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303070 Hardened Chrome Liner, 6 Inch, Tulsa Triplex TT-450/660/680, Shorty
Item number:303070
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10.68kg 29.2cm
22.2cm 22.2cm
Hardened Chrome Liner 6 Inch for Tulsa Triplex TT-450/660/680 (SKU: 303070) API 7K-certified 42CrMo4 alloy steel (tensile strength ≥980MPa) with quenching+tempering (HRC58-62), hard chrome plating (25μm thickness, salt spray tested 2000hrs corrosion-free), compatible with TT-450/660/680 mud pumps, bore surface roughness Ra≤0.2μm, pressure differential resistance ≥65MPa。
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