TOBOGROUP C207 class B class D ASTM A694 F42 steel-ring flanges
size 4'' ~144''
Class B 86 PSI and CLASS D 175~150psi
1. Carbon Steel ASTM A694 F42 F46 F48 F50 F52 F56 F60 F65 F70;
ASTM A105 A105N A36 , ASTM A350 GR. LF1 LF2 LF3 LF5 LF6 LF9 LF787,
ASTM A182 F5 F9 F11(class 1,2,3) F12(class 1, 2) F22(class 1, 3)
F21, F23, F24, F91
2. ASTM A694 Carbon and Alloy Steel Forgings for Pipe Flanges,
forged Fittings, Valves, and Parts For High-Pressure Transmission
ASTM A350 carbon and low-alloy steel flanges, forged forgings,
requiring notch toughness testing for piping components.
ASTM A182 forged or rolled alloy steel pipe flanges, forged
fittings, valves and parts for high-temperature service.
Packing: Non- Fumigate Plywood/Wooden Pallet or Case
Usage: Oil Field, Offshore, Water System, Shipbuilding, Natural
Gas, Electric Power, Pipe Projects etc.