flange

    Q235 20mn 20# 25# 35# SS400 Rst.37.2

2) material:

Size: 1/2----36

Kind of flange:plate,welding neck,etc

BS4504 NP16,NP25,NP40,BS10TABLE E,BS10 TABLE D,etc

Britain standard

Size:1/2----36

Kind of flange: plate,slip-on,blind etc

DIN2573,2572,2631,2576,2632,2633,2543,2544,2634,2545 etc

Germany standard

Size: 1/2----36

Kind of flange: plate,slip-on,blind,etc.

JIS 5k,10k,16k,20k etc.

JIS  standards

Size:1/2-----60

Class of pressure: class 150,300,600,900,1500

Kind of flage: slip-on,welding neck,blind,threaded,lap-joint,socket-welding etc.

American standards: ASTM ANSI B16.5,API-605,AWWA-C207,MSS-SP44.

1  Standards:

Specification:

standards: American,JIS,Germany,Britain;
material:Q235, 20MN,25# 35# SS400 Rst.37.2
SIZE:1/2"----60"