CN114941109A - 钣金用耐蚀钢板 - Google Patents
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 title claims abstract description 14
- 239000010935 stainless steel Substances 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 9
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 238000005271 boronizing Methods 0.000 claims description 10
- 238000005238 degreasing Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 13
- 238000005260 corrosion Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- SRWFBFUYENBCGF-UHFFFAOYSA-M sodium;chloride;hydrochloride Chemical compound [Na+].Cl.[Cl-] SRWFBFUYENBCGF-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
- C23C8/62—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes only one element being applied
- C23C8/68—Boronising
- C23C8/70—Boronising of ferrous surfaces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
本发明公开了钣金用耐蚀钢板，其特征在于，包括以下质量份组分，C：0.04％‑0.055％，Si：0.18％～0.22％，Cr：14‑17％，P≤0.02％，S≤0.01％，Mn：0.45‑0.55％,Cu:0.03‑0.05％，Ti：0.05‑0.07％，Nb：0.08‑0.1％，Mo：0.02‑0.06％，其余为Fe和不可避免的杂质，本方案中优选组分及量比关系，成型的钢板在耐腐蚀及力学性能上得到的较大提升。
Description
技术领域
本发明涉及材料技术领域，具体涉及钣金用耐蚀钢板。
背景技术
Q235牌号的钢材由于具有良好的综合力学性能及良好的工艺性能，对此常用在折弯等钣金件中，但该牌号的钢材在耐腐蚀性能上较差，且力学性能上也有待继续加强。对此市面上企业不断改进组分配方或制备工艺等。部分企业在组分中添加Cr、Mo等元素，获得了耐腐蚀性能的小幅提升，但并不能满足需求，需改进。
发明内容
为解决上述至少一个技术缺陷，本发明提供了如下技术方案：
本申请文件公开钣金用耐蚀钢板，其特征在于，包括以下质量份组分，C：0.04％-0.055％， Si：0.18％～0.22％，Cr：14-17％，P≤0.02％，S≤0.01％，Mn：0.45-0.55％,Cu:0.03-0.05％， Ti：0.05-0.07％，Nb：0.08-0.1％，Mo：0.02-0.06％，其余为Fe和不可避免的杂质。
本方案中优选组分及量比关系，成型的钢板在耐腐蚀及力学性能上得到的较大提升。具体而言，Cr、Mo配合促使钝化膜的成型，增强耐点蚀性，Mn、Cu等元素辅助降低点蚀速率且起到固溶强化的作用，Ti、Nb等元素固定C、N提高力学性能且还起到抑制晶界腐蚀的作用， P固溶于基体以提高强度，S易于基体中Mn元素形成夹杂物，因此控制其含量。
进一步，Mn：0.45-0.55％,Cu:0.04-0.045％，Ti：0.05-0.058％，Nb：0.08-0.1％，Mo： 0.04-0.06％。在该优选范围内，综合性能进一步提升。
进一步，P：0.01-0.015％，S：0.007-0.009％。
进一步，C：0.04％-0.045％，，Si：0.18％～0.19％，Cr：16-17％，Mn： 0.45-0.55％,Cu:0.04-0.045％，Ti：0.05-0.058％，Nb：0.08-0.1％，Mo：0.04-0.06％。优选组分，综合性能优异。
进一步，成型的钢板进行渗硼处理，通过渗硼处理促使力学性能及耐蚀性等进一步提升。
进一步，渗硼处理前，进行热清洗、脱脂处理。
进一步，渗硼处理后钢板组分：C：0.04％-0.055％，Si：0.18％～0.22％，Cr：14-17％， P≤0.02％，S≤0.01％，Mn：0.45-0.55％,Cu:0.03-0.05％，Ti：0.05-0.07％，Nb：0.08-0.1％， Mo：0.02-0.06％，B：0.001-0.003％，其余为Fe和不可避免的杂质。
与现有技术相比，本发明的有益效果：
1、本发明优选组分及量比关系，成型的钢板适用于钣金件，且力学性能及耐蚀性能等大幅提升。
具体实施方式
下面结合具体实施例对本发明作进一步说明。
以下实施例中，钢板的制备工序为熔炼铸锭制备圆棒，将连铸坯以热轧、退火、冷轧及退火的工序制备钢板，上述工序为常见工序，各工序参数依据常规即可，本文不再赘述。
对于渗硼处理而言，具体而言，包括热清洗的步骤、脱脂处理的步骤、渗硼步骤。
其中热清洗步骤中采用高压水枪喷洒热水冲洗板材，水温在80-85℃。
脱脂处理步骤中将冲洗后板材浸没入除油液中，该过程中以超声波处理20mi n，除油后以清水清洗，之后浸入含脱脂剂的脱脂池中20min。脱脂后以清洗冲洗。
渗硼步骤采用公开技术，具体来说：第一、以超音速微粒轰击技术对钢板面进行喷丸处理，工作气压0.6MPa，直径为0.3mm的不锈钢弹丸，轰击时间为15min。
第二、喷丸处理后钢板在超声波清洗机中清洗。
第三、将钢板埋入含粉末渗硼剂的密封罐中，其中以质量计，粉末渗硼剂为碳化硼12％、氟硅酸钠13％、活性炭20％、碳化硅余量。在炉体中升温580±5℃，保温2h，之后随炉升温至820±10℃，继续保温2h进行渗硼处理，渗硼完成后自然冷却即可。
各实施例的组分比例如表1所示，其中实施例1、实施例2为无渗硼处理钢板，实施例3、对比例2为渗硼处理后钢板。
表1
注：上述杂质指不可避免的杂质；组分为％计。
对上述制备的钢板进行性能的测试，具体包括耐盐雾腐蚀，依据GB/T10125-1997标准。耐三氯化铁腐蚀，依据GB/T17987-1999标准。盐酸氯化钠均匀腐蚀，依据常规检测方法，检测性能如表2所示。
表2
注：腐蚀速率单位g/(m2×h)，抗拉强度、屈服强度单位MPa。
从表2可以看出，本方案制备的钢板在力学性能如抗拉强度、屈服强度等提升明显，且耐蚀性能提升明显。
以上仅是本发明的优选实施方式，本发明的保护范围并不仅局限于上述实施例，凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理前提下的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。
Claims (7)
1.钣金用耐蚀钢板，其特征在于，包括以下质量份组分，C：0.04％-0.055％，Si：0.18％～0.22％，Cr：14-17％，P≤0.02％，S≤0.01％，Mn：0.45-0.55％,Cu:0.03-0.05％，Ti：0.05-0.07％，Nb：0.08-0.1％，Mo：0.02-0.06％，其余为Fe和不可避免的杂质。
2.如权利要求1所述的钣金用耐蚀钢板，其特征在于：Mn：0.45-0.55％,Cu:0.04-0.045％，Ti：0.05-0.058％，Nb：0.08-0.1％，Mo：0.04-0.06％。
3.如权利要求1所述的钣金用耐蚀钢板，其特征在于：P：0.01-0.015％，S：0.007-0.009％。
4.如权利要求3所述的钣金用耐蚀钢板，其特征在于：C：0.04％-0.045％，，Si：0.18％～0.19％，Cr：16-17％，Mn：0.45-0.55％,Cu:0.04-0.045％，Ti：0.05-0.058％，Nb：0.08-0.1％，Mo：0.04-0.06％。
5.如权利要求1所述的钣金用耐蚀钢板，其特征在于：成型的钢板进行渗硼处理。
6.如权利要求5所述的钣金用耐蚀钢板，其特征在于：渗硼处理前，进行热清洗、脱脂处理。
7.如权利要求5所述的钣金用耐蚀钢板，其特征在于：渗硼处理后钢板组分：C：0.04％-0.055％，Si：0.18％～0.22％，Cr：14-17％，P≤0.02％，S≤0.01％，Mn：0.45-0.55％,Cu:0.03-0.05％，Ti：0.05-0.07％，Nb：0.08-0.1％，Mo：0.02-0.06％，B：0.001-0.003％，其余为Fe和不可避免的杂质。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243354A1 (en) * | 2003-08-19 | 2006-11-02 | Jfe Steel Corporation | High strength stainless steel pipe excellent in corrosion resistance for use in oil well and method for production thereof |
| CN103154292A (zh) * | 2010-10-08 | 2013-06-12 | 杰富意钢铁株式会社 | 耐腐蚀性和导电性优异的铁素体系不锈钢及其制造方法、固体高分子型燃料电池隔板以及固体高分子型燃料电池 |
| CN104451536A (zh) * | 2014-12-12 | 2015-03-25 | 西安理工大学 | 一种q235钢快速渗硼的方法 |
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- 2022-06-30 CN CN202210769290.0A patent/CN114941109A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060243354A1 (en) * | 2003-08-19 | 2006-11-02 | Jfe Steel Corporation | High strength stainless steel pipe excellent in corrosion resistance for use in oil well and method for production thereof |
| CN103154292A (zh) * | 2010-10-08 | 2013-06-12 | 杰富意钢铁株式会社 | 耐腐蚀性和导电性优异的铁素体系不锈钢及其制造方法、固体高分子型燃料电池隔板以及固体高分子型燃料电池 |
| CN104451536A (zh) * | 2014-12-12 | 2015-03-25 | 西安理工大学 | 一种q235钢快速渗硼的方法 |
| CN110747401A (zh) * | 2019-12-10 | 2020-02-04 | 马鞍山钢铁股份有限公司 | 一种具有耐海水冲刷腐蚀性能管线钢热轧钢带及其生产方法 |
Non-Patent Citations (1)
| Title |
|---|
| 徐有恒: "《煤炭工业材料学》", 徐州：中国矿业大学出版社, pages: 48 * |
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