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1、毕加索(P.Picasso 1881-1973) 西班牙自画像两个小丑盥洗间杂耍艺人之家人生美食家手持调色板的自画像马戏班小丑两个年轻人小丑毕加索夫人格.斯泰因肖像情人在海滨的女人戴帽子的女郎静物蒙马特尔的7月14日悲剧着小丑服装的保罗站在球上的艺人亚威农的姑娘穿衬衫的妇人静物阿尔及尔妇女爱好者卡恩维勒肖像萨比诺的女人绿色的静物梦画室戴帽的女人十字架上受刑曼陀林和吉它小丑女孩和玩具船画家和他的模特儿缪斯牛首人身怪物海滩上的女人和孩子三个乐师三个乐师坐着的浴者多拉.玛尔女人与花被刺穿的牛首人身怪物镜子前的少女三个舞蹈者在昂蒂布的夜渔生之欢乐格尔尼卡meet the standard requir
2、ements. Post weld heat treatment of pipes after heat treatment, hardness tests should be conducted, hardness test sampling of not less than 10%, hardness 120%,15CrMo hardness of carbon steel pipe shall be less than base metal steel after heat treatment, hardness should not be greater than the parent
3、 material of 125%. Rate of pipeline nondestructive testing shall be carried out according to the design requirements, no no design requirements the SH3501-2002 table 10 percentage of radiographic examination of welded joints and acceptable level, and fixed number not less than the total number of 40
4、% weld inspection. This project has a wall thickness of 32mm 20# steel high pressure tube, x-rays cannot penetrate, the situation may not allow non-destructive testing by -ray, used weld backing and two-layer welds before filled by x ray detection method, the other layer by ultrasonic detector metho
5、d. Should be consistent with existing national standards for radiographic testing of the . Gas tank used chain for this project promoted the upsidedown construction. Chain reversal installation method shown in the following figure: welders Welders and welding methods to participate in this project s
6、hould be in accordance with the Ministry of personnel issued by the boilers and pressure vessels welder examination rules for qualification examination, after passing the qualification certificate of welding work. Tank welding manual arc welding, automatic welding. Manual arc welding company has a n
7、umber of excellent welder, took part in all kinds of large, medium and small storage tank, pressure vessel welding, with rich experience, manual welding characteristics are not subject to location restrictions, welding deformation easy to control. This engineering welding construction of shielded metal arc welding methods.