详情
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.
