鉴于某型舰用锅炉过热器破损的主因在于其内部腐蚀，而破损的主要方式是由管头的溃烂开始直至整个管头烂掉为止，导致管子的胀接松动而漏泄。
The main reason which causes the breakdown of marine boiler superheater is its inner corrosion, which is taken to be developed from the parts of tube top to entire top, and this leads to leakage.
软钢SC-11焊条是用于管子、油槽、锅炉等用直流焊接。
Mild steel welding is used in SC - 11, bulges, boiler tube with dc welding etc.
论述了对20G锅炉管子材料中存在的带状组织进行了横向力学性能的研究。
This paper describes the banded microstructure on horizontal properties of 20G boiler tube.
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