| Phosphorous, P | 0.045 max |
| Carbon, C | 0.03 max |
| Sulfur, S | 0.03 max |
| Iron, Fe | Remainder |
Mechanical Properties
The mechanical properties of grade 304LN stainless steel are displayed in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 515 MPa | 74694 psi |
| Yield strength | 205 MPa | 29732 psi |
| Elongation at break (in 50 mm) | 40% | 40% |
| Hardness, Brinell | 217 | 217 |
| Hardness, Rockwell B | 95 | 95 |
Other Designations
Equivalent materials to grade 304LN stainless steel are given below.
| ASTM A182 | ASTM A213 | ASTM A269 | ASTM A312 | ASTM A376 |
| ASTM A240 | ASTM A249 | ASTM A276 | ASTM A336 | ASTM A403 |
| ASTM A193 (B8LN, B8LNA) | ASTM A194 (8LN, 8LNA) | ASTM A320 (B8LN, B8LNA) | ASTM A479 | ASTM A666 |
| ASTM A688
|
ASTM A813
|
ASTM A814
|
DIN 1.4311
|
|
Applications
Grade 304LN stainless steel is widely used in the following applications:
- Heat exchangers
- Chemical industry
- Food industry
- Petroleum industry
- Fabrication industry
- Nuclear industry
Post time: Apr-07-2023