A SEAMLESS PROFILE OF ALLOY STEEL. NON MAGNETIC FORGING. WITH EXTERNAL DIAMETER OF 311.15MM. WILL BE FURTHER WORKED FOR USE IN DOWNHOLE DRILLING INDUSTRY FOR OIL.
A SEAMLESS PROFILE OF ALLOY STEEL. NON MAGNETIC FORGING. WITH EXTERNAL DIAMETER OF 311.15MM. WILL BE FURTHER WORKED FOR USE IN DOWNHOLE DRILLING INDUSTRY FOR OIL.
A SEAMLESS PROFILE OF ALLOY STEEL. NON MAGNETIC FORGING. WITH EXTERNAL DIAMETER OF 311.15MM. WILL BE FURTHER WORKED FOR USE IN DOWNHOLE DRILLING INDUSTRY FOR OIL.
Justification du classement
CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6. CN CODE 73042930 OF AN EXTERNAL DIAMETER EXCEEDING 168.3MM, BUT NOT EXCEEDING 406.4MM