- Contact Person : Mr. Zhou Long
- Company Name : Puyang City Shuangfa Industry Co., Ltd.
- Tel : 86-0393-4711106
- Fax : 86-0393-4710604
- Address : Henan,puyang city,West of Huanghe Road Puyang City
- Country/Region : China
- Zip : 457004
2 7/8'' NU N80 R2 seamless api tubing
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The type of company’s tubing include grade J55.N80-1. before manufacture ,the advanced spectrometer is applied for conducting material analysis ,in the course of calcinations ,the infrared thermometer is used to monitor the heating temperature, the following steps of tempering, thread processing, detecting surface, pressure testing and auto spray painting are completely in accordance with quality control system
Main Technical Parameters of Casing:
Name | Tubing | |||||||
Kind | Non-upset Tubing | Upset Tubing | Special Tubing | |||||
Size | In | 2 3/8’’ | 2 7/8’’ | 3 1/2’’ | 2 3/8’’ | 2 7/8’’ | 3 1/2’’ | Antiseptic tubing,Reverse thread tubing,Various pupjoint and Small drill pipe,etc |
mm | 60.32 | 73.02 | 88.90 | 60.32 | 73.02 | 88.90 | ||
Nominal | Lb/ft | 4.60 | 6.40 | 9.20 | 4.70 | 6.50 | 9.03 | |
Kg/m | 6.85 | 9.52 | 13.69 | 6.99 | 9.67 | 13.84 | ||
Wall thickness | In | 0.190 | 0.217 | 0.254 | 0.190 | 0.217 | 0.254 | |
mm | 4.83 | 5.51 | 6.45 | 4.83 | 5.51 | 6.45 | ||
Internal diameter | In | 1.994 | 2.441 | 2.992 | 1.994 | 2.441 | 2.992 | |
mm | 50.66 | 62.00 | 76.00 | 50.66 | 62.00 | 76.00 | ||
API certificate :
Processing process:
2 7/8'' NU N80 R2 seamless api tubing
