SS 316lmod Plate | Grade 724L 1.4435 Sheet, Supplier Manufacturer, Contact us to get price list, Sizes & Free Sample!
As an upgraded version of traditional 316L austenitic stainless steel, 316L Mod stainless steel plate has significantly improved corrosion resistance, mechanical strength and processing adaptability through precise alloy design and process optimization, becoming a key material in the fields of chemical industry, marine engineering and high-end equipment manufacturing.
SS 316lmod Sheet Supplier Manufacturer
HT PIPE is a well-established stockist and exporter, specializing in international trade for 15+ years. We deliver pipes, Stainless steel 316lmod plates, bars, and a full line of pipe fittings, flanges, and structural components. Get in touch for free price lists and technical data-we're here to assist.
Chemical composition of ss316lmod plate
| Element | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) | Carbon (C) | Silicon (Si) | Manganese (Mn) | Nitrogen (N) |
| Weight % | 17.0 – 19.5% | 13.0 – 15.0% | 2.50 – 3.00% | 0.020% | ≤0.40% | ≤2.00% | 0.10 – 0.16% |
Performance advantages of stainless steel 316lmod
Corrosion resistance upgrade of stainless steel 1.4435 plate
The critical pitting temperature (CPT) is 10-15℃ higher than that of 316L, and it can withstand media with Cl⁻ concentrations up to 30,000 ppm (such as concentrated seawater or industrial wastewater), in acidic oil and gas environments containing H₂S and CO₂, the resistance to sulfide stress corrosion cracking (SSCC) is significantly enhanced.
Strengthened mechanical properties of 316l mod sheet
room temperature tensile strength ≥550 MPa, allowing thinning of plate thickness (15-20% less than 316L), reducing equipment weight and material costs, while maintaining excellent low-temperature toughness (-196℃ impact energy ≥100 J).
Processing and welding adaptability of s316lmod sheet
Low sulfur content reduces the tendency of hot working cracks, and matching nitrogen-containing welding materials (such as ER316L Mod) can achieve corrosion resistance in the weld area consistent with the parent material, without the need for post-weld heat treatment.
Engineering application and maintenance of 316lmod stainless steel
Compatibility design of 316l mod plate
Avoid direct contact with carbon steel or low-alloy steel, use polyethylene gaskets or insulating coatings to prevent galvanic corrosion; bolt connections should use the same material or higher corrosion-resistant alloys (such as 625 alloy).
Surface protection of ss316lmod
Pickling and passivation (20% nitric acid + 2% hydrofluoric acid, 50℃×30 min) are required before installation to form a dense oxide film; epoxy coating or sacrificial anode protection can be added in marine environments.
Service monitoring of Grade 724L 1.4435
Regularly use penetrant testing (PT) to check stress concentration areas (such as openings and welds), and combine ultrasonic thickness measurement to monitor local corrosion rates; high temperature environments require monitoring of material creep deformation.
Abnormal working condition management of 316lmod
If the sulfide concentration in the medium exceeds the standard or the pH value changes suddenly, it is necessary to adjust the process parameters or add corrosion inhibitors (such as molybdates) to delay the corrosion process.
Industrial Applications
- Urea synthesis reactors and high-pressure piping loops
- Urea strippers, condensers, and scrubbers
- Agitators, pumps, and valves handling hot ammonium carbamate
- Nitric acid production components and chemical storage vessels
