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XG1 special thread casing
In early 2008,Yan'an Jiasheng and the Institute of management and research started to establish a project to develop special casing products.After three years,the design and processing procedures have been continuously improved
關鍵詞：
隱藏域元素占位
TC-50 casing
244.48×8.94mm tc-50 is a new steel grade independently developed by our company.Compared with the similar steel grades J55 and K55,the steel grade has small grain size,pearlite+ferrite structure,no widmanstatten structure and reticular ferrite structure,and the chemical composition P,s content is far lower than API 5CT
關鍵詞：
隱藏域元素占位
XG1 special thread casing
In early 2008,Yan'an Jiasheng and the Institute of management and research started to establish a project to develop special casing products.After three years,the design and processing procedures have been continuously improved
關鍵詞：
隱藏域元素占位
TEL: +860911-2515900
ADDRESS: yao dian district, yan 'an, shaanxi province
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SAF Coolest v1.1 設置面板 JJJSS-ASIW-WSSFE-ZFS
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