Stainless Steel & Grade Defination
All Stainless Steel Dinnerwares imported from Korea/Japan are made of SAE Grade 304 18/8 [Chronium/nickel] stainless.
It is Authentic & under licensed.
MyNobleBaby 的不锈钢餐具, 是从韩国及日本进口的.不锈钢餐具都是以 304 品级的不锈钢种制造的. 每样货品都拥有正品认证标签, 客户们可以安心购买.
Grade 200-202 Series - austenitic iron-chromium-nickel-manganese alloys. Low cost, rust when the outer chromium layer demolished. Oxidized over times (color turn into down/black).
Grade 304 - the most common; the classic 18/8 stainless steel as austenitic which are non-magnetic. Corrosion, oxidation & heat resistance. Carbon content less than 0.03%.
Grade 316 - Alloy addition of molybdenum to prevent specific forms of corrosion. For improved corrosion resistance at temperatures less than 60oC. Higher in cost compares with grade 304. Used in super grade cutlery.
Grade 410/420 Series - ferritic and martensitic alloys. Rusted over times. Used in knifes, bolts, nuts, screws, bushings, pump and valve parts and shafts, mine ladder rungs Low cost or similar cost to grade 200-202 & etc.
Grade 430 - a non-hardenable grade that combines good corrosion resistance, formability and useful mechanical properties. Used in Low cost sinks, decorative trim, washing machines, dishwashers, cookers (wok & pan), refrigerators, pipes & etc.
It is Authentic & under licensed.
MyNobleBaby 的不锈钢餐具, 是从韩国及日本进口的.不锈钢餐具都是以 304 品级的不锈钢种制造的. 每样货品都拥有正品认证标签, 客户们可以安心购买.
Grade 200-202 Series - austenitic iron-chromium-nickel-manganese
Grade 304 - the most common; the classic 18/8 stainless steel as austenitic which are non-magnetic. Corrosion, oxidation & heat resistance. Carbon content less than 0.03%.
Grade 316 - Alloy addition of molybdenum to prevent specific forms of corrosion. For improved corrosion resistance at temperatures less than 60oC. Higher in cost compares with grade 304. Used in super grade cutlery.
Grade 410/420 Series - ferritic and martensitic alloys. Rusted over times. Used in knifes, bolts, nuts, screws, bushings, pump and valve parts and shafts, mine ladder rungs Low cost or similar cost to grade 200-202 & etc.
Grade 430 - a non-hardenable grade that combines good corrosion resistance, formability and useful mechanical properties. Used in Low cost sinks, decorative trim, washing machines, dishwashers, cookers (wok & pan), refrigerators, pipes & etc.
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