Search Results for 'api 4145h steel'

Drill collars (Type A, B and C) are manufactured according to API and SY/T standards. Drill Collars (Type A and B) are made of 4145H chromium molybdenum alloy steel, chemical composition and residual elements are well controlled. Drill collars.....

Shenlong drill collars are manufactured from 4145H modified steel.Drill collars are bored and drifted to API Spec7-1 and fully heated to meet or exceed the mechanical property requirements of API Spec7.Hardness range of 285-341HB and a charpy V.....

Heavy weight drill pipes we produce is made from AISI 4145H alloy steel. We manage our production and inspection process strictly according to API SPEC 7 requirements. Excellent quality of our products have been proved by many famous chinese.....

Drill collars we produce is made from 4145H forging or rolling modified steel. We manage our Production and Inspection Process strictly according to API SPEC 7 requirements. All connections are phosphate-coated to improve resistance to corrosion. We.....

Product Description：Drill collars are manufactured from AISI 4145H modified steel, according to API Spec 7. A hardness range of 285-341.OD rang from 79.4mm to 279.4mm.length 9150mm ro 9450mm Product Feature：Drill collars are.....