Oil Country Tubular Goods (OCTG) (new)
TMK
Russia
Upstream
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TMK
(SKU: 1)
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Russia
Upstream
-
TMK
(SKU: 1)
-
-
Corrosion-resistant chrome-nickel TMK-C alloy is designed for the production of casing and tubing used for wells construction in oil and gas fields with high content and partial pressure of H2S and СО2 in the extracted product.
Application area of TMK-C alloy
- Ambient temperature up to 235° С
- СО2 pressure more than 0.014 MPa
- H2S pressure more than 3.45 MPa
- High chlorides content
- Low рН
Short chemical composition of TMK-C alloy
С, % |
Cr, % |
Ni, % |
Mo, % |
S, % |
P, % |
≤ 0.02 |
24 - 27 |
29.5 – 36.5 |
2.5 - 4 |
≤ 0.01 |
≤ 0.03 |
Mechanical properties of TMK-C alloy pipes
Yield strength σ0.2, MPa |
Tensile strength σв, MPa |
Elongation δ, % |
Charpy absorbed energy at 0 ⁰С, J/cm2 |
|
longitudinal samples |
transverse samples |
|||
758 - 965 |
≥ 793 |
≥ 12 |
≥ 60 |
≥ 40 |
Shear area in longitudinal samples, % |
Hardness HRC |
≥ 70 |
≤ 32 |
Production flow chart of TMK-C alloy pipes
Hot pressing of semi-finished product |
→ |
Cold rolling of pipes and coupling stock, NDT |
→ |
Couplings production, threading, make-up of "TMK UP PF" Premium connection, hydrotesting |
Source :- https://www.tmk-group.com/tmk-c