YB/T 5052

YB/T 5052 (金刚石岩芯钻探用无缝钢管)· YB (中国) · 12 种材料

名称	材料组别
27MnMoVB grade DZ 65	结构钢	chevron_right
40Mn2 grade DZ 50	结构钢	chevron_right
40Mn2Mo grade DZ 55	结构钢	chevron_right
40Mn2Si grade DZ 50	结构钢	chevron_right
40MnVB grade DZ 55	结构钢	chevron_right
45MnB grade DZ 40	结构钢	chevron_right
45MnMoB grade DZ 60	结构钢	chevron_right
50Mn grade DZ 40	结构钢	chevron_right
A00402	结构钢	chevron_right
A71452	结构钢	chevron_right
A73402	结构钢	chevron_right
U21502	结构钢	chevron_right