热轧H型钢国标(GB/T11263-1998)êGÃýã&ãObbs.3c3t.comR3ô]tl(:
êGÃýã&ãObbs.3c3t.comR3ô]tl(:
无缝钢管产品用途:êGÃýã&ãObbs.3c3t.comR3ô]tl(:
无缝钢管分热轧(挤、扩)和冷(拔)轧为结构用(GB8162-87)、êGÃýã&ãObbs.3c3t.comR3ô]tl(:
低中压锅炉用(GB3087-82)、êGÃýã&ãObbs.3c3t.comR3ô]tl(:
高压锅炉用(GB5310-95)、êGÃýã&ãObbs.3c3t.comR3ô]tl(:
船舶用(GB5312-85)等êGÃýã&ãObbs.3c3t.comR3ô]tl(: