YB/T 2008-2007
不锈钢无缝钢管圆管坯
Stainless steel seamless round tube blank
2007-01-25
T/SSEA 0067-2020
奥氏体-铁素体型双相不锈钢圆管坯
2020-09-10
T/SSEA 0119-2021
耐高温含钨奥氏体不锈钢圆管坯
2021-07-30
T/CSTA 0003-2020
奥氏体-铁素体型双相不锈钢圆管坯
2020-09-10
YB/T 5221-2014
合金结构钢热轧和锻制圆管坯
Alloy structure steel round tube blank hot rolled and forged for making seamless tube
2014-10-14
YB/T 5222-2014
优质碳素结构钢热轧和锻制圆管坯
Quality hot rolled and forged carbon structural steel round tube blank
2014-10-14
T/SSEA 0150-2021
高压锅炉用不锈钢无缝钢管圆管坯
2021-11-22
T/ZZB 0311-2018
高压锅炉耐热不锈钢无缝钢管用圆管坯
2018-02-02
YB/T 4759-2019
酸性油气田用不锈钢无缝钢管圆管坯
Stainless steel round billet of seamless steel tube for wed sour gas field
2019-08-27
T/CISA 020-2019
08Cr19Mn6Ni3Cu2N高强度含氮奥氏体不锈钢热轧（锻）无缝钢管圆管坯
2019-10-08