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18/8 stainless steel, 18/8 refers to 18% chromium (Cr) and 8% nickel (Ni), is a food-grade material widely used in cookware, tableware and various kitchen appliances. It has a golden ratio of 18% chromium to 8% nickel, which creates the extraordinary comprehensive properties of 18/8 stainless steel. Chromium forms a protective oxide layer to prevent rust and corrosion, while nickel enhances the strength and durability of the steel.

The most widely known and applied standard grade of 18/8 stainless steel is AISI 304 (American standard) or SUS 304 (Japanese standard). In China, the corresponding common grades are 06Cr19Ni10 (new national standard) or 0Cr18Ni9 (old national standard). When we mention 304 stainless steel, we are essentially referring to this austenitic stainless steel with 18/8 composition.

Top corrosion resistance: Its ability to resist daily oxidation (rust), a variety of weak acids and alkalis (such as vinegar, juice, detergents), and a certain degree of salt erosion far exceeds that of ordinary steel, making it an ideal choice for food contact and humid environments.

Excellent hygienic performance: The extremely smooth, dense, non-porous surface effectively inhibits bacterial growth and residue, and can withstand frequent and thorough cleaning and disinfection (including high-temperature steam, chemical disinfectants). It is the cornerstone of medical devices, catering utensils and food processing equipment.

High strength and durability: It has good mechanical strength, and can be further improved by cold processing (such as rolling) to ensure that the product is strong and durable.

Excellent high and low temperature tolerance: It can withstand the high temperature of kitchen cooking and maintain good toughness in low temperature environments.

Beautiful and easy to maintain: The surface is smooth, stains are not easy to adhere, and daily cleaning and maintenance are very simple.

Intrinsically non-magnetic: The austenite structure makes it basically non-magnetic in the annealed state.

Kitchenware and tableware core: the main materials for daily cooking and dining utensils such as pots, bowls, ladles, basins, spoons, forks, knives, sinks, countertops, and range hoods.

Food processing and storage pillars: brewing tanks, milk storage tanks, delivery pipelines, work surfaces, refrigerated display cabinets, commercial kitchen equipment and other core components with strict hygiene requirements.

Reliable choice for medical devices: surgical instruments, needles, sterilization trays, implants, dental tools and other key medical devices that require extremely high cleanliness and biocompatibility.

Architecture and decoration highlights: elevator panels, door and window accessories, decorative railings, curtain wall fasteners and other application scenarios that take into account both beauty and weather resistance.

Key components in the industrial field: chemical containers (corrosion-resistant), pharmaceutical equipment (sanitary), automotive exhaust components (heat-resistant), etc.

Preferred for household appliances: durable and corrosion-resistant components such as refrigerator liner, washing machine drum, water heater liner, microwave oven cavity, etc.

We are an integrated industrial and trade company that can produce steel independently and reduce costs.

From raw materials to finished products, we control quality throughout the process to ensure that the products meet customer requirements.

The combination of production and sales confidentiality can respond to orders quickly and shorten delivery time.

One-stop service, from consultation to production, and finally to after-sales service, provides all-round support.

We are self-produced, reducing dependence on external price fluctuations. In the face of sudden price increases, we can still deliver quickly and on time.

For inventory steel, we can provide preferential prices.

E-mail: info04@wanzhisteel.com

WhatsApp: +86 18736065220

Website: https://wanzhisteels.com

Factory: Binzhou City, Shandong Province, ChinaList item

Company: Erqi District, Zhengzhou City, Henan Province, China

Q: The difference between 18/8 stainless steel and 304 stainless steel

A: 304 stainless steel is standardized 18/8 stainless steel, with the same chemical composition and performance. However, 304 contains derivative products such as low-carbon 304L (welding corrosion protection) and high-carbon 304H (high temperature resistance).

Q: The difference between 18/8 stainless steel and 316

A: 316 contains 2-3% molybdenum, which significantly improves the corrosion resistance of chloride ions and is suitable for marine and chemical environments. 316 adds molybdenum, and the price is about 40% higher than 18/8.

Q: Will 18/8 stainless steel rust in daily use? What are the exceptions?

A: Under normal use, it will not rust, and the chromium oxide film can resist air, water, and common cleaning agents. However, long-term contact with high-concentration salt water, or soaking in strong acids and alkalis, or friction with carbon steel tools may cause corrosion and rust.

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