Spline Crankshaft FMC Bean L09HD Series (SKU:P508295) Forged from API 7K-certified alloy steel (tensile strength ≥1080MPa), quenched and tempered with nitrided surface (≥1000HV hardness), compatible with L09HD series high-pressure mud pumps, 1000h salt spray corrosion-free, fatigue life ≥5×10⁶ cycles, ensuring high-torque durability .
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