In order to keep the property of forging pieces which they already have, calibrating in the way of cold correcting the shape with stress release and tempering could get a better result.
二次调质后，堆芯段筒体锻件产生了椭圆变形，为了不影响锻件已有性能，采用冷校形加去应力回火方法进行校正。
Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.
黄铜的主要用途是球阀阀杆和球体，和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
Bill has been a blacksmith for years, he enjoys the robust excitement of forging metals and creating unique art pieces using his blacksmithing talent.
比尔当铁匠多年，能运用自己的打铁技术锻造金属件和创作独特工艺品，他喜欢工作时那种激动兴奋的感觉。
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