GOST 12820-80 CT20 PLATE FLNAGE

Material

Carbon steel

 ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH 

P250GH, P280GHM 16MN, 20MN ,20# 

Stainless steel

 ASTM A182, F304/304L, F316/316L

Alloy steel

ASTM A182 A182 F12,F11,F22,F5,F9,F91etc.

Standard                           

ANSI

Class 150 Flanges-Class 2500 Flanges

DIN

6Bar 10Bar 16Bar 25Bar 40Bar

JIS

5K Flanges-20K Flanges

UNI

6Bar 10Bar 16Bar 25Bar 40Bar

EN

6Bar 10Bar 16Bar 25Bar 40Bar

TYPE

1.Welding neck Flange    2.Slip on

3.Blind flange                   4.Long welding neck flange   

5.Lap joint flange             6.Socket welding

7.Threaded flange           8.Flat flange

Surface

Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized,electrical galvanized

Connection

Welding, Threaded

Technical

Forged, Casting

Size

DN10-DN3600

Package

1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 2:As Customers' Requirements                         

Heat Treatment

Normalizing, Annealing, Quenching+Tempering

Certificate

TUV,ISO9001:2008;PED97/23/EC,ISO14001:2004,OHSAS18001:2007

Applications

Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc.