Stainless steel is a very common metal material in our daily life, its stable nature, particularly resistant to corrosion, especially in some of the tableware, cups and utensils we use stainless steel, such as 304, 316, these will be indicated on the stainless steel products. Some will also write the letters “ss” “sus” in front of 304, so what’s going on here?
1, ss304 is what stainless steel
ss304 is the U.S. standard stainless steel material, where “ss” is stainless steel stainless steel abbreviation, commonly used in household appliances, architectural decoration, vehicle parts, medical equipment, food industry, like we use stainless steel cups, bowls is 304 stainless steel. 304 stainless steel is common A material, known as 18/8 stainless steel. It can withstand temperatures of 800 ° C, has good processing properties and high toughness.
2, ss304 and sus304 difference
These two materials are the same, except that ss304 is the standard for stainless steel in the United States, is produced in accordance with ASTM standards. sus304 is the Japanese standard, “sus” is the abbreviation of steel use stainless, is the Japanese JIS standard for stainless steel code, their content should are the same. National standard production is usually identified as 06Cr19Ni10. when you buy stainless steel products, look at the three signs can.
3, 304 stainless steel is food grade?
Not necessarily. 304 stainless steel is austenitic stainless steel, high temperature, corrosion resistance, in the food, medical, home decoration and industrial fields are useful. So 304 is only the brand name of stainless steel, not necessarily food grade. Food grade 304 stainless steel is 304 stainless steel that meets the standard for heavy metal precipitation, while ordinary 304 stainless steel does not pass the test of the national standard GB 9684.
