DIN 2641 Loose Flange lap joint flange PN6

Standard: DIN 2641
Flange type: Loose Flange And Ring With Neck For Welding , lap joint flange
Size range: DN10-DN1200
Pressure class: PN6
Connection type: Ring type joint, lap-joint face,Raised face, flat face, male-female,Large tongue & groove,small tongue & groove.
Process: Forged or Stamped
Specialize: As per drawing
Material:
Stainless Steel Material:
ASTM A182 F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Duplex stainless steel UNS  S32304,S31803,S32205.
Super Duplex stainless steel UNS S32750/S32760/S31260/S32550/S32707
Carbon Steel Material:
ASTM A105, Q235, A350 LF2,ASTM A694 F42/F46/F52/F60/F65/F70/F80
Alloy Steel Material:
ASTM A 182, GR F1,F5, F9, F11, F22,  F91
Copper&Nickel Alloy Material:
CU/NI 90/10, CU/NI 70/30
Nickel Alloy Material:
Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276
Surface treatment:  Anti-rust oil, transparent/yellow/black,Anti-rust paint, Zinc,Hot dipped galvanized
Usage:  Oil field, Offshore, Water system, Shipbuilding, Natural gas,Electric power, Pipe projects,etc