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304LN Stainless Steel tube Specification
| Product Name | 304LN stainless steel tube |
| Pipe Process Type | Seamless: Hot rolled, cold drawn, cold rolled, etc. Welded: ERW, SAW, EFW, etc. |
| Standard | DIN, BS, EN, ISO, GB, AISI, SAE, GOST, IS, KS, ANSI, AFNOR, UNI, CSA, AS/NZS. |
| Specification and Grades | Stainless Steel: ASTM A312, ASTM A269, ASTM A358, ASTM A778, ASTM A790 304, 304L, 316, 316L, 310, 317L, 321, 347, 410, 904L |
| Shape | Round, Square, Rectangular, Oval, Hexagonal, etc. |
| Size Range | OD: 6mm-2500mm WT: 1mm-150mm Length: 6m 9m 12m OR others |
| Application Industry | Oil and Gas, Construction, Water Supply and Treatment, Automotive, Power Generation, etc. |
| Pipe Ends | Plain End (PE), Beveled End (BE), Threaded End (TE), Grooved, Bell End, Tapered, Expanded. |
| Tolerance | As standards’ Requirements |
| Certification | GB/T19001-2016/ISO9001:2015 GB/T24001-2016/ISO14001:2015 GB/T 45001-2020/ISO 45001:2018 |
| Processing Service | Cutting, Bending, Threading, Welding, Grooving, Coating, Drilling, Galvanizing, Heat Treatment, Punching. |
| MOQ | 1 Ton |
| Packaging | Bundled, Wooden Cases, Plastic Wrapping, Plastic Caps, Palletized, Shrink Wrapped, Plastic Bagged, Steel Crates, Loose, Boxed. |
| Delivery Term | EXW, FOB, FCA, etc. |
| Delivery Time | 3-5 days for the regular models, and 7 to 10 working days for the special sizes and processing |
| Payment Term | T/T, L/C, D/P, etc. |
| Customization | Customization Available |
TP304LN stainless steel tube Chemical Structure
| Element | Composition Range (%) |
|---|---|
| Iron (Fe) | Balance |
| Chromium (Cr) | 16.00 - 18.00 |
| Nickel (Ni) | 8.00 - 10.50 |
| Nitrogen (N) | 0.10 - 0.20 |
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
AISI 304LN Stainless Steel tube Properties Table
| Property | Typical Values (at Room Temperature) |
|---|---|
| Tensile Strength | 515 - 690 MPa |
| Yield Strength (0.2% offset) | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness (Brinell) | ≤ 217 HB |
| Modulus of Elasticity | 193 GPa |
| Poisson's Ratio | 0.29 |
Others| National Standard | Grade |
|---|---|
| ASTM (United States) | ASTM A312 TP304LN |
| AISI/SAE (United States) | AISI/SAE 304LN |
| EN (European Union) | EN 1.4311, X2CrNiN18-10 |
| JIS (Japan) | JIS SUS 304LN |
| GB (China) | GB/T 20878-2007 06Cr18Ni12N |
EN 1.4311 stainless steel tube tolerance chart
| Dimensional Tolerance | Tolerance Range (mm) |
|---|---|
| Outer Diameter (OD) | +/- 0.75% or as specified |
| Wall Thickness (WT) | +/- 12.5% or as specified |
| Length | +/- 6.0 mm or as specified |
| Straightness | 1.5 mm per meter or as specified |
| Ovality (Out-of-Roundness) | Max 2.5% of OD or as specified |
| Surface Finish | As per ASTM A999/A999M or specified |
| Cut Length | +/- 3.0 mm or as specified |
304LN stainless steel tube application
| Application Area | Description |
|---|---|
| Chemical Processing | Used for transporting and storing corrosive chemicals and solutions. |
| Petrochemical Industry | Suitable for applications in refineries, gas processing, and more. |
| Food and Beverage Industry | Commonly used for food processing equipment due to its hygiene. |
| Pharmaceutical Industry | Used for manufacturing pharmaceutical and biotechnology equipment. |
| Oil and Gas Industry | Used in pipelines, offshore platforms, and equipment in harsh environments. |
| Heat Exchangers | Ideal for heat exchanger tubes due to its high-temperature resistance. |
| Automotive Exhaust Systems | Used for manufacturing exhaust pipes and components. |
| Architectural Applications | Used in construction for structural elements, handrails, and more. |
| Medical Instruments and Equipment | Used for manufacturing surgical instruments and medical devices. |
| Power Generation | Used in power plants for heat exchangers, boilers, and piping systems. |
| Water and Wastewater Treatment | Commonly used for pipes and tanks in water treatment facilities. |
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