Professional 321 317L Stainless Steel Polish Tubing
benefits of Using Professional 321 317L stainless steel polish tubing in industrial applications Stainless steel tubing is a versatile material that is widely used in various industrial applications due to its durability, corrosion resistance, and aesthetic appeal. Among the different types of stainless steel tubing available in the market, professional 321 317L stainless steel polish…
benefits of Using Professional 321 317L stainless steel polish tubing in industrial applications
Stainless steel tubing is a versatile material that is widely used in various industrial applications due to its durability, corrosion resistance, and aesthetic appeal. Among the different types of stainless steel tubing available in the market, professional 321 317L stainless steel polish tubing stands out for its superior quality and performance.API 5ct L80 Casing tubing grade Color Codes | ||||
Grade | Grade Type | Number and Color of Bands for Product a with length ³ 1.8 m | Color(s) for couplings | |
Entire Coupling | Band(s) b, c | |||
1 | 2 | 3 | 4 | 5 |
H40 | — | None or black band at the manufacturer’s option | None | Same as for Pipe |
J55 Tubing | — | One bright green | Bright green | None |
J55 Casing | — | One bright green | Bright green | One white |
K55 | — | Two bright green | Bright green | None |
N80 | 1 | One red | Red | None |
N80 | Q | One red, one bright green | Red | Green |
R95 | — | One brown | Brown | None |
L80 | 1 | One red, one brown | Red | One brown |
L80 | 9Cr | One red, one brown, two yellow | None | Two yellow |
L80 | 13Cr | One red, one brown, one yellow | None | One yellow |
C90 | 1 | One purple | Purple | None |
T95 | 1 | One silver | Silver | None |
C110 | — | One white, two brown | White | Two brown |
P110 | — | One white | White | None |
Q125 | 1 | One orange | Orange | None |
a In the case of coupling material, unless otherwise specified in the purchase agreement, the manufacturer’s internal requirements shall govern. | ||||
b special clearance couplings shall also have a black band. | ||||
c Seal-ring couplings shall also have a blue band. |
