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普碳钢沸腾钢板顾名思义是由普通碳素结构钢的沸腾钢热轧制成的钢板。沸腾钢是一种脱氧不完全的钢材,钢液含氧量较高,当钢水注入钢锭模后,碳氧反应产生大量气体,造成钢液呈沸腾状态而得名。

Plain carbon steel boiling plate as its name implies is made of ordinary carbon structural steel hot-rolled steel plate. Boiling steel is a kind of incomplete deoxidation of steel, high oxygen content in molten steel, when molten steel after the injection mould, carbon oxygen reaction to produce large amounts of gas, which is named after the boiling state of liquid steel.

沸腾钢含碳量低,且由于不用硅铁脱氧,故钢中含硅量常<0.07%。沸腾钢的外层是在沸腾状态下结晶的,所以表层纯净、致密,表面质量好,加工性能良好。

Boiling steel with low carbon content, and because there is no silicon deoxidation, so the steel containing silicon content is often less than 0.07%. The outer layer of the boiling steel is crystallized in the boiling state, so the surface is pure and compact, the surface quality is good, and the processing performance is good.

沸腾钢没有大的集中缩孔,用脱氧剂少,钢材成本低。沸腾钢心部杂质多,偏析较严重,力学性能不均匀,钢中气体含量较多,韧性低、冷脆和时效敏感性较大,焊接性能较差,故不适用于制造承受冲击截荷,在低温下工作的焊接结构件和其他重要结构件。

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There is no large concentrated hole in the boiling steel, and the cost is low. The heart of steel boiling impurities, more serious segregation, non-uniform mechanical properties, more gas content in steel, low toughness, cold brittleness and aging sensitivity of large, poor welding performance, so it is not suitable for manufacturing under impact load, welding and other important components in low temperature.

沸腾钢板大量用制造各种冲压件、建筑及工程结构和一些不太重要的机器结构和零件。其材质的牌号、化学成分和力学性能符合GB700-79(88)(普通碳素结构钢技术条件)中沸腾钢的规定。热轧中厚钢板厚度为4.5-200mm。

Boiling plates are widely used in the manufacture of various stamping parts, construction and engineering structures, and some of the less important machine structures and parts. The grade, chemical composition and mechanical properties of the material are in accordance with the requirements of GB700-79 (88) (ordinary carbon structural steel). Hot rolled medium thick steel plate thickness of 4.5-200mm.

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