Home » Drilling-Production » Line-pipe » Seamless API Oil Tube (Size: 2-3/8", 2-7/8", 3-1/2", 4-1/2")(Update: 03 Sep 2010)

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

Manufacturer: Shandong Dongbao Steel Pipe Co., Ltd
Address: North of the Crossway of Dongwaihuan Road and Luofu Street,Shouguang, China

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.

2 Products releted to [Seamless-API-Oil-Tube-Size-2-3-8-2-7-8-3-1-2-4-1-2] which in [Line-pipe] cataloge of [Drilling-Production].
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