Manufacturers & Suppliers of ASTM A182 F347H WNRF Weldneck Flange Series B, 38\" ASME B16.47 Class 150# Weldneck Flanges Series B, ASME SA182 F347H SS WNRF Welding Neck Flanges Series B, ANSI B16.5 WNRF, DIN 1.4961 Weld Neck Flange, UNS S34709 WNRF Flange, EN X6CrNiNb18-12, Japanese JIS SUS 347H.
