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P92高壓鍋爐管是在P91鋼的基礎上，采用復合多種方式加強研究和發(fā)展具有良好的高溫強度和抗蠕變性能的新型鐵素體耐熱合金鋼管。它的最高使用溫度高的相比，P91，P91中制造大電廠鍋爐金屬壁溫度和壓力較高的部分的標頭和蒸汽管代替。由于鎢，鉬化合物溶液，加強多元增強裝置，P92比P91困難軋機設備的性能測試是相當大的，而軋制溫度的選擇范圍很窄。技術中心的團隊成員在總結過去經(jīng)驗的基礎上，軋制高合金管軋管系統(tǒng)技術，充分考慮產(chǎn)能的設備，生產(chǎn)工藝條件，積極探索，軋管兩個的Assel軋單元技術人員到提高供熱系統(tǒng)，優(yōu)化工藝參數(shù)，工具的配置和變形的分布情況，嚴格按照單位的內(nèi)控標準組織生產(chǎn)，成功軋制Φ168×30mmP92高壓鍋爐管。經(jīng)檢驗，鋼管指標完全滿足用戶的需求，并為未來的大規(guī)模生產(chǎn)提供了重要的數(shù)據(jù)。高壓鍋爐管是鍋爐管的一種，屬于無縫鋼管類別。制造方法與無縫管相同，但對制造鋼管所用的鋼種有嚴格的要求。高壓鍋爐管使用時經(jīng)常處于高溫和高壓條件，管子在高溫煙氣和水蒸氣的作用下，會發(fā)生氧化和腐蝕。要求鋼管具有高的持久強度，高的抗氧化腐蝕性能，并有良好的組織穩(wěn)定性。高壓鍋爐管主要用來制造高壓和超高壓鍋爐的過熱器管、再熱器管、導氣管、主蒸汽管等。中文名 高壓鍋爐管 外文名 High pressure boiler tube 制造工藝 精拔、光亮、熱軋 類 型 屬于無縫鋼管類別 學 科 冶金工程介紹高壓鍋爐管是鍋爐管的一種，屬于無縫鋼管類別。制造方法與無縫管高壓鍋爐管相同，但對制造鋼管所用的鋼種有嚴格的要求。高壓鍋爐管使用時經(jīng)常處于高溫和高壓條件。高壓鍋爐管主要用來制造高壓和超高壓鍋爐的過熱器管、再熱器管、導氣管、主蒸汽管等。鍋爐管由于長期在高溫和高壓條件下工作，材料將發(fā)生蠕變，塑性和韌性下降，原始組織改變，產(chǎn)生腐蝕等。作為鍋爐用的鋼管應具備：（1）足夠的持久強度；（2）足夠的塑性變形能力； （3） 最小的時效傾向和熱脆性；（4）高的抗氧化、耐煤灰、耐天然氣高溫下腐蝕、蒸汽和應力腐蝕性能；（5）良好的組織穩(wěn)定性以及良好的工藝性能。高壓鍋爐管的鋼種有碳鋼以及珠光體、鐵素體和奧氏體型不銹耐熱鋼。為了提高火力發(fā)電機組的熱效率、降低燃耗，世界各國均以發(fā)展大容量、高參數(shù)（高溫、高壓）火電機組（1000MW以上）為主。蒸汽壓力提高到31.5～34.3MPa，過熱蒸汽溫度達595～650℃，向超高壓臨界壓力發(fā)展，這樣對高壓鍋爐管提出了更高的要求。為此開發(fā)了新的鋼種，以滿足高參數(shù)電站鍋爐的需用。
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