Intro: 

stainless flange Materials and Grade
.Carbon steels: ASTM A105(N), A350 LF2, LF3, A694, A36 etcC. / The equivalent acc. to DIN, BS, JIS ETC.
.Stainless steels: ASTM A182 F304/L, F316/L, F316Ti, F310,F317, F347, F321, F44 etc. / The equivalent acc. to DIN, BS, JIS ETC.
.Alloy steels: ASTM A182 F1, F5/A, F6, F7, F9, F11, F12, F22, F51, F55 etc. / The equivalent acc. to DIN, BS, JIS ETC.

Types of stainless flange Faces:
1.Raised Face
2.Flat-Face
3.Ring Joint
4.Tongue&Groove
5.Male&Female

Flange Type: Slip-On flanges, Welding Neck flanges, Blind flanges, Socket Welding flanges, Threaded flanges, Lap Joint flanges and Plate flanges etc.
Pressure Ratings: Class 150, 300, 600, 900, 1500 and 2500
Pressure Ratings: PN 6, PN 10, PN16, PN25, PN40 and PN64
Pressure Ratings: JIS 5K, 10K, 16K and 20K
Materials:Carbon steel, Stainless steel and Alloy steel etc.
Standards:ANSI, API, BS, DIN, UNI, JIS and MSS SP etc.
Size:1/2" ~ 64"(DN15 mm ~ 1600 mm)