Description

Specifications:

-Type:Drill string or near bit

-Straight or spiral

-Material: a solid bar of ***5H MOD steel or Non-magnetic steel

-OD:6'~*8'(inch)

-Length:max 9m

-Blade: normal 3~4blades( as customer request)

-Hardfacing: HF***0~***0 optional

-Standard: API spec **1(Or as your technology requiment)

-Process type:Forging

-Process:EAF+LF+VD+(ESR)+Forged+Heat treatment(optional)

-Surface finish: Black,Peel,Turned,Polished

-Delivery condition: Hor forged,Heat treatment,Roungh machining



Mechanical properties:

1.Tensile strength：min**4Mpa



2.Yield strength: min**8Mpa



3.Charp V-notched toughtness: *4J(*0ºC),*0J(**0ºC)



4.Elongation: min*3%



5.Reduction of area: min*0%



we hope to manufacture even higher quality product with strength,innovation and perfermance.



Now,let's talk more.