Standard or Nonstandard
Standard
Material
A36, A105, Q235, A350 LF2, F60, etc.
Pressure
150LBS--2500LBS.PN1--PN400
Wall thickness
SCH5S---XXS
Standard of flange
ANSI,DIN BS4504, AS EN, UNI, NS, GOST,JIS etc.
Surface treatment
Black, red, yellow, galvanized etc.