... per customers' requirement 3. Testing: Hardness Test, Ultrasonic Test, Magnetic Test, etc. Forged Hydraulic Flange1. Material can cover carbon steel ... including big forgings.4. Testing: Hardness Test, Ultrasonic Test, Magnetic Test, etc5. Designed and developed by customers' drawings or samples ... PN25,PN40/ Class A, B, C, D, EStandardASME B16.5, ASME B16.47, ASME B16.36,DIN2505,EtcFetureGood strength, ...