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4J36 （Invar36）低膨脹合金

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用于制作在氣溫變化范圍內(nèi)尺寸近于恒定的元件，廣泛用于無(wú)線電，精密儀表,儀器和其他行業(yè)，做標(biāo)準(zhǔn)量具，微波諧振腔，雙金屬波動(dòng)層等。 儀器和其他行業(yè)，做標(biāo)準(zhǔn)量具，微波諧振腔，雙金屬波動(dòng)層等。
鐵鎳定膨脹玻封合金4J54

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鐵鎳定膨脹合金是通過(guò)調(diào)整鎳含量而獲得在給定溫度范圍內(nèi)能與膨脹系數(shù)不同的軟玻璃和陶瓷匹配的一系列定膨脹合金，其膨脹系數(shù)和居里點(diǎn)隨鎳含量增加而增加。該合金是電真空工業(yè)中廣泛使用的封接結(jié)構(gòu)材料。
鐵鎳定膨脹玻封合金4J52

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<span style="font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 12px; font-weight: 700; text-align: justify; background-color: rgb(255, 255, 255);">鐵鎳定膨脹合金是通過(guò)調(diào)整鎳含量而獲得在給定溫度范圍內(nèi)能與膨脹系數(shù)不同的軟玻璃和陶瓷匹配的一系列定膨脹合金，其膨脹系數(shù)和居里點(diǎn)隨鎳含量增加而增加。該組合金是電真空工業(yè)中廣泛使用的封接結(jié)構(gòu)材料。
鐵鎳定膨脹玻封合金4J50

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市場(chǎng)價(jià):0.00

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<span style="font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 12px; font-weight: 700; text-align: justify; background-color: rgb(255, 255, 255);">鐵鎳定膨脹合金是通過(guò)調(diào)整鎳含量而獲得在給定溫度范圍內(nèi)能與膨脹系數(shù)不同的軟玻璃和陶瓷匹配的一系列定膨脹合金，其膨脹系數(shù)和居里點(diǎn)隨鎳含量增加而增加。該組合金是電真空工業(yè)中廣泛使用的封接結(jié)構(gòu)材料。
鐵鎳定膨脹玻封合金4J45

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<span style="font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 12px; font-weight: 700; text-align: justify; background-color: rgb(255, 255, 255);">鐵鎳定膨脹合金是通過(guò)調(diào)整鎳含量而獲得在給定溫度范圍內(nèi)能與膨脹系數(shù)不同的軟玻璃和陶瓷匹配的一系列定膨脹合金，其膨脹系數(shù)和居里點(diǎn)隨鎳含量增加而增加。該組合金是電真空工業(yè)中廣泛使用的封接結(jié)構(gòu)材料。
鐵鈷礬軟磁合金1J22

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<span style="font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 12px; text-align: justify; background-color: rgb(255, 255, 255);">該合金組織結(jié)構(gòu)為體心立方晶格的單相固溶體，在900～930℃附近發(fā)生γα相轉(zhuǎn)變，當(dāng)溫度低于730℃時(shí)，產(chǎn)生有序化，形成FeCo超結(jié)構(gòu)，無(wú)序的α相轉(zhuǎn)變?yōu)橛行颚痢湎唷?lt;/span>
4J36低膨脹合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">4J36合金又稱(chēng)因瓦(INVAR)合金，合金的居里點(diǎn)約為230<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">℃，低于這一溫度時(shí)合金是鐵磁性的，具有很低的膨脹系數(shù)，高于這一溫度時(shí)合金為無(wú)磁性的，膨脹系數(shù)增大。該合金主要用于制造在氣溫變化范圍內(nèi)尺寸近似恒定的元件，廣泛用于無(wú)線電工業(yè)、精密儀器、儀表及其他工業(yè)。
4J32低膨脹合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 14px; font-weight: 700; text-align: justify; background-color: rgb(255, 255, 255);">4J32適用于在環(huán)境溫度變化范圍內(nèi)，制作對(duì)尺寸具有高精度要求的儀表零件。<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">
4J29鐵鎳鈷合金

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市場(chǎng)價(jià):0.00

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-family: Arial, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; color: rgb(84, 84, 86); background: rgb(241, 241, 241); vertical-align: baseline;">4J29合金在20～450<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; color: rgb(84, 84, 86); background: rgb(241, 241, 241); vertical-align: baseline;">℃具有與硅硼硬玻璃相近的線膨脹系數(shù)，居里點(diǎn)較高，并有良好的低溫組織穩(wěn)定性。合金的氧化膜致密，能很好地被玻璃浸潤(rùn),是電真空器件主要密封結(jié)構(gòu)材料。<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">
4J42鐵鎳合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-weight:="" letter-spacing:="" text-align:="" font-size:="" color:="" background:="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 14px; font-weight: 700; text-align: justify; background-color: rgb(255, 255, 255);">用于制作電器元件上與軟玻璃, 陶瓷匹配封接的鐵鎳合金帶材,棒材,管材，絲材和板材。在電真空工業(yè)中和相應(yīng)的軟玻璃進(jìn)行匹配封接。<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">
4J33鐵鎳鈷合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-weight:="" letter-spacing:="" text-align:="" font-size:="" color:="" background:="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 14px; font-weight: 700; text-align: justify; background-color: rgb(241, 241, 241);">4J33合金經(jīng)航空工廠長(zhǎng)期使用,性能穩(wěn)定。主要用于電真空元件與A203陶瓷封接。制造大型電子管和磁控管的電極、引出盤(pán)和引出線。隨著市場(chǎng)需求的不斷擴(kuò)大，目前用途也越來(lái)越廣泛。<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">
4J48鐵鎳合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-weight:="" letter-spacing:="" text-align:="" font-size:="" color:="" background:="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 14px; font-weight: 700; text-align: justify; background-color: rgb(241, 241, 241);"> 鐵鎳玻封合金4J48主要適用于電器元件與硬玻璃、軟玻璃、陶瓷匹配封接的玻封合金，其狀態(tài)有硬態(tài)和軟態(tài)兩種．帶材規(guī)格為0.0.15mm以上．<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">
4J47鐵鎳鉻封接合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-weight:="" letter-spacing:="" text-align:="" font-size:="" color:="" background:="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""> <span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 14px; font-weight: 700; text-align: justify; background-color: rgb(255, 255, 255);">在給定的溫度范圍內(nèi)具有一定的線膨脹系數(shù)。用途：在電真空工業(yè)中和軟玻璃或相應(yīng)陶瓷進(jìn)行匹配封接。<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">
4J44定膨脹封接鐵鎳鈷合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-weight:="" letter-spacing:="" text-align:="" font-size:="" color:="" background:="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""> <span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:="">用于制作與硬玻璃匹配封接的鐵鎳鈷合金帶材,棒材,板材,管材。適用于發(fā)射管、振蕩管、引燃管、晶體管以及管封插頭、繼電器外殼等電真空器件。在20℃<span style="font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-weight:="" letter-spacing:="" text-align:="" font-size:="" color:="" background:="" vertical-align:="">-450<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:="">℃溫度范圍內(nèi)具有一定的線膨脹系數(shù)，能與硬玻璃進(jìn)行匹配牢固封接。<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">
4J40低膨脹合金

精密合金

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<span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: Geneva, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-weight:="" letter-spacing:="" text-align:="" font-size:="" color:="" background:="" vertical-align:=""><span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="color: rgb(84, 84, 86); font-family: Arial, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""> <span style="color: rgb(84, 84, 86); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" font-size:="" font-weight:="" text-align:="" background-color:=""><span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; color: rgb(84, 84, 86); background: rgb(255, 255, 255); vertical-align: baseline;">在20-100°<span style="font-family: Arial, -apple-system, "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; color: rgb(84, 84, 86); background: rgb(255, 255, 255); vertical-align: baseline;">C范圍內(nèi)具有低的線膨脹系數(shù)，而且易切削加工。用途：在電真空工業(yè)中制作各種速調(diào)管，微波管的諧振腔。<span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-weight: 700; letter-spacing: 0pt; text-align: justify; font-size: 10.5pt; font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" color:="" background:="" vertical-align:=""><span style="font-size: 9pt; letter-spacing: 0pt; text-align: justify; background: rgb(255, 255, 255); font-family: 宋體, -apple-system, " helvetica="" pingfang="" microsoft="" source="" han="" sans="" noto="" cjk="" wenquanyi="" micro="" vertical-align:="">