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Changzhou Oilfield Petroleum Equipment Co., Ltd.
Changzhou Oilfield Petroleum Equipment Co., Ltd.
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API drill pipe coupling for tools joint

Changzhou Oilfield Petroleum Equipment Co., Ltd.
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API drill pipe coupling for tools joint

API drill pipe coupling for tools joint

Drill pipe coupling Tool joint mechanical properties-- SPEC Yield strength Tensile Strength Elongation HB Charpy impact test Mpa Mpa % A kv (J) API SPEC 7 ≥827.4 ≥965.3 ≥13 ≥285 // SY/T 5290-2000 ≥827 ...

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