优质钢的硫、磷含量均≦0.04%。高级优质钢分为A、B、C、D四个质量等级。在我国的现行执行标准中,钢的冶金质量等级分为普通钢、优质钢和高级优质钢。普通钢的硫、磷含量高,硫含量≦0.055%,磷含量≦0.045%;高级优质钢硫含量≦0.03%,磷含量≦0.035%。
... High-Quality Steel 高质量钢 ; 优质钢 High-Quality Steel Rolling 高精度板带材轧制理论与实践 High Quality Steel Wire 采用优质钢线 ...
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(1)普通钢(Steel) 含硫量小于0.055%,含磷量小于0.045%; (2)优质钢(Quality Steel) 含硫量、含磷量均小于0.04%; (3)高级优质钢(High-Quality Steel) 含硫量、含磷量均小于0.03%。 按用途可分为以下几种。
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... high-expansion foam 高级膨胀泡沫体 high-grade steel 优质钢 high-lead bronze 高铅青铜 ...
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飞机用优质钢 Aircraft Quality Steel
高强优质钢丝 High-Strength Quality Steel Wire
优质钢板 quality steel plate
高级优质钢 high-grade fine steel ; Advanced high quality steel ; P&le ; grade fine steel
德国优质钢 VDEh
优质钢材 quality steel products
优质碳素钢 Fine Steel Casting iron ; High-quality Carbon Steel ; quality carbon steel ; fine carbon steel
优质钢丝绳 Quality steel wire ropes
采用优质钢线 High Quality Steel Wire
工厂生产了更多的钢材,而且都是优质钢。
The factory produced more steel, and all of fine quality at that.
型:采用优质钢或不?钢制作,采用机械式。
Type IV:Made of high-quality steel or stainless steel by mechanical cable-clamped device.
因而通常请求钢中含磷量小于0.045%,优质钢请求更低些。
And usually request steel phosphorus content of less than 0.045%, lower request high quality steel.
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