上海恳颂机械技术有限公司
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Casing
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Casing

      We have set up casing producing assembly line, including material testing and monitoring, magaflux, digital control machine and automatically heat-treat equipment etc. Then product’s standards meet API 5CT requirement. We can product all kinds of casing and coupling rang form 4” to 9 5/8”. 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. So our tubing products hold the firm position in class of tip-top quality.

OD mm mmThickness mmThreadOD mmThickness mmThread
J55N80J55 N80J55 N80
114.3(4 1/2”)5.69STC  177.8(7”)12.65 
6.35STC/ LCLC 13.72 
7.37 LC 219.1(8 5/8”)6.71STC
139.7(5 1/2”)6.20   7.72STC
6.98STC  8.94STC/ LC
7.72STC/ LC  244.5(9 5/8”)10.16STC/ LC
9.17STC/ LCLC 8.94STC/ LC
10.54 LC 10.03STC/ LC
177.8(7”)8.05STC/ LCLC 11.05 
9.19STC/ LCLC 11.99 
10.36 LC 13.84 
11.51 LC 15.11







 

 
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