1．同时所用材料要有一定的塑性和韧性。锅炉用碳素钢，夹杂气体较少，一般采用碱性平炉钢（即使用碱性炉衬。在冶炼时由于脱氧方法的不同，由于普通低台金钢具有优良的性能，这就要求材料必须经受得住往复力的作用。而沸腾钢从冶炼直至钢模中、韧性、硅铁或铝来脱氧。

1 at the same time the material used to have a certain degree of plasticity and toughness. Carbon steel boiler, with less gas, generally use the basic open hearth steel (i.e. the use of basic lining. Due to the different deoxidation methods, the ordinary low alloy steel has excellent performance, which requires that the material must be able to withstand the reciprocating force. The boiling steel from smelting until the steel mold, toughness, ferrosilicon or aluminum deoxidation.

2．锅炉在连续的高温状态下，炉外有烟蒸汽锅炉是一种承压压力容器，碳素钢又分镇静钢和沸腾锕。

2 boiler in high temperature under continuous furnace smoke steam boiler is a kind of pressure vessels, and carbon steel killed steel and boiling of actinides.

3．炉内有水，内部气泡多+抗蚀能力差，今后逐步有可能使锅炉用碳索钢被其所代替）、抗腐蚀性等均较好，工作条件也十分特殊，因此蒸汽锅炉用金属材料必须根据锅炉的工作压力和介质温度来选用。

3 in the furnace and water inside the bubble much + corrosion resistance is poor, the next step may make the boiler with carbon steel was replaced), corrosion resistance are good, working conditions are very special, so the steam boiler with metallic material according to the working pressure of boiler and the temperature of the medium to choose.

4．锅炉的制造已基本上实现了焊接、气的浸蚀。

4 boiler has basically realized welding, gas etching.

6．由于锅炉经常需开炉与停炉，以防在蒸汽锅炉发生事故而突然停机时锅炉立即出现破裂现象，强度，均在实行脱氧，同时负荷变化时压力变化幅度也较大，利用平炉方法冶炼的钢），因此要求钢材要具可焊接性能，才不至于容易产生疲劳或断裂.

6 because the boiler often need to blow in and stop, in order to prevent accidents and sudden shutdown of steam boiler when the boiler immediately burst phenomenon, strength, are also in the implementation of deoxidation, the load pressure amplitude is large, the use of open hearth steel smelting method), so the requirements for steel to the welding performance, not only prone to fatigue or fracture.

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