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China API Spec 7-1 Non-Magnetic Drill Collar 6 1 2"-Nc46 pictures & photos

China API Spec 7-1 Non-Magnetic Drill Collar 6 1 2"-Nc46

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Min. Order / Reference FOB Price
1 piece	US $5000.00/ piece

Local Area:	Shijiazhuang, Hebei, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, PayPal, WesternUnion, Small-amountpayment

Manufacturing Process:	Forging and Integral Heat Treatment
Surface Treatment:	Without Processing
Operation Pressure:	Atmospheric Pressure

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Product Information
Non-Magnetic Drill Collar are made of low magnetic stainless alloy steel by combining a proprietary chemical analysis and a hammer forging process. The material is resistant to stress corrosion cracking. With high mechanical properties, low magnetic permeability, excellent machineability and no tendency to galling. Production standard: API Spec 7-1 and API Spec 7-2.
The parameter of Non-Magnetic Drill Collar according to API Spec 7-1 specifications.
Drill Collar ThreadOutside Diameter DInside Diameter dLengthChamfer DiameterReference Bending Strength RatioLDfmminmminmmmmNC31-41(27/8IF)104.84 1/850.829140or9450100.42.43:1NC35-47120.74 3/450.829140or9450114.72.58:1NC38-50(31/2IF)127557.22 1/49140or94501212.38:1NC44-60152.4657.22 1/49140or9450144.52.49:1NC44-60152.4671.42 13/169140or9450144.52.84:1NC44-62158.86 1/457.22 1/49140or9450149.22.91:1NC46-62(4IF)158.86 1/471.42 13/169140or94501502.63:1NC46-65(4IF)165.16 2/457.22 1/49140or9450154.82.76:1NC46-65(4IF)165.16 2/471.42 13/169140or9450154.83.05:1NC46-67(4IF)171.46 3/457.22 1/49140or9450159.53.18:1NC50-67(41/2IF)171.46 3/471.42 13/169140or9450159.52.37:1NC50-70(41/2IF)177.8757.22 1/49140or9450164.72.54:1NC50-70(41/2IF)177.8771.42 13/169140or9450164.72.73:1NC50-72(41/2IF)184.27 1/471.42 13/169140or9450169.53.12:1NC56-77196.87 3/471.42 13/169140or9450185.32.70:1NC56-80203.2871.42 13/169140or9450190.13.02:16 5/8REG209.68 1/471.42 13/169140or9450195.72.93:1NC61-90228.6971.42 13/169140or9450212.73.17:1
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