JP3483773B2 - Hot water related equipment and electrical / mechanical parts using a copper-based alloy with excellent corrosion resistance and hot workability - Google Patents
Hot water related equipment and electrical / mechanical parts using a copper-based alloy with excellent corrosion resistance and hot workabilityInfo
- Publication number
- JP3483773B2 JP3483773B2 JP22655098A JP22655098A JP3483773B2 JP 3483773 B2 JP3483773 B2 JP 3483773B2 JP 22655098 A JP22655098 A JP 22655098A JP 22655098 A JP22655098 A JP 22655098A JP 3483773 B2 JP3483773 B2 JP 3483773B2
- Authority
- JP
- Japan
- Prior art keywords
- copper
- based alloy
- corrosion resistance
- dezincification
- hot water
- 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
- 239000010949 copper Substances 0.000 title claims description 35
- 238000005260 corrosion Methods 0.000 title claims description 35
- 230000007797 corrosion Effects 0.000 title claims description 34
- 229910045601 alloy Inorganic materials 0.000 title claims description 27
- 239000000956 alloy Substances 0.000 title claims description 27
- 229910052802 copper Inorganic materials 0.000 title claims description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 11
- 239000012535 impurity Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 description 13
- 239000010951 brass Substances 0.000 description 13
- 238000005242 forging Methods 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Landscapes
- Conductive Materials (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、腐食水溶液存在下で使
用しても黄銅の脱亜鉛腐食への優れた耐食性及び熱間加
工性に優れた銅基合金を用いた温水関連機器、電気・機
械部品に関する。BACKGROUND OF THE INVENTION The present invention relates to hot water-related equipment, electrical equipment, etc. using a copper-based alloy that has excellent corrosion resistance to hot-workability and excellent dezincification corrosion of brass even when used in the presence of a corrosive aqueous solution. about the mechanical part goods.
【０００２】[0002]
【従来の技術】一般に、Ｐｂ入り黄銅は、鍛造性などの
優れた性質から広く使用されているが、腐食液雰囲気中
で脱亜鉛腐食を起す欠点がある。そのために限られた用
途においてのみ使用されているのが実情である。従来よ
り使用されてきた耐脱亜鉛腐食黄銅は、満足な耐脱亜鉛
腐食性を示さないものであったり、或は、Ｆｅなどの製
造上の不可避不純物を極力低く抑えるため、原材料コス
トが高いバージン配合などをしなければならない等の課
題を有していた。2. Description of the Related Art Generally, brass containing Pb is widely used because of its excellent properties such as forgeability, but it has a drawback that it causes dezincification corrosion in a corrosive liquid atmosphere. Therefore, it is the fact that they are used only in limited applications. The dezincification corrosion-resistant brass that has been used conventionally does not exhibit satisfactory dezincification-corrosion resistance, or in order to keep inevitable impurities such as Fe in manufacturing as low as possible, virgin material costs high. There was a problem such as having to mix.
【０００３】[0003]
【発明が解決しようとする課題】本発明は、上記した実
情に鑑みて開発したものであり、その目的とするところ
は、Ｐｂ入り黄銅本来の鍛造性を有し、原材料コストを
より安価にしたものであり、優れた耐脱亜鉛腐食性を有
した銅基合金を提供すると共に、温水関連機器、電気・
機械部品に好適な銅基合金を提供するものである。SUMMARY OF THE INVENTION The present invention was developed in view of the above-mentioned circumstances, and an object thereof is to have original forgeability of brass containing Pb and to reduce raw material costs. In addition to providing a copper-based alloy with excellent dezincification corrosion resistance,
It is to provide a suitable copper-based alloy to the machine part products.
【０００４】[0004]
【課題を解決するための手段】上記の目的を達成するた
め、請求項１における発明は、Ｃｕ59.0〜62.0％、Ｐｂ
0.5〜4.5％、Ｐ0.05〜0.25％、Ｓｎ0.5〜2.0％、Ｎｉ0.
05〜0.30％を含有し、残りがＺｎと不可避不純物からな
る組成（以上重量％）を有した銅基合金を材料として温
水関連機器を製造するようにしたことを特徴とする耐食
性及び熱間加工性に優れた銅基合金を用いた温水関連機
器である。また、請求項２における発明は、Ｃｕ59.0〜
62.0％、Ｐｂ0.5〜4.5％、Ｐ0.05〜0.25％、Ｓｎ0.5〜
2.0％、Ｎｉ0.05〜0.30％を含有し、残りがＺｎと不可
避不純物からなる組成（以上重量％）を有した銅基合金
を材料として電気・機械部品を製造するようにしたこと
を特徴とする耐食性及び熱間加工性に優れた銅基合金を
用いた電気・機械部品である。 また、請求項３における
発明は、Ｃｕ59.0〜62.0％、Ｐｂ0.5〜4.5％、Ｐ0.05〜
0.25％、Ｓｎ0.5〜2.0％、Ｎｉ0.05〜0.30％、Ｔｉ0.02
〜0.15％を含有し、残りがＺｎと不可避不純物からなる
組成（以上重量％）を有した銅基合金を材料として温水
関連機器を製造するようにした銅基合金を用いた温水関
連機器である。In order to achieve the above object, the invention in claim 1 is Cu 59.0 to 62.0%, Pb
0.5-4.5%, P0.05-0.25%, Sn0.5-2.0%, Ni0.
Corrosion resistance and hot working, characterized in that a hot water-related equipment is manufactured by using a copper-based alloy containing 05 to 0.30% and the balance of Zn and unavoidable impurities (above weight%) It is a hot water related device that uses a copper-based alloy with excellent properties. The invention according to claim 2 is Cu59.0-
62.0%, Pb0.5-4.5%, P0.05-0.25%, Sn0.5-
A copper-based alloy containing 2.0%, Ni 0.05 to 0.30%, and a balance of Zn and unavoidable impurities (above wt%) is used as a material to manufacture electric / mechanical parts. It is an electrical / mechanical part that uses a copper-based alloy with excellent corrosion resistance and hot workability . Also, the invention in claim 3, Cu59.0~62.0%, Pb0.5~4.5%, P0.05~
0.25%, Sn 0.5 to 2.0%, Ni 0.05 to 0.30%, Ti 0.02
A hot water-related device using a copper-based alloy, which is made of a copper-based alloy containing 0.15% to 0.15% and a balance of Zn and inevitable impurities (above wt%). .
【０００５】上記した本発明における銅基合金の組成範
囲とその理由について説明をする。
Ｃｕ：Ｃｕ量を増加させる程、耐脱亜鉛腐食性は高まる
が、ＣｕはＺｎよりも材料単価が高価であり、原材料コ
ストを低く抑えるためであることと本発明合金の主用途
である熱間鍛造性も良好であることを考慮して、Ｃｕ組
成範囲を59.0〜62.0％とした。中でも、60.5〜61.5％の
範囲が好ましい。The composition range of the above-mentioned copper-based alloy in the present invention and the reason therefor will be described. Cu: The higher the Cu content, the higher the dezincification corrosion resistance, but Cu has a higher material unit price than Zn, and this is because the cost of the raw material is kept low, and the hot use which is the main application of the alloy of the present invention. Considering that the forgeability is also good, the Cu composition range was set to 59.0 to 62.0%. Above all, the range of 60.5 to 61.5% is preferable.
【０００６】Ｐｂ：Ｐｂは鍛造製品の切削加工性を向上
させるために添加する。0.5％以下では切削性が好まし
くなく、また、あまり多く添加すると引張り強さ、伸び
及び衝撃値が低下してしまうので、Ｐｂ組成範囲を0.5
〜4.5％とした。中でも、1.6〜2.4％の範囲が好まし
い。Pb: Pb is added to improve the machinability of the forged product. If it is less than 0.5%, the machinability is unfavorable, and if it is added too much, the tensile strength, elongation and impact value decrease.
~ 4.5%. Above all, the range of 1.6 to 2.4% is preferable.
【０００７】Ｐ：Ｐは、耐脱亜鉛腐食性を向上させるた
めに添加した。表１及び表２に示す様に添加する程、耐
脱亜鉛腐食性は向上するが、添加したＰの一部が堅くて
脆いＣｕ3Ｐ相として合金中に存在してしまうため、本
発明合金の主用途である鍛造性に悪影響を及ぼす事なく
満足な耐脱亜鉛腐食性を示すＰ組成範囲を0.05〜0.25％
とした。中でも、0.07〜0.10％の範囲が好ましい。P: P was added to improve the dezincification corrosion resistance. As shown in Tables 1 and 2, the addition of zinc improves the dezincification corrosion resistance, but a part of the added P is present in the alloy as a hard and brittle Cu 3 P phase. , Which is the main application of steel, has satisfactory dezincification corrosion resistance without adversely affecting the forgeability.
And Above all, the range of 0.07 to 0.10% is preferable.
【表１】 [Table 1]
【表２】
表１のサンプルは、Ｃｕ、Ｐｂ、Ｎｉ、Ｔｉ、Ｚｎ量を
略一定にした鋳物サンプルであり、脱亜鉛試験は、ＩＳ
Ｏ規格脱亜鉛試験法で行った。[Table 2] The samples in Table 1 are casting samples in which the amounts of Cu, Pb, Ni, Ti, and Zn are substantially constant.
It was conducted by the O standard dezincification test method.
【０００８】Ｓｎ：Ｓｎは、耐脱亜鉛腐食性を向上させ
るために添加した。表３及び表４に示すように、添加す
る程、耐脱亜鉛腐食性は向上するが、ＳｎはＺｎよりも
材料単価が高価であり、原材料コストを低く抑えるため
極力低く抑える必要がある。脱亜鉛腐食を抑制するＣ
ｕ、Ｐとの兼合いで最も良好な耐脱亜鉛腐食性を示すＳ
ｎの範囲を0.5〜2.0％とした。中でも、1.0〜1.5％の範
囲が好ましい。Sn: Sn was added to improve the dezincification corrosion resistance. As shown in Tables 3 and 4, the more it is added, the more the dezincification corrosion resistance is improved, but the material unit price of Sn is higher than Zn, and it is necessary to keep it as low as possible in order to keep the raw material cost low. C that suppresses dezincification corrosion
S which shows the best dezincification corrosion resistance in combination with u and P
The range of n was 0.5 to 2.0%. Above all, the range of 1.0 to 1.5% is preferable.
【表３】 [Table 3]
【表４】
表３のサンプルは、Ｃｕ、Ｐｂ、Ｎｉ、Ｔｉ、Ｚｎ量を
略一定にした鋳物サンプルであり、脱亜鉛試験は、ＩＳ
Ｏ規格脱亜鉛試験法で行った。[Table 4] The samples in Table 3 are casting samples in which the amounts of Cu, Pb, Ni, Ti, and Zn are substantially constant.
It was conducted by the O standard dezincification test method.
【０００９】Ｎｉ：Ｎｉは、添加することにより直接耐
脱亜鉛腐食性に効果がある。また、一方で鋳塊状態での
組織を微細化し、α＋β組織の均一細分化が可能であ
り、その後の押出、鍛造等の加工により均一に細かく分
散し、耐脱亜鉛性に効果がある。そこで、Ｎｉの組成範
囲を0.05〜0.30％とした。中でも、0.05〜0.10％の範囲
が好ましい。Ni: Ni has a direct effect on dezincification corrosion resistance when added. On the other hand, the structure in the ingot state can be made finer and the α + β structure can be uniformly subdivided, and can be finely dispersed uniformly by subsequent processing such as extrusion and forging, which is effective for dezincification resistance. Therefore, the composition range of Ni is set to 0.05 to 0.30%. Especially, the range of 0.05 to 0.10% is preferable.
【００１０】Ｔｉ：Ｎｉとの相乗効果でβ相の均一細分
化の効果を助長させるため添加した。Ｔｉ組成範囲を0.
02〜0.10％または0.02〜0.15％とした。Ｎｉ、Ｔｉを添
加することにより鋳塊組織が細分化されることを組織写
真に示す。図１は、従来の黄銅材におけるＪＩＳＣ３７
７１の鋳塊組織写真を示し、図２は、第一乃至第三の発
明における銅基合金でＣｕ60.5、Ｐｂ2.1、Ｐ0.10、Ｓ
ｎ1.2、Ｎｉ0.12（ｗｔ％）を含有した鋳塊組織写真を
示し、図３は、第四の発明における銅基合金でＣｕ60.
5、Ｐｂ2.1、Ｐ0.10、Ｓｎ1.2、Ｎｉ0.20、Ｔｉ0.06
（ｗｔ％）の鋳塊組織写真をそれぞれ示す。図４は、従
来例におけるＪＩＳＣ３７７１のミクロ組織写真（×３
００）、図５は、第一乃至第三の発明のミクロ組織写真
（×２００）、図６は、第四の発明のミクロ組織写真
（×２００）である。It was added in order to promote the effect of uniform subdivision of the β phase by a synergistic effect with Ti: Ni. Ti composition range is 0.
It was set to 02 to 0.10% or 0.02 to 0.15%. The structure photograph shows that the ingot structure is subdivided by adding Ni and Ti. Fig. 1 shows JISC37 for conventional brass materials.
Fig. 2 shows a photograph of the ingot structure of No. 71, and Fig. 2 shows the copper-based alloys Cu60.5, Pb2.1, P0.10, S in the first to third inventions.
Fig. 3 shows a photograph of an ingot structure containing n1.2 and Ni0.12 (wt%). Fig. 3 shows the copper-based alloy Cu60.
5, Pb2.1, P0.10, Sn1.2, Ni0.20, Ti0.06
(Wt%) photographs of ingot structures are shown respectively. FIG. 4 is a microstructure photograph (× 3 of JIS C3771 in the conventional example.
00) and FIG. 5 are microstructure photographs (× 200) of the first to third inventions, and FIG. 6 is a microstructure photograph (× 200) of the fourth invention.
【００１１】製造上、Ｆｅなどの不可避不純物は、合計
で0.8％以下にすることが好ましい。この範囲は、通
常、公知のＪＩＳ規格成分範囲内で一般黄銅を製造して
いる限り、特別なことをしなくても可能である。また、
これは製造コストを低く抑えることであり、耐脱亜鉛腐
食性を向上させるためにＰを用いたのは、原材料が安価
であり、また、微量な添加量で満足な耐脱亜鉛腐食性を
示すためである。本発明における製造法は、上記組成合
金鋳塊の一例として、ビレット加熱温度700℃で押出・
抽伸・熱間鍛造後熱処理し、鍛造製品内部応力除去を十
分に行うことによって実施される。From the viewpoint of production, it is preferable that the total amount of inevitable impurities such as Fe is 0.8% or less. This range is usually possible without special matters as long as the general brass is manufactured within the known JIS standard component range. Also,
This is to keep the manufacturing cost low, and P was used to improve the dezincification corrosion resistance because the raw materials were inexpensive and a satisfactory trace amount of dezincification corrosion resistance was exhibited. This is because. The manufacturing method in the present invention is, as an example of the above composition alloy ingot, extruded at a billet heating temperature of 700 ° C.
It is carried out by heat treatment after drawing and hot forging to sufficiently remove stress inside the forged product.
【００１２】[0012]
【実施例】本発明における耐食性及び熱間加工性に優れ
た銅基合金を適用した実施例を実験例並びに比較例と共
に説明する。表５に熱間鍛造性試験、脱亜鉛腐食性試験
の結果を示す。各サンプルとも上記の製造法で製造した
ものであり、250mm径ビレットから24Фの棒に押出温度7
00℃で押出し、断面減少率10％で抽伸後、加熱温度720
℃で熱間鍛造成型をし、10倍率の実体顕微鏡により成型
性を確認した。なお、成型性は、公知のＪＩＳＣ３７７
１（サンプルＮｏ.１）を基準とし、鍛造成型性が同等
のものを○印、劣るものを×印として示した。EXAMPLES Examples in which a copper-based alloy having excellent corrosion resistance and hot workability according to the present invention is applied will be described together with experimental examples and comparative examples. Table 5 shows the results of the hot forgeability test and dezincification corrosion test. Each sample was manufactured by the above manufacturing method, and the extrusion temperature was 7
Extruded at 00 ℃, drawn at a cross-section reduction rate of 10%, then heated at 720
Hot forging was carried out at ℃ and the moldability was confirmed by a stereoscopic microscope with 10x magnification. The moldability is based on the known JISC377.
With reference to Sample No. 1 (Sample No. 1), the ones having the same forgeability are indicated by ◯, and the ones having inferior formability are indicated by X.
【００１３】鍛造後、各サンプルを475℃×5.0Ｈｒの条
件で熱処理し、鍛造製品内部応力除去し、脱亜鉛試験を
行った。熱処理は、電気炉を用いて所定温度に所定時間
保持後、放冷した。脱亜鉛試験は、各試験片をＩＳＯ規
格脱亜鉛試験と同様の75±3℃の2.5ml(1％Ｃｕｃｌ2水
溶液）／試験片暴露面積（mm2)に浸漬し、その脱亜鉛深
さを測定した。脱亜鉛深さが75μm以下を◎印、75〜200
μmを○印、200μm以上を×印として示した。After forging, each sample was heat-treated under the condition of 475 ° C. × 5.0 Hr to remove the internal stress of the forged product and subjected to a dezincification test. In the heat treatment, an electric furnace was used to hold the material at a predetermined temperature for a predetermined time and then allowed to cool. In the dezincification test, each test piece was immersed in 2.5 ml (1% Cucl 2 aqueous solution) / exposed area (mm 2 ) of 75 ± 3 ° C, the same as in the ISO standard dezincification test, and the dezincification depth was determined. It was measured. Dezincification depth of 75 μm or less marked with ◎, 75 to 200
μm is shown as a circle, and 200 μm or more is shown as a cross.
【００１４】[0014]
【表５】
サンプルＮｏ.１は、Ｃｕ量が低く、Ｐ、Ｎｉを含有し
ていないため耐脱亜鉛性が劣る。Ｎｏ.２〜Ｎｏ.４は、
Ｃｕ量とＰ量との関係が鍛造性に悪影響を与える比であ
るので鍛造性が劣る。Ｎｏ.５は、Ｓｎを含有していな
いため耐脱亜鉛性が劣る。Ｎｏ.６は、Ｐを含有してい
ないため耐脱亜鉛性が劣る。Ｎｏ.１１〜Ｎｏ.１３は、
Ｃｕ量が低いため耐脱亜鉛性が劣る。Ｎｏ.７〜Ｎｏ.１
０は、鍛造性、耐脱亜鉛性共に優れている。図７は、従
来の鍛造用黄銅（Ｃ３７７１）をＩＳＯー6509法である
脱亜鉛試験で行った脱亜鉛腐食部の写真(×50)であり、
同写真によると、1100μm程度の脱亜鉛腐食部１が確認
された。図８は、本発明における鍛造用耐脱亜鉛黄銅を
ＩＳＯー6509法である脱亜鉛試験で行った脱亜鉛腐食部
の写真(×200)であり、同写真によると、22.5μm程度の
脱亜鉛腐食部２が表れ、優れた耐脱亜鉛腐食効果が確認
された。[Table 5] Sample No. 1 has a low Cu content and does not contain P and Ni, and thus has poor dezincification resistance. No. 2 to No. 4 are
Since the relationship between the amount of Cu and the amount of P is a ratio that adversely affects the forgeability, the forgeability is poor. No. 5 is inferior in dezincification resistance because it does not contain Sn. No. 6 is inferior in dezincification resistance because it does not contain P. No. 11 to No. 13 are
Since the amount of Cu is low, dezincing resistance is poor. No.7 to No.1
0 is excellent in both forgeability and dezincification resistance. FIG. 7 is a photograph (× 50) of a dezincification corroded portion of a conventional forging brass (C3771) that was subjected to a dezincification test that is an ISO-6509 method.
According to the same photograph, the dezincification corrosion part 1 of about 1100 μm was confirmed. FIG. 8 is a photograph (× 200) of a dezincification corrosion part of the dezincification-resistant brass for forging according to the present invention, which was subjected to a dezincification test that is an ISO-6509 method. Corrosion part 2 appeared, and an excellent dezincification corrosion resistance effect was confirmed.
【００１５】[0015]
【発明の効果】以上のことから明らかなように、本発明
によると、耐食性及び熱間加工性に優れた銅基合金は、
ステム、弁座、ジスク等のバルブ部品、建築資材や電気
・機械部品、給湯器機などの温水関連機器や塩水ライン
などのように、脱亜鉛腐食が発生する機器などの部材・
部品或はその他の機器類に広く適用することができると
共に、Ｐｂ入り黄銅本来の鍛造性を有し、熱間加工性に
優れ、原材料コストをより安価にすることにより経済性
にも富み、また、優れた耐食性及び熱間加工性に優れた
顕著な効果を奏する銅基合金を提供することが可能とな
った。As is apparent from the above, according to the present invention, a copper-based alloy excellent in corrosion resistance and hot workability is
Stem, valve seat, valve parts such as disuccinimidyl, building materials and electrical and mechanical parts, such as hot water equipment and salt lines such as hot water supply equipment, components and the like equipment dezincification corrosion occurs
It can be widely applied to parts or other equipment, has the original forgeability of brass containing Pb, has excellent hot workability, and is economical because it makes raw material costs cheaper. It has become possible to provide a copper-based alloy having excellent corrosion resistance and hot workability and having a remarkable effect.
【図１】従来の黄銅棒であるＪＩＳＣ３７７１の鋳塊組
織写真（×２００）である。FIG. 1 is a photograph (× 200) of an ingot structure of JISC3771 which is a conventional brass rod.
【図２】第一乃至第三の発明における銅基合金の鋳塊組
織を示した写真である。FIG. 2 is a photograph showing the ingot structure of the copper-based alloy in the first to third inventions.
【図３】第四の発明における銅基合金の鋳塊組織を示し
た写真である。FIG. 3 is a photograph showing the ingot structure of the copper-based alloy in the fourth invention.
【図４】従来の黄銅棒であるＪＩＳＣ３７７１のミクロ
組織写真（×３００）である。FIG. 4 is a microstructure photograph (× 300) of JIS C3771 which is a conventional brass rod.
【図５】第一乃至第三の発明のミクロ組織写真（×２０
０）である。FIG. 5 is a microstructure photograph of the first to third inventions (× 20
0).
【図６】第四の発明のミクロ組織写真（×２００）であ
る。FIG. 6 is a microstructure photograph (× 200) of the fourth invention.
【図７】従来の鍛造用黄銅（Ｃ３７７１）をＩＳＯー65
09法である脱亜鉛試験で行った脱亜鉛腐食部の写真(×
５０)である。FIG. 7: Conventional brass for forging (C3771) is ISO-65
Photograph of dezincification corrosion part performed in dezincification test which is 09 method (×
50).
【図８】本発明における鍛造用耐脱亜鉛黄銅をＩＳＯー
6509法である脱亜鉛試験で行った脱亜鉛腐食部の写真
(×２００)である。FIG. 8 shows the dezincing resistant brass for forging according to the present invention in ISO-
Photograph of dezincification corrosion part performed in dezincification test which is 6509 method
(× 200).
２ 脱亜鉛腐食部 2 Dezincification corrosion part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小林 和彦 長野県茅野市宮川字小早川7377番地 株 式会社キッツ 茅野工場内 (56)参考文献 特開 平１−272734（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C22C 9/00 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuhiko Kobayashi 7377 Kobayakawa, Miyagawa, Chino City, Nagano Prefecture Kits Chino Factory (56) Reference company JP-A-1-272734 (JP, A) (58) Survey Areas (Int.Cl. 7 , DB name) C22C 9/00
Claims (3)
0.05〜0.25％、Ｓｎ0.5〜2.0％、Ｎｉ0.05〜0.30％を含
有し、残りがＺｎと不可避不純物からなる組成（以上重
量％）を有した銅基合金を材料として温水関連機器を製
造するようにしたことを特徴とする耐食性及び熱間加工
性に優れた銅基合金を用いた温水関連機器。1. Cu59.0 to 62.0%, Pb0.5 to 4.5%, P
Manufacture of hot water-related equipment using a copper-based alloy containing 0.05 to 0.25%, Sn 0.5 to 2.0%, and Ni 0.05 to 0.30%, with the balance being Zn and inevitable impurities (above wt%). A hot water-related device using a copper-based alloy having excellent corrosion resistance and hot workability.
0.05〜0.25％、Ｓｎ0.5〜2.0％、Ｎｉ0.05〜0.30％を含
有し、残りがＺｎと不可避不純物からなる組成（以上重
量％）を有した銅基合金を材料として電気・機械部品を
製造するようにしたことを特徴とする耐食性及び熱間加
工性に優れた銅基合金を用いた電気・機械部品。2. Cu59.0 to 62.0%, Pb0.5 to 4.5%, P
Electrical / mechanical parts made from a copper-based alloy containing 0.05 to 0.25%, Sn 0.5 to 2.0%, Ni 0.05 to 0.30%, and the balance of Zn and inevitable impurities (above wt%). An electric / mechanical component using a copper-based alloy having excellent corrosion resistance and hot workability, which is characterized by being manufactured.
0.05〜0.25％、Ｓｎ0.5〜2.0％、Ｎｉ0.05〜0.30％、Ｔ
ｉ0.02〜0.15％を含有し、残りがＺｎと不可避不純物か
らなる組成（以上重量％）を有した銅基合金を材料とし
て温水関連機器を製造するようにしたことを特徴とする
耐食性及び熱間加工性に優れた銅基合金を用いた温水関
連機器。 3. Cu59.0-62.0%, Pb0.5-4.5%, P
0.05-0.25%, Sn0.5-2.0%, Ni0.05-0.30%, T
i 0.02 to 0.15%, the rest is Zn and inevitable impurities
Using a copper-based alloy with a composition of
Characterized in that it manufactures hot water related equipment.
Hot water function using a copper-based alloy with excellent corrosion resistance and hot workability
Equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22655098A JP3483773B2 (en) | 1994-01-17 | 1998-07-27 | Hot water related equipment and electrical / mechanical parts using a copper-based alloy with excellent corrosion resistance and hot workability |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6015743A JP2841270B2 (en) | 1994-01-17 | 1994-01-17 | Copper base alloy excellent in corrosion resistance and hot workability and valve parts using the alloy |
| JP22655098A JP3483773B2 (en) | 1994-01-17 | 1998-07-27 | Hot water related equipment and electrical / mechanical parts using a copper-based alloy with excellent corrosion resistance and hot workability |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6015743A Division JP2841270B2 (en) | 1994-01-17 | 1994-01-17 | Copper base alloy excellent in corrosion resistance and hot workability and valve parts using the alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11131157A JPH11131157A (en) | 1999-05-18 |
| JP3483773B2 true JP3483773B2 (en) | 2004-01-06 |
Family
ID=30772097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22655098A Expired - Lifetime JP3483773B2 (en) | 1994-01-17 | 1998-07-27 | Hot water related equipment and electrical / mechanical parts using a copper-based alloy with excellent corrosion resistance and hot workability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3483773B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990241A (en) * | 2012-08-24 | 2013-03-27 | 张�林 | Metal powder welding material special for high-frequency welding machine |
-
1998
- 1998-07-27 JP JP22655098A patent/JP3483773B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990241A (en) * | 2012-08-24 | 2013-03-27 | 张�林 | Metal powder welding material special for high-frequency welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11131157A (en) | 1999-05-18 |
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