AISI 316L 1.4404 2 *2000*1000mm Plate

Here's an overview of a plate made from AISI 316L stainless steel (also known as 1.4404), with dimensions 2000mm x 1000mm. This will cover its composition, mechanical properties, applications, manufacturing process, quality control, and common questions:

Composition of AISI 316L Stainless Steel (1.4404):

Chromium (Cr): 16-18%

Nickel (Ni): 10-14%

Molybdenum (Mo): 2-3%

Carbon (C): 0.03% maximum

Manganese (Mn): 2.0% maximum

Silicon (Si): 1.0% maximum

Phosphorus (P): 0.045% maximum

Sulfur (S): 0.03% maximum

Mechanical Properties:

Tensile Strength: 485-620 MPa (70.4-90 ksi)

Yield Strength (0.2% Offset): 170-310 MPa (24.7-45 ksi)

Elongation: 40-50%

Hardness (Brinell): 149-212 HB

Applications:

Chemical and Petrochemical Industries: Used in equipment such as reactors, storage tanks, and pipelines due to its corrosion resistance to various chemicals, acids, and chlorides.

Food Processing: Plates are used in food processing equipment and pharmaceutical industries due to its corrosion resistance and hygienic properties.

Marine Applications: AISI 316L stainless steel is highly resistant to corrosion in marine environments, making it suitable for marine equipment, boat fittings, and offshore structures.

Medical Devices: Used in medical implants, surgical instruments, and biomedical devices due to its biocompatibility and resistance to body fluids.

Manufacturing Process:

Material Preparation: Start with high-quality AISI 316L stainless steel sheets or coils.

Cutting: Cut the steel to the desired dimensions using shearing, sawing, or laser cutting.

Forming: Shape the plate using processes such as hot rolling, cold rolling, or pressing.

Heat Treatment: Anneal the plate to relieve stress and improve its mechanical properties.

Surface Treatment: Finish the surface of the plate through processes such as pickling, passivation, or polishing.

Quality Control (QC):

Material Inspection: Verify the chemical composition and mechanical properties of the raw material.

Dimensional Inspection: Ensure the plate meets the specified dimensions, including length, width, and thickness.

Surface Inspection: Check for surface defects, such as scratches, pits, or contamination.

Mechanical Testing: Conduct tensile tests, hardness tests, and impact tests to verify mechanical properties.

Corrosion Resistance Testing: Perform corrosion tests to evaluate the plate's resistance to various corrosive environments.

Common Questions and Answers (Q&As):

Q: Can AISI 316L stainless steel be welded?

A: Yes, AISI 316L is readily weldable using common welding techniques such as TIG (tungsten inert gas) welding and MIG (metal inert gas) welding.

Q: What is the difference between AISI 316 and AISI 316L?

A: AISI 316L contains lower carbon content than AISI 316, making it more resistant to sensitization and reducing the risk of intergranular corrosion.

Q: Is AISI 316L suitable for high-temperature applications?

A: AISI 316L has good resistance to oxidation and scaling at elevated temperatures, making it suitable for intermittent high-temperature service up to 870°C (1600°F).

This overview provides insights into the composition, properties, applications, manufacturing process, quality control, and common questions related to a plate made from AISI 316L stainless steel (1.4404) with dimensions 2000mm x 1000mm. If you have further inquiries or need more specific details, feel free to ask!

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