JPS61190024A - 連続溶融亜鉛めつき軟鋼板の製造方法 - Google Patents

Info

Publication number

JPS61190024A

JPS61190024A JP3174585A JP3174585A JPS61190024A JP S61190024 A JPS61190024 A JP S61190024A JP 3174585 A JP3174585 A JP 3174585A JP 3174585 A JP3174585 A JP 3174585A JP S61190024 A JPS61190024 A JP S61190024A

Authority

JP

Japan

Prior art keywords

steel sheet

mild steel

hot

rolled

dip galvanized

Prior art date

1985-02-19

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.)

Granted

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• 229910001209 Low-carbon steel Inorganic materials 0.000 title claims abstract description 37
• 238000004519 manufacturing process Methods 0.000 title claims description 8
• 238000000137 annealing Methods 0.000 claims abstract description 25
• 239000002344 surface layer Substances 0.000 claims abstract description 23
• 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
• 239000010959 steel Substances 0.000 claims abstract description 20
• 239000010410 layer Substances 0.000 claims abstract description 10
• 238000005096 rolling process Methods 0.000 claims description 9
• 238000005246 galvanizing Methods 0.000 claims description 2
• 239000013078 crystal Substances 0.000 claims 1
• 238000001953 recrystallisation Methods 0.000 abstract description 18
• 238000005097 cold rolling Methods 0.000 abstract description 14
• 230000007547 defect Effects 0.000 abstract description 4
• 229910052748 manganese Inorganic materials 0.000 abstract description 3
• 230000037303 wrinkles Effects 0.000 description 14
• 238000005098 hot rolling Methods 0.000 description 11
• 239000000463 material Substances 0.000 description 7
• 238000000034 method Methods 0.000 description 6
• 238000000879 optical micrograph Methods 0.000 description 5
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
• HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
• 230000007423 decrease Effects 0.000 description 3
• 229910052725 zinc Inorganic materials 0.000 description 3
• 239000011701 zinc Substances 0.000 description 3
• -1 0.05% or less Inorganic materials 0.000 description 2
• 238000005452 bending Methods 0.000 description 2
• 239000003795 chemical substances by application Substances 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 239000012535 impurity Substances 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 238000002791 soaking Methods 0.000 description 2
• 239000000126 substance Substances 0.000 description 2
• 229910002091 carbon monoxide Inorganic materials 0.000 description 1
• 239000010960 cold rolled steel Substances 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 238000000227 grinding Methods 0.000 description 1
• 238000007654 immersion Methods 0.000 description 1
• 238000001000 micrograph Methods 0.000 description 1
• 229910052758 niobium Inorganic materials 0.000 description 1
• 238000012545 processing Methods 0.000 description 1
• 238000011160 research Methods 0.000 description 1
• 238000013000 roll bending Methods 0.000 description 1
• 239000006104 solid solution Substances 0.000 description 1
• 230000002269 spontaneous effect Effects 0.000 description 1
• 238000009864 tensile test Methods 0.000 description 1
• 238000004804 winding Methods 0.000 description 1
• 229910000859 α-Fe Inorganic materials 0.000 description 1

Cited By (2)