Crosshead for FMC BEAN A04/E04/R10/R2020 Series (SKU:1216823) Forged from 45# alloy steel with closed-die forging, quenching+tempering (HRC58-62) and nitriding surface hardening (HV900-1050). API 7K certified for high-pressure mud pumps, tensile strength ≥950MPa, ensuring reciprocating motion sealing stability in power ends。
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