不銹鋼化學(xué)成分和影響
發(fā)布時間：2022-03-16 16:26:20來源：乾潤鋼球
很多接觸鋼球或五金的朋友，對不銹鋼產(chǎn)品的特性多多少少都有了解。而不銹鋼球的力學(xué)性能和化學(xué)性能主要是有材料本身的化學(xué)成分來決定的，比如，含Ni和Gr的金屬一般具有防銹防蝕的特性；有的特意多加一點P元素，金屬的硬度會增加， 脆性相對也會增大，從而影響產(chǎn)品的使用壽命。所以，一般S、P一般是作為有害物質(zhì)列出，一般不能超過0.03%和0.045%。以下為制造精密鋼球所以不銹鋼材質(zhì)，化學(xué)成分要求，僅作參考。如您有更好的建議和意見，敬請聯(lián)系我們乾潤鋼球銷售部王麗薩女士。謝謝！
AISI Number | C% | Si% | Mn% | Cr% | Ni% | Mo% | P% | S% | Property |
AISI 304 | 0.07Max | 1.00Max | 2.00Max | 17.0~19.0 | 8.0~10.5 | 0.045Max | 0.03Max | Slightly magnetic ,Flat surface HRC 25min. Better corrosion resistance than 4 series stainless steel | |
AISI 316 | 0.07Max | 1.00Max | 2.00Max | 16.5~18.5 | 10.5~13.5 | 2.00~2.50 | 0.045Max | 0.03Max | Slightly magnetic ,Flat surface HRC 25min.Better corrosion resistance than SS304specially against Sulfuric acid and ink/bleach/nitric acid |
AISI 420 | 0.07~0.25 | 1.00Max | 1.00Max | 12.0~14.0 | 0.045Max | 0.03Max | Magnetic,martensite steel.flat surface HRC 50min,better corrosion resistant than SS440 | ||
AISI 430 | 0.08Max | 1.00Max | 1.00Max | 15.5~17.5 | 0.045Max | 0.03Max | Ferritic stainless steel,bettercorrosion resistant than 3 seriesat higher temperatureFlat surface HRB 85 min | ||
AISI 440 | 0.95~1.20 | 1.00Max | 1.00Max | 16.0~18.0 | 0.045Max | 0.02Max | Martensite,fair corrosion to water,alcohol,oil and food product,flat surface HRC 58 min |