Suggest suitable filler metal for joining dissimilar metals- 1.25 Cr-0.5Mo Steel with X2CrNi12 Steel

Q. Dear Sir, we have a combination of ASTM A387 Gr.11 with X2CrNi12. Would suggest an electrode for this one, please Ans. 1.25Cr-0.5Mo steel is covered under ASTM / ASME A387 Grade 11, class 2 Chromium-Molybdenum alloy, used in a variety of industries and is highly effective, particularly in the oil, gas, and chemical industry, …

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CRO Inconel 625 -SS 316L

Corrosion resistance overlay of Inconel 625 on SS 316L base materials for Sea Water Application? Any pitfalls in the process? Inconel 625, a Ni-based solid solution strengthened alloy well known for its excellent strength and good corrosion resistance at extreme environments used in thermal plants, boiler tubes, petrochemical industry and power plant. Nickel Alloy 625 …

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Is it recommended to use ER309LMo to weld between SS 310S and SA 213 Gr T 11, if design temperature is 450 ° C ?

SA213T11 is a Seamless ferritic low alloy steel boiler tube used in super heater elements, and heat exchangers (P Number 4 ).  This 1 Cr-0.5 Mo alloy is suitable for use in pressure-bearing plants at temperatures up to 538°C. Grade 310S is a low carbon version of grade 310. Grade 310 is a medium carbon …

Is it recommended to use ER309LMo to weld between SS 310S and SA 213 Gr T 11, if design temperature is 450 ° C ? Read More »

Dissimilar welds between P91 (9%Cr-CSEF Steel) and SS 347H?  Which filler metal is to be used? And Why?

P91 steel, a  Cr-Mo Alloy covered under A335/SA335, consists of two phases: ferrite and martensite. It is also known as creep strength enhanced ferritic (CSEF) steel; the main constituents of alloy are 9% Cr, 1% Mo,0.25 V and balanced Fe. Modified P91 is widely used in different kinds of applications demanding high temperature and good …

Dissimilar welds between P91 (9%Cr-CSEF Steel) and SS 347H?  Which filler metal is to be used? And Why? Read More »