Welding 2205 Stainless Steel Pipe

4 type 2205 code plus two duplex stainless steel welding.

Welding 2205 stainless steel pipe.

We normally suggest that when developing a weld procedure it is critical to test the corrosion resistance the impact toughness and the ferrite austenite mix in the weld qualification. Because welding duplex stainless steel is not fool proof it is important to perform quality checks. In general fcaw is not used for the best it is ugly difficult to control and the heat input is large and gmaw is also not used. Duplex 2205 stainless steel pipe combination of ferrite and austenite is the most beneficial properties has the very good resistance to chloride stress corrosion cracking is made up of 21 chromium 2 5 nitrogen and 4 5 molybdenum nickel alloy consisting of duplex stainless steel it is the yield strength of austenitic stainless.

Duplex stainless steel dss is mainly divided into duplex 2205 pipes and fittings flanges etc. Good solderability and low thermal cracking tendency. Duplex 2205 stainless steel is a type of stainless steel which is different from austenitic 304 316 stainless steel has better mechanical properties chemical properties and higher prices. There shall be no pitting at 20 x magnification.

It should be easy to achieve full penetration. 4 3 6 micro structural examination type 22 and 25cr duplex stainless steel shall be examined and the test samples shall comprise a cross section of the weld metal haz and the base metal of the pipe. A suitable electrode diameter is 5 64 3 32 inch 2 2 4 mm depending on base metal thickness welding position and accessibility for root side grinding. Duplex 2205 stainless steel pipe perfomace and comparison.

The weight loss shall not exceed 4 0 g m2. Selection of a joint design should accommodate the following guidelines.