What is food grade stainless steel?
There are many kinds of stainless steel, food grade stainless steel has its strict requirements,Raw materials are divided into main material and non-main material. The main material is the stainless steel part directly in contact with food, and its physical and chemical indexes and corresponding detection methods are explained.Five types of elements are specified in the physical and chemical indexes, which are lead Pb, chromium Cr, nickel Ni, cadmium Cd and arsenic As.
Choice of food grade stainless steel
When choosing food grade stainless steel tableware, premium 304 and 316 stainless steel are a better choice.304 and 316 stainless steels are austenitic stainless steels. Austenitic stainless steel harmful substances to food mobility is low, can resist the corrosion of various media, has high health and processing properties. It can make most parts of food and packaging machinery. Stainless steel products associated with "food" must use 304 and 316 stainless steel. 316 stainless steel is rarer than 304 stainless steel. This is an expensive high-end stainless steel. It is mainly used in high-end equipment, such as aerospace, food machinery and other fields. The commonly used food grade stainless steel in daily life is 304 stainless steel (also known as 18/8), with good acid and alkali resistance and strong corrosion resistance.
Food grade stainless steel plate chemical composition
| Chromium | Nickel | Carbon | Manganese | Phosphorus | Sulfer | Silicon | Nitrogen |
| 18.0 min.-20.0 max. | 8.0 min.-10.5 max. | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 0.10 |
Food grade stainless steel plate mechanical property
| Tensile Strengtd min | Yield Strengtd min | Elongation min | Hardness max |
| 75 ksi | 30 ksi | 40% | 95 HRB |
Food grade stainless steel plate specification
Grade | 201/202/301/303/304/304L/316/316L/321/309S/310S/401/409/410/420J1/420J2/430/439/443/444/630/631/904L/2205/2507/2520 etc | |||
Surface Finish | 2B, BA, NO.1, NO.4, 8K, HL, Embossing, Satin, Mirror, ect | |||
Standard | JIS/SUS/GB/DIN/ASTM/AISI/EN | |||
Technique | Cold Rolled; Hot Rolled | |||
Thickness | 0.3-4mm cold rolled; 3-100mm hot rolled; Customized according to customer requirements | |||
Width | 1000mm, 1219mm, 1240mm, 1500mm, 1800mm, 2000mm | |||
Length | 2000mm, 2438mm, 2500mm, 3000mm, 6000mm or as required | |||
Application | Interior/Exterior decoration; Architectur; Evevator; Kitchen; Ceiling; Cabinet; Advertising nameplate; Roof structure;Shipbuilding | |||
Lead Time | Normally 7-15 working days after the receipt of 30% deposit, according to the quantity | |||
Payment Terms | 30% TT for deposit,70% TT /70% LC at sight balance before shipment | |||
Price Terms | FOB, EXW, CIF, CFR | |||
Packing | Standard Sea Worthy Package or according to customer's requirements | |||
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Our steel products are mainly used in chemical industry, petrochemical industry, offshore, seawater pipeline, desalination plant, nuclear engineering, paper and pulp industry.
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