| Customization: | Available |
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| After-sales Service: | Communicate with Us |
| Warranty: | Communicate with Us |
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LORK is a special stainless steel manufacturer with 20 years of manufacturing experience.
304LN/4311 is a low-carbon, higher nickel and nitrogen alloyed alternative to Core 304/4301 with improved strength and low-temperature toughness. Suitable for applications that require high tensile strength. is an austenitic stainless steel that belongs to the standard CrNi stainless steel family.
The austenitic CrNi standard grades are the most widely used group of stainless steels. Their well-balanced material properties make them suitable for the fabrication of many products. Due to its fully austenitic structure, Core 304LN/4311 is suitable for applications with low magnetic permeability requirements (µ < 1.005).
Stainless Steel 304LN Applications
304LN/4311 has excellent corrosion resistance in solutions of many halogen-free organic and inorganic compounds over a wide temperature and concentration range. It can withstand many organic and sufficiently diluted mineral acids depending on the temperature of the solution. Core 304LN/4311 may suffer from uniform corrosion in strong mineral acids and hot strong alkaline solutions.
In aqueous solutions containing halogenides, e.g. chlorides or bromides, pitting and crevice corrosion may occur depending on halogenide concentration, temperature, pH-value, concentration of oxidizing compounds, and crevice geometry, if applicable. The presence of corrosion-inhibiting or accelerating compounds like transition metal ions or organic compounds may influence the corrosion behavior of Core 304LN/4311. Due to its high nitrogen content, the resistance of Core 304LN/4311 against pitting and crevice corrosion is slightly increased compared to the basic austenitic CrNi standard grades 4301 and 4307.
Core 304LN/4311 is prone to chloride-induced stress corrosion cracking at temperatures over about 50 °C depending on the applied stress and the chloride concentration in the environment. Prior cold deformation of the structure under load increases the risk of stress corrosion cracking.
| C | Mn | Si | P | S | Cr | Ni | N | |
| 304L | 0.02 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18.0 -20.0 | 8.0-12.0 | 0.1 max |
| Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX | |
| 304L | 70 | 25 | 40 | 201 |
| 304LN stainless steel profile sizes and specifications | |
| Grade | 304LN |
| Specification | EN, DIN, JIS, ASTM, BS, ASME, AISI, ISO |
| Standard | ASTM A276/ASME SA276, ASTM A479/ASME SA479 & ASTM A164/ASME SA164 . |
| Stainless steel round Bar | Diameter: 2mm - 600mm |
| Stainless steel bright Bar | Diameter: 2mm - 600mm |
| Stainless steel hex Bar | Dimension: 6mm - 80mm |
| Stainless steel square bar | Dimension: 3.0 - 180mm |
| Stainless steel flat bar | Thickness: 0.5mm - 200mm, Width: 1.5mm - 250 mm |
| Stainless steel angle bar | as requirements |
| Length | Normally 6m, or produce as requirements |
| Surface | Black, Bright. Peeled and Polished, Solution annealed. |
| Delivery condition | cold drawn, hot rolled, forged, grinding, centerless grinding |
| Tolerance | H8, H9, H10, H11, H12, H13,K9, K10, K11, K12 or as per clients' requirements |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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