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  • Drill Collar (1).jpg
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  • Drill Collar (2).jpg

Drill Collar

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

الفئة:

Oil country tubular goods

واتساب:

8613165106767

البريد الإلكتروني:Jncreate@foxmail.com


رسالة

وصف المنتج

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

 

 

Warehouse Storage

Our company is committed to providing a series of high-quality, innovative and cost-effective steel products, which are widely used in various industries. With more than 3,000 independent patents, the annual output of steel products exceeds 5 million tons, and the inventory exceeds 200,000 tons.

 

 

Packing and shipping

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.

 

Customer conversation

 We adhere to the management principle of "quality first, service first, continuous improvement and innovation to meet customer needs", and strive to build a leading world-class manufacturer in China.

 

 

Application field

Construction and decoration field, cooking equipment, kitchenwares, household appliances, food processing equipment, hospital surgical equipment, shipbuilding, oil industry, refrigeration equipment, papermaking industry, pressure vessel, chemical equipment, bridge construction, textile printing and dyeing equipment.

 

استفسار الزبون

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