Welcome to Shandong Jiugang Metal Products Co., Ltd. 

WhatsApp :+8618660158768   Email : sales13@jiugangsteelgroup.com  

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

PRODUCT DETAILS


Keyword: Steel Plate

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

Shandong Jiugang Metal Products Co., Ltd. was founded in 2015, located in Jinan City, Shandong Province.  It has a factory building of 20,000 square meters.  Annual output 23,000 tons.We focus on the production and sales of Shandong steel, so we have a high supply capacity.

 

 

Packing and shipping

We mainly produce galvanized, PPGI, stainless steel, galvanized steel, carbon steel, etc., suitable for engineering, coal mine, textile, electric power, boiler, machinery and other fields.

 

 

Customer group photo

We focus on the production and sales of Shandong steel, so we have a high supply capacity. We are glad to receive your inquiry and will reply as soon as possible.

 

 

Application area

We adhere to the "quality first, service first, continuous improvement and innovation, customer satisfaction" business policy, with "zero defects, zero complaints" as the quality goal.

 

FAQ

Jiugang Metal Group arranges and deploys production plan for March

Jiugang Group’s production plan for March 2024

Q1: Are You Manufacture or Trade Company?

A1: We are the professional manufacturer of stainless/carbon/galvanized steel products located in China. Welcome to contact us and visit our factory before you place orders.

Q2: Can I get free samples?

A2: Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.

Q3: How do you guarantee the quality?

A3: We can send free samples to you, we can accept third-party testing. We also have test certificate, every batch goods will be testing before shipment, and the testing report will delivery to you with your goods.

Q4:How many coutries you already exported ?

A4: Exported to more than 50 countries mainly from Qatar, America, Russia, Belarus, Saudi Arabia, United Arab Emirates, Kuwait, Brazil, Egypt, Turkey, Jordan, India, etc.

Q5:How long is your delivery time?

A5:Within 5 days for stock size, 7-15 working days for customized size.

Q6: Can you OEM or ODM?

A6: Yes, we have a strong developing team. The products can be made according to your request

Q7: What is the MOQ?

A7: If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.

Q8:What are the certifications for your products?

A8:We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.

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