GB/T 13320-2007

Active

Metellographic grading atlas and assessing method for steel die forgings

钢质模锻件金相组织评级图及评定方法

Standard Type

GBT

ICS

77.140.85

CCS

J32

Status

现行

Issue Date

2007-04-18

Implementation

2007-11-01

Responsible Dept

中国机械工业联合会

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