1.Material:Alloy steel
2.Quality:API;ISO
3.Delivery time:40 days
4.We are a factory
Detailed Product Description
1.Hole sizes range: 6" to 36" .
2 Type:string&near bit.
3 forge+Q&T+sprial+API connection+hardfacing
4 Delivery date:45days
we professionally machining and produce forged heavy forgings for machinery,chemistry and petroleum exploration,windpower,shipbuilding,metallurgy industries,etc.
1.Our technologies :
forging + rough machining +heat treatment + finsh machining,
including grinding,drilling and boring,threading ,milling.
2.Our quality:
national secondary physical and chemical laboratory,
API standard,
UT & MT test,
mechanical properties testing
chemical composition analys
dimension measurement after each process
3.production capacity
WEIGHT=20T
length =1800mm
OD
