Seamless API Casing Tube

Date: 03 Sep 2010
1. Size: 4-1/2"~20"
Steel grade: J55, K55, N80, N80Q, L80, P110, C95
Thread Type: LTC, STC, BC
Standard: API SPEC 5CT\API SPEC 5B
Length: R1, R2, R3 or fixed length

2. 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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