Min. Order Reference FOB Price
1 Piece US$20.00-5,000.00 / Piece
Product Description
Welding Neck Flange, Long Neck Flange 1)Forged steel flanges/carbon steel flanges/stainless steel flanges 2) Material: 4130, 4140, 4317, 4142, 4340, UNS440, 34CrNi3Mo, 25Cr2Ni4MOV, 18CrNiMo5, 30CrMo, 9Cr2Mo, 9Cr2W, 9Cr3Mo, 60CrMoV etc. 3)Dual certified to ASME/ASTM SA/A182 and ...