JPS6125783B2 - - Google Patents

Info

Publication number

JPS6125783B2

JPS6125783B2 JP4906880A JP4906880A JPS6125783B2 JP S6125783 B2 JPS6125783 B2 JP S6125783B2 JP 4906880 A JP4906880 A JP 4906880A JP 4906880 A JP4906880 A JP 4906880A JP S6125783 B2 JPS6125783 B2 JP S6125783B2

Authority

JP

Japan

Prior art keywords

pickling

sulfuric acid

hot

rolled

acid solution

Prior art date

1980-04-14

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Links

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• 238000005554 pickling Methods 0.000 claims description 51
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 46
• 239000000243 solution Substances 0.000 claims description 26
• 238000000034 method Methods 0.000 claims description 22
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 16
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 14
• 229910017604 nitric acid Inorganic materials 0.000 claims description 14
• 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 13
• 239000007788 liquid Substances 0.000 claims description 12
• RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 7
• 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 7
• 229910052751 metal Inorganic materials 0.000 claims description 4
• 239000002184 metal Substances 0.000 claims description 4
• 239000011259 mixed solution Substances 0.000 claims description 4
• 238000007654 immersion Methods 0.000 claims description 3
• 229910001220 stainless steel Inorganic materials 0.000 claims description 2
• 239000010935 stainless steel Substances 0.000 claims description 2
• 229910001566 austenite Inorganic materials 0.000 claims 1
• CBXWGGFGZDVPNV-UHFFFAOYSA-N so4-so4 Chemical compound OS(O)(=O)=O.OS(O)(=O)=O CBXWGGFGZDVPNV-UHFFFAOYSA-N 0.000 description 11
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 10
• 239000007789 gas Substances 0.000 description 6
• 229910000831 Steel Inorganic materials 0.000 description 5
• 239000010959 steel Substances 0.000 description 5
• 238000012360 testing method Methods 0.000 description 5
• 238000010306 acid treatment Methods 0.000 description 4
• 229910052739 hydrogen Inorganic materials 0.000 description 4
• 239000000463 material Substances 0.000 description 4
• 235000003891 ferrous sulphate Nutrition 0.000 description 3
• 239000011790 ferrous sulphate Substances 0.000 description 3
• BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
• 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
• KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
• MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 230000003213 activating effect Effects 0.000 description 2
• GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 2
• 230000007797 corrosion Effects 0.000 description 2
• 238000005260 corrosion Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 2
• 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 2
• 239000002699 waste material Substances 0.000 description 2
• RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
• XWROUVVQGRRRMF-UHFFFAOYSA-N F.O[N+]([O-])=O Chemical compound F.O[N+]([O-])=O XWROUVVQGRRRMF-UHFFFAOYSA-N 0.000 description 1
• 239000003570 air Substances 0.000 description 1
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
• 238000005097 cold rolling Methods 0.000 description 1
• 239000012141 concentrate Substances 0.000 description 1
• 229910052802 copper Inorganic materials 0.000 description 1
• 239000010949 copper Substances 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 238000003912 environmental pollution Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 238000005098 hot rolling Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000007800 oxidant agent Substances 0.000 description 1
• 239000001301 oxygen Substances 0.000 description 1
• 229910052760 oxygen Inorganic materials 0.000 description 1
• 239000007921 spray Substances 0.000 description 1
• 239000002436 steel type Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1