names of goods
standard
use
carbon steel pipes for pressure service
10 ~ 600
 
Ordinary carbon pipes
10 ~ 600
 
General structural
carbon pipes
15 ~ 200
 
Mechanical Structural pipes
15*15 ~ 300*300
 
Structural pipes
15.9 ~ 101.6
 
Steel pipes for green house
19.1 ~ 38.1
 

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