Type:
OCTG Coupling.
Manufacture Method: Hot Rolled.
Standard:
API 5CT PSL 1.
Grade: K55.
Size: 4-1/2 Inch.
Surface Treatment: Galvanized/Black Painting/FBE/3LPE/3LPP Coating.
Independence Inspection: Chemical Test, Mechanical Test.
Third Party Inspection: SGS, BV, INTERNET etc.
Application: Gas & Oil Pipe Line.
Payment Terms: TT/LC, West Union, Paypal, O/A.
Delivery Time: 7-25 Days after Receiving the Deposit.
Class |
Type |
Chemical Components |
Mechanical Performance |
C |
Mn |
Mo |
Cr |
|
Ni |
Cu |
P |
S |
Si |
Yield Strength
(Mpa) |
Tensile strength
(Mpa) |
Hardness |
Min |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Max |
Max |
Max |
Max |
Max |
Min |
Max |
Min |
HRC |
HEW
/HBC |
K55 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
0.030 |
0.030 |
/ |
379 |
552 |
655 |
/ |
/ |