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1、 石油管材常见缺陷术语 Terminology of imperfections in octg and line pipe 电弧烧伤 arc burns 气泡 blister 裂纹 crack 摔坑 dent 偏心 eccentricity 凿槽 gouge 硬块 hard spot 夹杂物 inclusion 分层 lamination 折叠 lap 凹坑 pit 划痕 plug scores 辊痕 roll mark 轧入金属异物 rolled-in slugs 结疤 scab 发裂 seam 重皮 sliver 伸 长 的 轧 制 凹 槽 stretch mill indentatio
2、n 加厚部分充型不良 upset underfill 加厚皱折 upset wrinkles 余高超高execessive reinforcement 过量充填 execessive over-fill 未熔合 incomplete fusion 未 焊 透 incomplete penetration;lack of penetration 错边 offset of plate edges 焊偏 out-of-line weld beads;off seam 气孔 porosity 夹渣 slag inclusions 咬边 under-cut 焊缝区裂纹 weld area crack 钩
3、状裂纹 hook cracks 毛刺修整不足 inadequate flash trim 过烧 penetrator 冷焊 cold weld 触点痕 contacts marks 过量修整 execessive trim 针孔 pinhole 针脚式焊缝 stitching 螺纹缺欠 thread imperfections 黒顶螺纹 black-crested thread 螺纹撕裂 broken thread 毛刺 burr 震颤刀痕 chatter 切口 cut 压痕 dinge 误起始螺纹 false starting thread 刀口状棱边 featheredge 飞边 fin
4、粘接 galling 搬运损伤 handling damage 螺纹牙异常 improer thread form 螺纹高度不当 improper thread height 起始螺纹中断 interrupted starting thread 刃口 knifeedge 刀状棱边 razer edge 不 全 顶 螺 纹non-full-crested thread 点坑螺纹 pitted threads 削薄螺纹 shaved(or thin)thread 台肩(螺纹轮廓)shoulder(thread profile)台阶 step 螺纹肥大 thick threads 无起始螺纹 thr
5、ead run-out on face 刀痕 tool mark 有 刻 痕 的 螺 纹(表 面 不 平)torn thread(tears)波纹状螺纹 wavy thread 刀屑 wicker 金属丝屑 whisker a)螺纹区域的缺欠:1)螺纹撕裂 broken thread 2)切口 cuts 3)磨痕 grinds 4)台肩或台阶 shoulders or steps 5)发裂 seams 6)不全顶螺纹 thread not fullcrested(including blackcrested threads)7)折叠 laps 8)凹坑 pits 9)摔坑 dents 10)刀
6、痕 tool marks 11)飞边 fins 12)压痕 dinges 13)毛刺 burrs 14)有刻痕螺纹 torn threads(tears)15)搬运损伤 handring damage 16)螺纹肥大 thick threads 17)削薄螺纹 narrow threads(shaved threads)18)粘结 galls 19)螺纹高度不当 improper thread height 20)刀屑(或金属丝屑)wicker(or whisker)21)裂纹 cracks 22)震颤裂纹 chattered threads 23)波纹状螺纹 wavy or drunken
7、threads 24)螺纹牙型异常 improper thread form 25)电弧烧伤 arc burns 26)螺纹未延伸至接箍中心(螺纹在 J 值区域可以是不完整的)thread not extending to the center of coupling 27)其它影响螺纹连续性的缺陷 imperfections,other than those listed above,that break the continuity of the threads b)普通倒角面区域:1)360 度倒角不全 not present 360 degree 2)螺纹消失在端面 thread running out on the face 3)刀状边缘 razor edge 4)刀口状棱边 feather edge 5)误起始螺纹嵌入实际起始螺纹 false starting thread engaging actacl starting thread 6)压痕 mashes C)圆形或子弹头型油管端面:1)过渡半径不平滑 radius transition not smooth 2)(端部)尖角 sharp corners 3)重皮 sliver