Non-magnetic drill collars
USD $1,000 - $100,000 /Piece
Min.Order:1 Piece
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Goldenman Petroleum Equipment Co., Limited
API 7spiral drill collar
API 7-1 drill collar
drill collar (API)
Drill collar
API Drill collar
API Drill collars
Product Details
ODSize
Yield Strengthσ0.2Mpa(psi)
Tensile Strength σbMpa(psi)
Elongationδ4%
Reduction of are%
ImpactFt.1b
3 1/8~6 3/4
≥758(110,000)
≥827(120,000)
≥18
50
≥50
7~10
≥689(100,000)
≥20
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