| 4 | 1/1 | 返回列表 |
| 查看: 611 | 回復(fù): 3 | ||
| 本帖產(chǎn)生 1 個 翻譯EPI ,點擊這里進行查看 | ||
huangguaha木蟲之王 (文壇精英)
我不是我
|
[求助]
1雙金屬管方面,謝謝
|
|
| A casting method of a naphata cracker tube using bi-metal centrifugal casting and a naphata cracker tube manufactured by the method are provided to reduce the manufacturing cost while maintaining the quality of the naphata cracker tube such as creep resistance and carburizing resistance. A casting method of a naphata cracker tube(100) using bi-metal centrifugal casting comprises a step of forming an outer tube(70) by injecting an outer tube material including nickel in a hollow metal mold while rotating the mold, and a step of forming an inner tube(80) by injecting an inner tube material including nickel in the mold while rotating the mold. |
木蟲之王 (文壇精英)
我不是我
| 本文提供了一種使用雙金屬離心鑄造技術(shù)來鑄造石油裂化管的方法,并提供了一個使用此種方法生產(chǎn)的石油裂化管,以達到在減少生產(chǎn)成本的同時,保證石油裂化管的蠕變強度、滲碳電阻等質(zhì)量指標(biāo)。使用雙金屬離心鑄造方法來鑄造石油裂化管(100)的步驟包括:第一步,將含鎳的外管材料注入旋轉(zhuǎn)的空心金屬模具,以形成一個外管(70);第二步,將含鎳的內(nèi)管材料注入旋轉(zhuǎn)的模具,以形成一個內(nèi)管(80)。 |
| 4 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 266求調(diào)劑 +11 | 陽陽哇塞 2026-03-27 | 12/600 |
|
|---|---|---|---|---|
|
[考研] 求調(diào)劑推薦 材料 304 +14 | 荷包蛋hyj 2026-03-26 | 14/700 |
|
|
[考研] 291求調(diào)劑 +12 | hhhhxn.. 2026-03-23 | 18/900 |
|
|
[考研] 一志愿南昌大學(xué)324求調(diào)劑 +3 | hanamiko 2026-03-27 | 3/150 |
|
|
[考研] 311求調(diào)劑 +7 | lin0039 2026-03-26 | 7/350 |
|
|
[考研]
|
孅華 2026-03-22 | 16/800 |
|
|
[考研] 考研調(diào)劑 +9 | 小蠟新筆 2026-03-26 | 9/450 |
|
|
[考研] 351求調(diào)劑 +4 | 麥克阿磊 2026-03-24 | 4/200 |
|
|
[考研] 081700 調(diào)劑 267分 +11 | 迷人的哈哈 2026-03-23 | 11/550 |
|
|
[考研] 0856求調(diào)劑 +8 | zhn03 2026-03-25 | 9/450 |
|
|
[考研] 總分293求調(diào)劑 +6 | 加一一九 2026-03-25 | 8/400 |
|
|
[考研] 0854電子信息求調(diào)劑 +7 | α____ 2026-03-22 | 9/450 |
|
|
[考研] 285求調(diào)劑 +3 | AZMK 2026-03-24 | 3/150 |
|
|
[考研] 求調(diào)劑 +6 | 研研,接電話 2026-03-24 | 7/350 |
|
|
[考研]
|
黃粱一夢千年 2026-03-24 | 3/150 |
|
|
[考研] 333求調(diào)劑 +3 | ALULU4408 2026-03-23 | 3/150 |
|
|
[考研] 291求調(diào)劑 +5 | 孅華 2026-03-22 | 5/250 |
|
|
[考研]
|
2117205181 2026-03-21 | 8/400 |
|
|
[考研] 308求調(diào)劑 +3 | 墨墨漠 2026-03-21 | 3/150 |
|
|
[考研] 0805材料320求調(diào)劑 +3 | 深海物語 2026-03-20 | 3/150 |
|