GB/T 40341-2021

Active

High strength and toughness alloy structure steel bars for deep sea oil field drilling and exploiting

深海油田钻采用高强韧合金结构钢棒

Standard Type
GBT
ICS
77.140.20
CCS
H54
Status
现行
Issue Date
2021-08-20
Implementation
2022-03-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A