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API Non-Magnetic drill tools(drill collar)

API Non-Magnetic drill tools(drill collar)

Supply Ability : 1000 Piece/Pieces per Month
Certification : API
Packaging Details : packing into iron shelves or other seaworthy packing
Delivery Time : within 30-45 days after getting the order
Port : Qingdao/Tianjin
Payment Terms : T/T,Western Union,MoneyGram
MOQ : 1 Piece/Pieces
Use : Well Drilling
Processing Type : Forging
Place of Origin : Henan
Brand Name : ZS
Material : High Manganese Steel
Model Number : ZSNMDC001
FOB Price : US $ 100-25,000/ PieceGet Latest Price
Machine Type : Drilling Tool
Type : Drill Collar
Category : Mining Machinery Parts
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1. Type: Non-Magnetic Drill Collars
2. Certification: API
3. Material: Stainless Steel
4. Machine Type: Drilling Tool

Materials of- Non-magnetic drill collars are made from chrome manganese low carbon austenitic alloy, which has following characteristic:

The chemical composition should be controlled strictly during the refining and forging process.

With excellent lower Magnetic permeability, high strength of mechanical properties and outstanding resistant to stress corrosion cracking and no tendency to galling.

Mechanical Properties

OD
Size

Yield Strength
σ0.2
Mpa(psi)

Tensile Strength σb
Mpa(psi)

Elongation
δ4%

Reduction of are
%

Impact
Ft.1b

3 1/8~6 3/4

≥758
(110,000)

≥827
(120,000)

≥18

50

≥50

7~10

≥689
(100,000)

≥758
(110,000)

≥20

-

Mechanical properties
-non-magnetic has the listed mechanical properties along its overall length.

Non-magnetic properties--
Magnetic permeability (when MPS=1×105/4πNm)
* Relative Max: 1.010
* Average: μr≤1.005
Magnetic Field Gradient (hot spots)
* Max: B ≤ 0.05 micro Tesla/100mm

-


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