Drill Collar
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Product Description
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 |
ID |
Length |
Weight |
Typical Bending |
|
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 |
|
Products Display
Warehouse Storage
We are a manufacturer and exporter specializing in the research, production, sales, packaging and after-sales service of metal materials. We have been engaged in export trade for more than 10 years and have rich experience in this field.
Packing and shipping
Our main products include carbon steel plate, carbon steel pipe, stainless steel plate, stainless steel pipe, galvanized sheet, galvanized coil, weathering steel, wear-resistant plate, aluminum plate, etc.
Customer feedback
With many competitive advantages such as various products, large inventory, high quality, low price, short delivery time, good after-sales service, our products are popular in China and exported to South Korea, Japan, Russia, Germany, the United Kingdom, Austria, the Czech Republic, Hungary, the Netherlands, Slovenia, Bulgaria, Egypt, Saudi Arabia, Iran, Kuwait, the United Arab Emirates, Türkiye, Israel, Syria Lebanon, Jordan, Yemen, Cyprus, Philippines, Vietnam and Malaysia...
Application field
Company always adheres to the tenet and business spirit of "survival based on quality and development based on reputation", and takes quality as the basis and integrity as the first.
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Product Message
TEL: +86-18063568663
WhatsApp : +86-18063568663
E-mail : diana@baixinxinmetal.com
ADD : Dongchang Road, Economic and Technological Development Zone, Liaocheng City, Shandong Province, China