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A HOLLOW LOW ALLOY SEAMLESS STEEL BAR. OF CIRCULAR CROSS SECTION OF AN EXTERNAL DIAMETER EXCEEDING 168.3MM BUT NOT EXCEEDING 406.4MM (279.4MM). NOT FURTHER WORKED THAN HOT FINISHED. FOR MANUFACTURING OF OILFIELD ACCESSORIES. CONTAINING BY WEIGHT; 0.43% OF CARBON (0.9% - 1.15%) 1.01% CHRONIUM (0.5% - 2%) 0.87 MOLYBDENUM (NOT EXCEEDING 0.5%) WITH A CARBON EQUIVALENT VALUE (CEV) NOT EXCEEDING 0,86 (0.836) RANGING IN LENGTH FROM 11000 - 13000MM .

A LOW ALLOY STEEL TUBE THE TUBE IS HOT FINISHED SEAMLESS, OF AN EXTERNAL DIAMETER NOT EXCEEDING 168,3 MM (ACTUAL152.4MM). WITH A CARBON EQUIVALENT VALUE (CEV) NOT EXCEEDING 0,86 (ACTUAL 0.397) OUTER DIMENSIONS 152.4MM LENGTH 19.96 - 26.25 FEET. THE TUBE IS FOR OILFIELD ACCESSORIES, NOT LINE PIPES FOR OIL OR GAS PIPELINES OR CASTING, TUBING AND DRILL PIPES USED FOR DRILLING OIL OR GAS.

A HOLLOW LOW ALLOY SEAMLESS STEEL BAR. NOT FURTHER WORKED THAN HOT FINISHED. FOR MANUFACTURING OF OILFIELD ACCESSORIES. OF CIRCULAR CROSS SECTION OF A DIAMETER NOT EXCEEDING 168.3MM (120.65MM). CONTAINING BY WEIGHT; 0.43% OF CARBON (0.9% - 1.15%) 1.10% CHRONIUM (0.5% - 2%) 0.25% MOLYBDENUM (NOT MORE THAN 0.5%) WITH A CARBON EQUIVALENT VALUE (CEV) NOT EXCEEDING 0,86 (0.788) RANGING FROM 328 - 329 INCHES IN LENGTH

SEAMLESS MECHANICAL TUBING PER ASTM A519 LATEST EDITION GRADE 4140 110KSI CHEMICAL COMPOSITION (Wt %)(ASTM A751/ASTM E350) PLEASE REFER TO ATTACHED MILL CERTIFICATION FOR SUPPORT EVIDENCE

HOT FINISHED SEAMLESS (HFS) MECHANICAL PRECISION NON ALLOY CIRCULAR STEEL TUBE. GRADES: EN10297-1 E355+AR, EN10Z10 S355J2H, EN10216-2 P235GH. OUTSIDE DIAMETER NO LESS THAN 168.4MM BUT NOT EXCEEDING 406.4MM WITH A CARBON EQUIVALENT OF 0.49.