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Drill Collar

Product: Drill Collar Standard:API SPEC 7-1 Steel grade:AISI 4145H Sizes:3 1/8" -- 11" Connected Type:NC, IF, REG

Classification :

Oil country tubular goods

+8613115075345

Aven@jsbeigang.com

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PRODUCT DETAILS

Keywords: Steel Plate, Steel Coil , Ductile Iron Pipe

API SPEC 7-1 drill collar is made with rolling or forging AISI4145H chromium molybdenum alloy steel. Therefore, it needs to control chemical composition and the content of trace elements effectively.

Specification

Standard	Number	OD (in.)	ID (in.)	Length (ft)	Weight (lb/ft)	Typical Bending Strength Ratio
SY5144-2007/API7-1	NC 23-31	3-1/8	1-1/4	30	22	2.57:1
	NC 26-35 (2-3/8 IF)	3-1/2	1-1/2	30	27	2.42:1
	NC 31-41 (2-7/8 IF)	4-1/8	2	30 or 31	34	2.43:1
	NC 35-47	4-3 /4	2	30 or 31	47	2.58:1
	NC 38-50 (3-1/2 IF)	5	2-1/4	30 or 31	54	2.38:1
	NC 44-60	6	2-1/4	30 or 31	83

Packing and shipping

We are willing to package and ship products according to the weight, specifications, materials, economic costs and customer requirements. We can provide container or bulk transportation, road, rail or inland waterway and other land transportation methods for export. Of course, if there are special requirements, we can also use air transportation.

Quality inspection

Advanced testing equipment and methods are used to conduct comprehensive testing of key indicators such as size, hardness, and toughness of the product. Track the entire production process to ensure that every process meets quality requirements

Application field

The main supply fields are: aerospace, national defense equipment, military weapons, chemical industry, shipbuilding, nuclear energy, trains, containers, environmental protection, precision Processing, auto parts, machinery, electronic products, molds, medical equipment, construction, decoration, etc.

CUSTOMER VISIT

Due to our continuous and widespread success in overseas market and outstanding social contributions, our company was awarded by the local government for many times. Our products have been exported to Southeast Asia, Middle east, South America, Europe, Oceania and other countries and regions, which enjoys good reputation.