plaats van herkomst
Henan, China
legering of niet
Niet-gelegeerd
standaard
API, ASTM, bs, DIN
Material
300series, 304,304L,316,316L
Collapse strength
0.5MPA-25MPA
Length
5.8-12m, range lenth like R1, R2, R3, or customized
Connection
Welding/Threads; STC, LTC, BTC,P
Application
Drill Pipe/Oil pipe
Surface treatment
painted,pickling,passivation