Drilling Pipes, buy Kelly Bar (API Spec 7) on China Suppliers Mobile

Kelly Bar (API Spec 7)

Negotiable /Set

Min.Order:10 Sets

Supply Ability:

5000 Set / Sets per Month

Payment Terms:

T/T L/C D/P D/A

Delivery Detail:

7 days

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Place of Origin:

China

Model Number:

API Spec 7

MyChinaLion Petroleum Technique Co.,Ltd

Business Type: Trading Company

Main Products: Drill rig and spearparts ,tubing , casing , well head , Christmas tree , pumping unit , technical service and new energy equipments.

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Product Details

*Features of Kelly Bar (API Spec 7):
Our company offers square and hexagonal kellys. Kellys are available up to 46 feet long.Our kellys are made from 4145H modified alloy bars that are quenched and tempered full length. A hardness range of 285 to 341 BHN and a minimum impact value of 40ft-lbs are maintained one inch below the surface at room temperature. All ends and center of Kelly Bar drive sections trepanned to provide true bores. They are drifted to API specifications, and all connections are machined. Kellys are stamped with the API monogrom, where applicable.
*The parameter of Kelly Bar (API Spec 7):

Bottom Upset	Yield Strength	Tensile Strength	Elongation	Brinell Hardness	Impact AKV
Bottom Upset	σb(MPA)	σs(MPA)	δ4(%)	HB	(J)
85.7174.6	≥758	≥965	13	≥285	54
177.8	≥689	930	13	≥285	54