公开(公告)号：US3661537A

公开(公告)日：1972-05-09

申请号：US3661537D

申请日：1969-07-16

申请人： JONES & LAUGHLIN STEEL CORP

发明人： ARONSON ARTHUR H ,  LICHY EDWARD J ,  GUESS CLIFFORD A ,  SAMWAYS NORMAN L

IPC分类号： C22C38/12 ,  B21D39/02

CPC分类号： C22C38/12

摘要： A steel composition having particular applicability to the manufacture of high-strength, low-alloy line pipe comprises 0.10 to 0.20 percent carbon, 0.85 to 1.25 percent manganese, 0.10 percent maximum phosphorus, 0.05 percent maximum sulfur, silicon in an amount not adversely affecting steel properties, 0.02 to 0.05 percent columbium, 0.10 percent maximum vanadium, an inclusion shape-control agent selected from the group consisting of zirconium, a rare earth or mischmetal, the balance iron.

摘要翻译： 具有特别适用于制造高强度，低合金管线的钢组合物包括0.10至0.20％的碳，0.85至1.25％的锰，0.10％的最大磷，最大硫的0.05％，不影响钢的量的硅 特性，0.02〜0.05％的铌，0.10％的最大钒，选自锆，稀土或者稀土金属，余量的铁的夹杂物形状控制剂。

公开(公告)号：US3926624A

公开(公告)日：1975-12-16

申请号：US23584972

申请日：1972-03-17

申请人： JONES & LAUGHLIN STEEL CORP

发明人： ARONSON ARTHUR H ,  RAREY CHARLES R

IPC分类号： C22C38/28 ,  C22C33/00

CPC分类号： C22C38/28 ,  Y10T29/49989

摘要： Ferritic stainless steel slabs which can be rolled into strip and sheets free from surface defects are made by incorporating zirconium in the steel in amounts between about seven times and about fourteen times the combined carbon and nitrogen percentages by weight and grinding the slab surface.