24小時(shí)服務(wù)熱線真空爐加熱及保溫材質(zhì)的選擇
2023/3/8 10:57:47
真空爐根據(jù)不同使用溫度，可選擇不同的材質(zhì)的加熱元件及保溫隔熱層，常用的加熱元件材質(zhì)有耐熱鋼（Cr20Ni80）,高純石墨，鉬及合金等，各材質(zhì)使用的溫度范圍如下，除上述材質(zhì)的選擇外，還需通過對長期使用條件下的能耗，穩(wěn)定性等方面綜合考慮。
工作溫度 Operation Temperature | 加熱元件選擇 Heating Element Selection | 隔熱層選擇Insulation Layer Selection |
800℃及以下 800℃ and below | 高溫鎳鉻合金 High temperature nickel-chromium alloy | 不銹鋼Stainless steel |
800℃-950℃ | 高溫鎳鉻合金（Cr20Ni80） High temperature nickel-chromium alloy | 耐熱鋼+不銹鋼 Heat resistant steel + stainless steel |
耐熱鋼+石墨氈 Heat resistant steel + graphite felt | ||
950℃-1100℃ | 金屬鉬或耐熱鋼 Molybdenum metal or heat resistant steel | 金屬鉬+不銹鋼 Molybdenum metal + stainless steel |
金屬鉬+石墨氈 Molybdenum metal + graphite felt | ||
1100℃-1300℃ | 鉬鑭合金 Molybdenum-lanthanum alloy | 鉬鑭合金+不銹鋼 Molybdenum-lanthanum alloy+ stainless steel |
高純石墨 High purity graphite | 石墨軟氈+石墨硬氈 Graphite soft felt + Graphite hard felt | |
1300℃-1600℃ | 鉬鑭合金Molybdenum-lanthanum alloy | 鉬鑭合金+不銹鋼 Molybdenum-lanthanum alloy + stainless steel |
等靜壓石墨 Isostatic pressed graphite | 石墨軟氈+石墨硬氈 Graphite soft felt + Graphite hard felt | |
鎢合金Tungsten alloy | 鎢合金+鉬鑭合金+不銹鋼 Tungsten alloy + Molybdenum-lanthanum alloy +stainless steel | |
1600℃-2100℃ | 等靜壓石墨Isostatic pressed graphite | 石墨軟氈+石墨硬氈Graphite soft felt + Graphite hard felt |
鉭Tantalum | 鉭+鉬鑭合金+不銹鋼Tantalum+Molybdenum-lanthanum alloy+Stainless steel |
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