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Drill Collar
Category：
Oil country tubular goods
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 |
|
Warehouse Storage
Shandong Tyson Industrial Investment Co., Ltd. is a wholly-owned subsidiary of Taian Jinzhengyuan Economic and Trade Co., LTD., founded in 2005, the main products include Cold rolled and hot rolled steel sheet and coil, carbon steel, low alloy steel, alloy steel, A36 low carbon steel, cold rolled sheet, galvanized sheet, pre-coated galvanized coil (GGPI,GGPL), roofing sheet, steel pipe, steel wire, section steel, stainless steel products and other steel products accessories.
Packing and shipping
Annual sales of more than 2 billion, about 600,000 tons of steel, mainly exported to Russia, South America, the Middle East, Southeast Asia, Europe, America and Africa and other markets,
Application field
With quality to win, heart-to-heart full service, competitive prices and other factors, well recognized by foreign customers.
Customer visit
With quality to win, heart-to-heart full service, competitive prices and other factors, well recognized by foreign customers. Your trust, our motivation, looking forward to your sincere cooperation.
Honors
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T/F: 86-538-6993566
Email:info@taisenpaper.com
Cell: +86-13583808650
WhatsApp: +86-13583808650
Cell: +86-13505389181
WhatsApp: +86-13505389181
Wechat: +86-13583808650/+86-13505389181
Add: 2201, Building A, Guoshan Center, Changcheng Road, Taishan District,
Tai 'an City, Shandong Province
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