ERW steel pipe的意思|示意

Our company mainly products seemless steel-pipe, ASTM, JIS, DIN, API5L, ERW and all kinds models and specifications of seemless steel-pipe, welding pipe and fitting.

公司主营无缝钢管、美标（ASTM）、日标（JIS）、德标（DIN）及API5L、ERW各种型号和规格无缝管、焊管及管件。

The paper gives a description to the electric resistance welding and stretch reducing mill process (ERW/SRM) in steel pipe production and the features of its main equipments.

介绍了用焊接和热减径工艺生产钢管的ERW/ SRM 生产线及其主要的工艺设备特点。

The basic structure, key functions and purpose and application features of erp system used for longitudinal ERW steel pipe-making enterprises are studied.

研究了直缝erw钢管生产企业ERP系统的基本结构、主要功能及该系统的作用和应用特点。

In addition, it is introduced that the layer, impurities and band structure in base material are harmful to the weld quality of ERW steel pipe.

另外介绍了母材缺陷分层、夹杂物、带状组织对ERW焊缝的危害性。

The production situation of ERW steel pipe industry in China is analyzed, and the subjective and objective reasons which caused the situation are pointed out.

对我国的电阻焊管工业的生产情况作了分析，并指出造成这种情况的主客观原因。

The features of electric resistance welded(ERW) carbon steel pipe are analyzed from the viewpoint of design code and material selection.

从设计规范与管材选用方面对电阻焊碳钢直缝钢管（ ERW）的特点进行了分析。