Q315NS-Q345NS|Mene ne kayan ƙarfe mai jure acid

1. Gabatarwa na Q315NS karfe mai jure acid:
Saukewa: Q315NS
Sunan samfur: sulfuric acid resistant karfe don ƙananan zafin raɓa lalata
Matsayin gudanarwa: GB/T28907-2012
Girman, siffa, nauyi da halattaccen rarrabuwa na Q315NS yakamata su bi GB/T709.

2. Ma'anar Q315NS karfe mai jurewa acid:
Hanyar magana Q315NS: Q — harafin farko na pinyin Sinanci na “qu” a cikin ƙarfin yawan amfanin ƙasa;315-ƙananan yawan amfanin ƙasa na karfe, a cikin MPa;NS — harafin farko na pinyin Sinanci na “mai jurewa” da “acid” bi da bi.Q315NS karfe mai jure acid yana nufin ƙara wasu adadin abubuwan haɗakarwa zuwa ƙarfe don haɓaka juriya ga sulfuric acid da aka samar ta hanyar haɗin sulfur trioxide da ruwa a ƙasa da raɓa lokacin da ƙarfe ya fallasa ga iskar sulfuric (kamar bututun ƙarfe mai ɗauke da iskar gas).Ayyukan lalata.

3. Chemical abun da ke ciki na Q315NS acid-resistant karfe:
Material CSiMnPSCrCuSbQ345NS≤0.15≤0.55≤1.20≤0.035≤0.0350.30-1.200.20-0.50≤0.15

4. Mechanical Properties na Q315NS acid-resistant karfe: abu yawan amfanin ƙasa ƙarfi Ra MPa tensile ƙarfi Ra MPa elongation bayan karaya A% Q315NS≥315≥440≥22Q345NS≥345≥470≥20

5. Lalata juriya na Q315NS acid-resistant karfe:
Dangane da hanyar gwajin da aka ƙayyade a cikin JB/T7901, ƙimar lalata ba ta wuce 10mm/a (0.89mg/cm² * h, 30% dangane da ƙimar lalata ta Q235B a ƙarƙashin yanayin zafin jiki na 20 ℃, sulfuric). acid maida hankali na 20%, da kuma cikakken nutsewa na 24 hours);A karkashin yanayin zafin jiki 70 ℃ da cikakken nutsewa ga 24h, da talakawan lalata kudi ba fiye da 250mm / a (22.4mg / cm² * h, 50% dangi zuwa Q235B lalata kudi).


Lokacin aikawa: Dec-21-2021