Product description
Hex Head/Round Head/Square Head Plug and Hex Head/Flush BushingSize: 1/8"-4"Design standard: ASME B16.11, BS3799Thread: NPT Material: A105, A182 F304, A182 F304L, A182 F316, A182 F316L, A182 F321, A182 F2, A182 F11, A182 F22, A182 F5, A350 LF2 etc. Marking: Size, Wall thickness, material, standard and heat number, or according to customer's requirementSurface treatment: Blackening, or anti-rust oil, or galvanizd Process: Retest of raw materials----Cutting----Forging----Heat treatment----Surface treatment----Machining process----Non-destructive testing----Finished product Inspection----Marking----Packing----Transportation