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Hallo! How shuold I remowe water marks from stainless steel on metalsurface? I tried alchohols, and different solvents but without success. I cannot use oii or some similar fluids. thanx

Hay all1 i am searching a reliable high Temperature off shore (up to 600 ° C) painting system for cast steel and stainless steel, aluminum. Do you have some suggestions? How shoudl I prepare surface? How many layers their thickness etc. Any input is welcom.

We are having a larger stock of valve bodies made of cast steel CF3M and corrosion appears due to humidity in our warehouse which can not be decreased. What are you proposed to protect the corrosion? medium should be effective nit exensive and easy to use? Any sugegstions? How do you remove...

Hay to all! Do you have some experiences by applying a clean laser system for cast valve cleaning (inside)? Are there some suggestions? How good can you clean the cast? Do you remove all dirtiness? Any input is welcome! Thx

Hay which measuring device do you suggest for detection of pores in cast steels? It should be easy to use one for manufacturing application. Thank you G

Hay We are using CAST steel A351 CF8. After cleaning of this cast steel with acid spots like oil spots remain. I am attaching the photo. Does somebody have an idea what those spots are? We can not remove them by cleaning agent, acid, base only mechanically by grinding. Thx JG...

Hay! i would like to improve porosity at Cast steel CF3M. We obserev that cast steel is porouse. We would like to improve cast surface woith postprocessing. Currently we are grinding and welding the surface. Do you have some other suggestions? We are in contact with cast steel supplier but...

Hay there! does there exist some stanfdard a351 cf8mmaterial which could be bought for some analytical porpouse? if yes where we can buy a351 cf8m let say some small quantity a plate or chip? thanks for answer

Hallo I have question. From raw material supplier we obtain material in desired form (cast). We assemble this part and clean it (with first hot water and after with dry ice and again in hot water). Material surface is completely clean. After applying pressure on this part some spots appear on...

Hay! i am serching pressure temperature rating for material 1.4122. There is no asme equivalent. Does somebody has such table diagramm? Any input is welcom! thx jg

Hay there! Does sbd. has an example of how does process instructions for production assembling of goods (valves) which undergo under ATEX directive looks like (a simple flow chart). What and where the ATEX must be applied? Which proofs do the assembling workers have to have (certificates...

Hay I am searching a measuremnt tool for measuremnt of oil and fat remains on steelsurface (all type cast forged, stainless steel etc) prior painting it. i would need a small sensor portable) if exist. some ideeas? thanks

Hay! can you give me names of testing method (tools) company which you are using for oil, grease and fat measurements on the stainlesssteel surface acc to ASTM G93. i am searching a good roboust and reliable tool which meeasures remains of oil fat and grease after cleaning application. Any...

Hallo I have a valve leakage data for water at room temperature. Can it be recalculated into test oil with given viscosity and density data at room temperature. Does exist a standard calculus? How abouth at different temperature ? Is there equation for this? Of course we will perform test ...

We have product made of two parts connected with flange. My task as junior engineer ist to predict if it would be possible to lift or product if 4 holes –made in flange can survive this lifting. Data are as follows-total weigt 1000kg, flange made of AISI 304 stainlessteel. Used for O ring...

Hay! Does there exist a table or a list of comparison between ASME Boiler & Pressure Vessel Code and Russioan TRCU Technical regulations of Customs Union "On the safety equipment of high pressure". I am essspecially interseted in strength calculations. Does sbd has sth or knows where to look...

Hay! I am searching amethod for surface cleanliness measurements on cast steel surface. Does sbdy has some experineces on this subject? We need to measure surface cleanliness and detect it. The surface is not flat. What do you use? It is a manufacturing application! Thanks in advance! G

Hay does sombody have some data or info abouth corrosion rate of A352LCC with HF and HCl mixture in any ratio! If not this at least in pure Hf and pure Hcl? temperature abouth 40degC. Thanks JG

Hay! I am searching a powerful hardener for melamine urethan resins. Can you sufggest some of them? I would like to use resin add a crosslinker btw hardener and assure that at higher temperatures they will be good crosslinked. thanks in advance! jg

I am searching analyser (online) ifpossible, which could be used to distinguish between different impregnated paper types. Does somebody knows such analyser or analytic method for online measurements? As you know suppliers use different resins to impregnate paper however they are all very...