... hope we establish long cooperation relation.Nameastm a105 welding neck flangeSize: 1/2"-48"thick: sch40,sch80Pressure ... , D, EType: integral pipe flange,threaded flange,socket welding flange,welding neckflangeStandard:ISO, GB 12459-2005, ASME B16.9 ... customer’s requirement.Applicable range:Petroleum products, chemicals, natural gas, power plant, machinery, electronics, shipbuilding, PaymentPayment by ...