【摘要】 对管线钢的现状和发展进行了详细的论述，指出管线钢的发展趋势是向着超纯净度钢、超细晶粒钢、针状铁素体钢和超低碳贝氏体钢、焊接无裂纹钢、焊接高热输入钢和高抗腐蚀钢的方向发展更多还原

【Abstract】 This paper discusses in detail the situation and development of pipeline steels. It is pointed out that ultra-purified steel, ultra-fine grain steel, acicular ferrite steel, ultra-low carbon bainite steel, non-welding crack steel, high welding heat input steel and corrosion resistant steel are the development tendency of pipeline steels.更多还原