JIS G3439
- JIS G3439 Grade STO-G
- JIS G3439 Grade STO-H
- JIS G3439 Grade STO-J
- JIS G3439 Grade STO-N
- JIS G3439 Grade STO-C
- JIS G3439 Grade STO-D
- JIS G3439 Grade STO-E
Application: Seamless Steel Oil Well, Casing, Tubing and Drill Pipe
Send EnquiryJIS G3439 seamless steel pipe
Seamless Steel Oil well Casing, tubing and the Drill pipe
(JIS G 3439 / JISG3439)
Table 1 and symbol
|
Type of tube |
Material Symbol |
||
|---|---|---|---|
|
Type according to the application |
The type of the material |
||
|
– |
Short thread casing |
1 kinds |
STO-G |
|
Two kinds |
STO-H |
||
|
Three kinds |
STO-J |
||
|
Four kinds |
STO-N |
||
|
Long thread casing |
Three kinds |
STO-J |
|
|
Four kinds |
STO-N |
||
|
Tudor Bing |
Upset with no tubing external tubing upsets |
Two kinds |
STO-H |
|
Three kinds |
STO-J |
||
|
Four kinds |
STO-N |
||
|
Drill Pipe |
Do not upset drill pipe |
1 kinds |
STO-C |
|
Two kinds |
STO-D |
||
|
Three kinds |
STO-E |
||
* World Comferens
|
Standard for |
Standard number |
Material Symbol |
||||||
|---|---|---|---|---|---|---|---|---|
|
JIS |
G 3439 |
STO-G |
STO-H |
STO-J |
STO-N |
STO-C |
STO-D |
STO-E |
|
KS
|
D 3584
|
STO-G |
STO-H |
STO-J |
STO-N |
STO-C |
STO-D |
STO-E |
|
API |
5CT |
– |
H-40 |
J-55 |
– |
– |
K-55 |
N-80 |
