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3/16 316 Stainless Steel Plate

3/16″ 316 Stainless Steel Plate

Tonghui offers 3/16 inch (approx. 4.76mm) thick 316 stainless steel plates. The core advantage lies in the addition of molybdenum, endowing it with excellent pitting and crevice corrosion resistance—especially ideal for chemical, marine and harsh environments. With a 2B precision ground finish, the plate features a smooth and flat surface, combined with superior strength and formability. It is a reliable choice for industrial applications requiring high corrosion resistance and structural stability. Customization of various specifications is available. Feel free to contact us!

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Price of 3/16 Inch (4.76mm) Thick 316 Stainless Steel Plate (Unit: USD)

The current mainstream market quotation is 2.20-3.50 USD per kilogram. A standard 48×96 inch (4×8 feet) plate (approximately 113 kg per plate) has a unit price of about 248-396 USD. The price is affected by multiple factors:
  1. Purchase Quantity: Bulk purchases of ≥1 ton entitle a 10%-15% discount, with the unit price as low as 1.90-2.80 USD per kilogram; retail purchases incur a 5%-8% premium.
  2. Specification Customization: Non-standard sizes and high-precision cutting require an 8%-12% price increase, and special surface treatments (e.g., polishing) incur additional costs.
  3. Market Fluctuations: Prices of nickel and molybdenum raw materials directly affect costs. Recent molybdenum price hikes have driven a slight increase in quotations, and short-term prices may remain volatile.
  • Material Grade: 316 Stainless Steel
  • Plate Thickness: 3/16 (0.1875) with a thickness tolerance of ±0.005
  • Standard Width: 48, 60, 72 (customizable to any width within the range of 12-144)
  • Standard Length: 96, 120, 144 (customizable to any length within the range of 24-240)
  • Dimensional Tolerance: Width/Length tolerance of ±0.125
  • Surface Finish: 2B Cold-Rolled Surface (smooth and flat with a roughness of Ra≤0.8μm)
  • Executive Standard: ASTM A240/A240M
  • Processing Adaptability: Supports plasma cutting, laser cutting, and water jet cutting, with a custom tolerance of ±0.003
  1. Corrosion Resistance: Contains molybdenum (Mo≥2.0%), offering superior pitting and crevice corrosion resistance compared to 304 stainless steel. It can withstand harsh environments such as seawater and acid-alkaline solutions without easy oxidation or rusting.
  2. Mechanical Properties: Tensile strength ≥515MPa, yield strength ≥205MPa, and elastic modulus around 193GPa. The 3/16 inch thickness balances excellent rigidity and toughness, ensuring stable load-bearing capacity.
  3. High-Temperature Resistance: Capable of continuous service at temperatures up to 870℃, maintaining excellent oxidation resistance and structural integrity under high temperatures. Suitable for manufacturing industrial equipment in medium-to-high temperature working conditions.
  4. Processability: Supports conventional processing like bending, cutting, and welding. The 2B surface is smooth and flat, delivering high dimensional accuracy after processing, which meets the forming requirements of complex working conditions.
  1. Marine Engineering: Resistant to seawater corrosion and marine atmospheric erosion, it is suitable for ship decks, offshore platform structural components, and seawater desalination equipment parts. The 3/16 inch thickness meets the structural support requirements in marine environments.
  2. Chemical Industry: Withstands corrosion from acid-alkaline solutions and chemical media, used for chemical reactor liners, corrosion-resistant pipelines, and storage tank shells, ensuring the stability and safety of chemical production.
  3. Food & Pharmaceutical Sector: Food-contact grade material, resistant to cleaning and disinfection with no harmful substances leaching. Applicable to food processing machinery, pharmaceutical equipment chambers, and medical device housings, complying with industry hygiene standards.
  4. Industrial Equipment: Boasts excellent high-temperature resistance and mechanical stability, utilized for high-temperature furnace accessories, heat exchanger components, and mechanical structural parts. Suitable for long-term use in medium-to-high temperature and heavy-load working conditions.

Q：Is 316 stainless steel high quality?

A：Yes, 316 stainless steel is undoubtedly a high-quality stainless steel grade, widely trusted in industrial and precision applications. Its premium quality lies in the addition of molybdenum (≥2.0%), which enhances superior corrosion resistance—outperforming 304 in resisting pitting, crevice corrosion, and harsh media like seawater and chemicals.

It boasts excellent high-temperature stability (up to 870℃ continuous service) and reliable mechanical properties (tensile strength ≥515MPa). Compliant with strict standards such as ASTM A240/A240M, it ensures consistent quality and performance, making it a top choice for critical sectors like marine engineering, pharmaceuticals, and aerospace.
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