3 utterly not to electric welding wind skiving fire baking etc . pipeline and pipeparts of linings back . must apart 1 meter upwards with hot source 3绝不允许在衬里后的管件配件上电焊风割火烤等,要与热源相隔1米以上。
Welded steel tubes for pressure purposes - technical delivery conditions - electric welded non - alloy steel tubes with specified low temperature properties 承压用的焊接钢管.交付技术状态.规定了低温特性的非合金和合金电焊钢管
Non - destructive testing of steel tubes - automatic ultrasonic testing of the weld seam of electric welded steel tubes for the detection of longitudinal imperfections 钢管的无损试验.纵向缺陷探测用电焊钢管焊缝的自动超声波检验
Welded steel tubes for pressure purposes - technical delivery conditions - part 4 : electric welded non - alloy steel tubes with specified low temperature properties 承压用焊接钢管.交货技术条件.第4部分:规定低温性能的电焊非合钢管
Welded steel tubes for pressure purposes - technical delivery conditions - electric welded non - alloy and alloy steel tubes with specified elevated temperature properties 承压用的焊接钢管.交付技术状态.规定了高温特性的非合金和合金电焊钢管
Non - destructive testing of steel tubes - part 8 : automatic ultrasonic testing of the weld seam of electric welded steel tubes for the detection of longitudinal imperfections 钢管的无损检验.第8部分:检测纵向缺陷用电焊钢管焊缝的自动超声试验
4 no splash fire like that from electric welding within the scale 2m of the dewatering machine is allowed , for the sake of damaging mesh - belt of the dewatering machine 4脱水机放置地周围2米不许有如电焊作业之类的飞溅明火,以防损坏脱水机网带。
Chengdu electric welding machine research institute ( cewmri ) is the only state - level and industry professional research institute of state electric welding machine industry 成都电焊机研究所是全国电焊机行业唯一的国家级研究所和行业技术归口所。
Shanghai huaou electric welding machines co . , ltd . is a high - tech and modern manufacturer integrating development , design and production of welding equipment 上海华瓯电焊机有限公司是一个集开发、设计、制造于一体的科技型现代化焊接设备生产企业。
Range of use : cz2 . 5 air shovel is used for clearing slag by electric welding , beveling groove . it also can do some shovelling and cutting on steel cast 使用范围: cz2 . 5型气才铲适用于电焊去渣、去毛边、去坡口,也可在钢结物体、铸件上进行少量铲削。