Standards:API-SPEC 5DP;API SPEC 7-1
Grade:E75;X95;G105;S135
SpeciFication:2 3/8";2 7/8";3 1/2";4";4 1/2";5";5 1/2";6 5/8"
Hard Banding
Arnco 100XT Arnco 300XT Arnco150XT
Botn1000 Botn3000
Innernal Coating;TC2000;DPC;TK34and so on
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