JP2562740C - - Google Patents
Info
- Publication number
- JP2562740C JP2562740C JP2562740C JP 2562740 C JP2562740 C JP 2562740C JP 2562740 C JP2562740 C JP 2562740C
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- intergranular corrosion
- corrosion resistance
- added
- Prior art date
- 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 - Lifetime
Links
- 238000005260 corrosion Methods 0.000 claims description 78
- 229910052758 niobium Inorganic materials 0.000 claims description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 23
- 239000000567 combustion gas Substances 0.000 claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 229910052719 titanium Inorganic materials 0.000 claims description 21
- 239000010935 stainless steel Substances 0.000 claims description 16
- 229910052804 chromium Inorganic materials 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 10
- 229910052720 vanadium Inorganic materials 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 229910000529 magnetic ferrite Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 229910000859 α-Fe Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 description 78
- 239000010959 steel Substances 0.000 description 78
- 239000000463 material Substances 0.000 description 44
- 238000003466 welding Methods 0.000 description 27
- 230000000694 effects Effects 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000001235 sensitizing Effects 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 206010070834 Sensitisation Diseases 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000008313 sensitization Effects 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 238000005536 corrosion prevention Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 241000272534 Struthio camelus Species 0.000 description 1
- 229910034327 TiC Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 125000004429 atoms Chemical group 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 231100000078 corrosive Toxicity 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 231100000202 sensitizing Toxicity 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003245 working Effects 0.000 description 1
Family
ID=
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