Carbon Steel Flanges

Material: Carbon steel
ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2,P245GH
P250GH, P280GHM 16MN, 20MN ,20#
Alloy steel
ASTM A182 A182 F12,F11,F22,F5,F9,F91etc.

Standard: ANSI DIN JIS UNI EN

Chemical composition: 16mn →
C :0.13~0.19 Si :0.20~0.60 Mn :1.20~1.60 Cr≤0.30
P≤0.030 S≤0.030 Ni≤0.30 Cu≤0.25
20mn→
C :0.17~0.24 Si:0.17~0.37 Mn:0.70~1.00 S :≤0.035
P :≤0.035 Cr:≤0.25 Ni:≤0.25 Cu:≤0.25


Type:
1.Welding Neck Flange 2.Slip On Flange
3.Blind Flange 4. Plate Flange
5.Lap Joint Flange 6.Socket Welding Flange
7.Threaded Flange 8. Stamping Flange
9 Spectacle Blind Flange

Surface:
Antirust oil, Clear lacquer, Black lacquer, Yellow lacquer,Hot-dipped Galvanized,Electrical galvanized

Technology:
Forged, Casting

Size:
Φ≤3300 mm

Package:
As Customers' Requirements

Heat Treatment:
Normalizing, Annealing, Quenching Tempering

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