JPH03146641A - 湿式りん酸製造装置用二相ステンレス鋳鋼 - Google Patents
湿式りん酸製造装置用二相ステンレス鋳鋼Info
- Publication number
- JPH03146641A JPH03146641A JP28307389A JP28307389A JPH03146641A JP H03146641 A JPH03146641 A JP H03146641A JP 28307389 A JP28307389 A JP 28307389A JP 28307389 A JP28307389 A JP 28307389A JP H03146641 A JPH03146641 A JP H03146641A
- Authority
- JP
- Japan
- Prior art keywords
- cast steel
- phosphoric acid
- less
- corrosion resistance
- duplex stainless
- 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.)
- Granted
Links
- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 16
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 38
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract 5
- 239000012535 impurity Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 45
- 230000007797 corrosion Effects 0.000 abstract description 45
- 230000003628 erosive effect Effects 0.000 abstract description 17
- 239000002002 slurry Substances 0.000 abstract description 13
- 239000000956 alloy Substances 0.000 abstract description 7
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract description 6
- 229910052804 chromium Inorganic materials 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 12
- 239000011651 chromium Substances 0.000 description 9
- 239000010440 gypsum Substances 0.000 description 7
- 229910052602 gypsum Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WAIPAZQMEIHHTJ-UHFFFAOYSA-N [Cr].[Co] Chemical compound [Cr].[Co] WAIPAZQMEIHHTJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 101150018425 Cr1l gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- -1 butrides Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28307389A JPH03146641A (ja) | 1989-11-01 | 1989-11-01 | 湿式りん酸製造装置用二相ステンレス鋳鋼 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28307389A JPH03146641A (ja) | 1989-11-01 | 1989-11-01 | 湿式りん酸製造装置用二相ステンレス鋳鋼 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03146641A true JPH03146641A (ja) | 1991-06-21 |
| JPH0541692B2 JPH0541692B2 (enrdf_load_stackoverflow) | 1993-06-24 |
Family
ID=17660858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28307389A Granted JPH03146641A (ja) | 1989-11-01 | 1989-11-01 | 湿式りん酸製造装置用二相ステンレス鋳鋼 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03146641A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08120413A (ja) * | 1994-10-26 | 1996-05-14 | Yasuki Seisakusho:Kk | ２相ステンレス鋳造部材およびその製造方法 |
| JPH08511829A (ja) * | 1993-06-21 | 1996-12-10 | サンドビック アクティエボラーグ | フェライト−オーステナイトステンレス鋼とその使用方法 |
| EP0937783A1 (en) * | 1998-02-18 | 1999-08-25 | Sandvik Aktiebolag | New use of a high strength stainless steel |
| WO2009054799A1 (en) * | 2007-10-26 | 2009-04-30 | Sandvik Intellectual Property Ab | Use of a duplex stainless steel in a phosphoric acid production system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021136A (enrdf_load_stackoverflow) * | 1973-06-26 | 1975-03-06 | ||
| JPS52153821A (en) * | 1976-06-17 | 1977-12-21 | Nippon Yakin Kogyo Co Ltd | High strength austenitic ferritic stainles steel |
| JPS57131347A (en) * | 1981-02-09 | 1982-08-14 | Sumitomo Metal Ind Ltd | Two-phase stainless steel for oil well pipe with superior corrosion resistance |
| JPS60165362A (ja) * | 1984-02-07 | 1985-08-28 | Kubota Ltd | 高耐食性高耐力二相ステンレス鋼 |
| JPS6389618A (ja) * | 1986-10-02 | 1988-04-20 | Nkk Corp | 高耐食性２相ステンレス鋼の製造方法 |
| JPS6431953A (en) * | 1987-07-28 | 1989-02-02 | Nidatsuku Kk | Two-phase cast stainless steel combining high yield strength with high corrosion resistance and heat treatment therefor |
-
1989
- 1989-11-01 JP JP28307389A patent/JPH03146641A/ja active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5021136A (enrdf_load_stackoverflow) * | 1973-06-26 | 1975-03-06 | ||
| JPS52153821A (en) * | 1976-06-17 | 1977-12-21 | Nippon Yakin Kogyo Co Ltd | High strength austenitic ferritic stainles steel |
| JPS57131347A (en) * | 1981-02-09 | 1982-08-14 | Sumitomo Metal Ind Ltd | Two-phase stainless steel for oil well pipe with superior corrosion resistance |
| JPS60165362A (ja) * | 1984-02-07 | 1985-08-28 | Kubota Ltd | 高耐食性高耐力二相ステンレス鋼 |
| JPS6389618A (ja) * | 1986-10-02 | 1988-04-20 | Nkk Corp | 高耐食性２相ステンレス鋼の製造方法 |
| JPS6431953A (en) * | 1987-07-28 | 1989-02-02 | Nidatsuku Kk | Two-phase cast stainless steel combining high yield strength with high corrosion resistance and heat treatment therefor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08511829A (ja) * | 1993-06-21 | 1996-12-10 | サンドビック アクティエボラーグ | フェライト−オーステナイトステンレス鋼とその使用方法 |
| JPH08120413A (ja) * | 1994-10-26 | 1996-05-14 | Yasuki Seisakusho:Kk | ２相ステンレス鋳造部材およびその製造方法 |
| EP0937783A1 (en) * | 1998-02-18 | 1999-08-25 | Sandvik Aktiebolag | New use of a high strength stainless steel |
| US6174386B1 (en) | 1998-02-18 | 2001-01-16 | Sandvik Ab | NaOH evaporator comprising at least one component formed by a high strength stainless steel |
| WO2009054799A1 (en) * | 2007-10-26 | 2009-04-30 | Sandvik Intellectual Property Ab | Use of a duplex stainless steel in a phosphoric acid production system |
| EP2215421A4 (en) * | 2007-10-26 | 2010-10-06 | Sandvik Intellectual Property | USE OF A STAINLESS DUPLEX STEEL IN A SYSTEM FOR THE PREPARATION OF PHOSPHORIC ACID |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0541692B2 (enrdf_load_stackoverflow) | 1993-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090624 Year of fee payment: 16 |
|
| LAPS | Cancellation because of no payment of annual fees |