We are one leading producer of SA-350 LF3, SA 350 LF3, SA350 LF3, SA-350 LF3 CL1, SA350 LF3 CLass1, SA-350 LF3 CL2, SA350 LF3 CLass2 forged/forging flanges factory from china.
We could produce SA-350 LF3, SA 350 LF3, SA350 LF3, SA-350 LF3 CL1, SA350 LF3 CLass1, SA-350 LF3 CL2, SA350 LF3 CLass2 Forged/forging flanges with diameters ranging from 100MM to 1200MM, with lenth from 100MM to 10000MM, the weight from 10KGS to 15000KGSs
We could do rough or final machined of SA-350 LF3, SA 350 LF3, SA350 LF3, SA-350 LF3 CL1, SA350 LF3 CLass1, SA-350 LF3 CL2, SA350 LF3 CLass2 Forged/forging flanges as per the drawing of the clients
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Heat treatment:
Normalized / Annealed / Quenched / tempered
Surface Treatment:
painting,plating,polishing,black oxide,transparent anti-rust oil
Quality control:
UT,MT,RT,PT,chemical composition test,mechanical property test,etc.
Inspection:
1, Raw material certificate(material chemical composition) 2, Heat treatment sheet report
3, Dimension inspection report      4, UT test report 
Delivery condition:
Hot forged +Rough machined (black surface after Q /T)+ Turned 
Competitive Advantage:
Quality control and management to the whole produce process, including ingot smelting, forging, heat treatment, machining and strictly final inspection prior to delivery.
Excellent product quality and service, competitive price, "in-time" delivery