Seamless API Oil Tube (Size: 2-3/8", 2-7/8", 3-1/2", 4-1/2")

Date: 03 Sep 2010
1) Size (O. D. ): 1.9", 2 3/8", 2 7/8", 3 1/2", 4 1/2"
2) Wall thickness: 3.18~16mm
3) Thread type: EUE, NUE
4) Steel grade: J55, K55, N80, L80, P110
5) Standard: API SPEC 5CT, API SPEC 5B
6) Quality control

We have implemented stringent quality control tests System to inspect raw materials and examine products in Every stage of the production:

*Size and surface inspection
*Non-destructive test
*Thread inspection
*Hydrostatic test
*Drifting test
*Physical and chemical analysis
*Hardness and pressure test.
Contact information:
Company:
Address:
Shandong Dongbao Steel Pipe Co., Ltd
North of the Crossway of Dongwaihuan Road and Luofu Street,Shouguang, China[262704]
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