GB/T 20409-2006

Abolished

Multi-rifled seamless steel tubes for high-pressure boiler

高压锅炉用内螺纹无缝钢管

Standard Type

GBT

ICS

77.140.75

CCS

H48

Status

废止

Issue Date

2006-08-16

Implementation

2007-01-01

Responsible Dept

中国钢铁工业协会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 711-2008 Hot-rolled quality carbon structural steel plates, sheets and wide strips GB/T 710-2008 Hot-rolled quality carbon structural steel sheets and strips GB/T 20934-2007 Steel tie rod GB/T 702-1986 Hot-rolled round and square steels--Dimension,shape, weight and tolerance GB/T 911-1966 Hot-rolled and forged tool steel flats GB/T 3180-1982 Specification for medium manganese wear-resistant spheroidal iron castings GB/T 3522-1983 Cold-rolled quality carbon structural steel strips GB/T 346-1984 Galvanized low carbon steel wire for electric communications lines