Abdulwahab Benhadji

23 Questions 12 Answers 0 Followers

Questions related from Abdulwahab Benhadji

Why H2SO4 adding to HCl after recycling of HCl from used HCl on the production line?

There is a recycling system for HCl which is used on the steel descaling on production line. When you get fresh HCl after recycling, you have to add some H2SO4 for react to steel again. I need to...

09 September 2017 5,848 0 View

How can I find the accredited laboratories in Europe? Is there any search engine?

I am trying to find any accrediated laboratory for the "Low Relaxation Testing according to ASTM A 416" in Europe. Anybody help?

05 May 2017 1,787 1 View

Where can I find SEM photos of Cold formed austenitic stainless steel?

08 August 2016 7,031 2 View

I am trying to find ECOVER coatings process. Anybody know?

Some company has a process of "Heavy Galvanise+ECOVER" coating. I need to to what is ECOVER. Anybody know details about it?

08 August 2016 4,813 0 View

Is there any publishment of microstructure, formation and etc. for Galfan coating (%95Zn-%5Al)?

I am working on Galfan coating and I need some of information for phase evaulation between steel and Galfan coating with microstructure photos. Anybody help?

06 June 2016 1,378 2 View

Which parts of automobile are made from steel wire (for ex. shock absorber spring etc.) ?

We are producing steel wire. I am trying to find automobile parts which made from steel wires so I can focus on them. Anybody have information?

06 June 2016 6,391 0 View

How does the second oxide scale occur on the steel?

I saw the blue color on the steel surface. some people call that "blue rust" but I think it is second oxide scale. How the second oxide scale occur on steel? How can I avoid it?

12 December 2015 5,180 4 View

How to get different colored zinc oxide ?

I am trying to get different colour of zinc oxide. It can be with chemical solution or any other process. Anybody have an idea?

11 November 2015 5,284 0 View

What is chemical reactions in hot dip GALFAN(%95Zn-%5Al) coating?Also,what is effect of aluminum in the %95 Zn-%5 Al coating?

Your toughest technical questions will likely get answered within 48 hours on ResearchGate, the professional network for scientists.

08 August 2015 8,975 0 View

Does anybody know which metal not have reaction with Zinc?

Anybody knows which metals doesn't have reaction with Zinc?

08 August 2015 3,254 1 View

What is the area of usage of a resistance wire with diameter is 0,36mm?

I have 0,36mm FeCrAl alloy resistance wire but I don't know the area of usage, can anybody help me?

07 July 2015 189 3 View

Does a secondary oxide layer on steel cause a problem with galvanizing?

I need any documents for the secondary scale on steel has problem with galvanizing. Anybody have it?

06 June 2015 3,348 3 View

For cleaning the rust on steel surface, which solution can clean as HCl on the same time?

I am searching a new solution or new technique for cleaning the rust from steel surface. Anybody has any information?

05 May 2015 4,800 2 View

Anybody have information about "carbon "heaters" ?

I am searching to carbon heaters. I want to use carbon heaters for heating the galvanizing bath. Our burners has ceramic tube so it is deforming in 3 months. I am thinking to replace with carbon...

03 March 2015 2,828 4 View

What is the behaviour of pure titanium with respect to change in temperature?

I am searching the behaviour of pure titanium against temperature cause I will heat pure titanium appx. to 500 C. Anybody have any graph or information?

03 March 2015 3,997 3 View

What is the are of usage for 304L, 309S and 316L stainless steel wire?

I am searching the areas of usage for the quality of 304L, 309S and 316L stainless steel wire with diameters. I need to area of usage with diameter of stainless steel wire?

03 March 2015 4,836 1 View

Anybody knows to drawing process of 80Ni20Cr alloys?

I am trying to produce resistance wireof NiCr alloy. I need to find drawing, annealing process details. Anybody has information?

02 February 2015 8,917 3 View

What should be the temperature range for annealing to FeCrAl alloy (%20-23,5Cr-%5Al)?

I have a wire rod of FeCrAl alloy and after wire drawing, I need to anneal of this alloy and neet to temperature range for anneal (%20-23,5Cr-%5Al)?

01 January 2015 5,615 9 View

How can I make electro zinc-phosphate coating to steel wire before wire drawing process?

I am coating the zinc-phosphate coating with dipping method but searching for electro zinc-phosphate method. Anybody have information about concentration, voltage ot method etc. ?

01 January 2015 6,783 3 View

Is it necessary to the zinc phosphate process for especially for lubricant before cold drawing of stainless steel?

Before cold drawing of stainless steel, zinc phosphate process is necessary or not? With zinc phosphate process, the wire is taking soap for drawing steel but for stainless steel, any different...

01 January 2015 7,065 3 View

How can I clean the lubricant after drawing wire?

I tried to clean with HCl but not effective. Anybody have different idea?

01 January 2015 8,586 14 View

What is the behaviour of the pure titanium in galvanizing bath?

I am heating the galvanizing bath with ceramic tubes which is covering the heaters but the life of that tubes is between 6-12 months. I am searching the pure titanium to using in galvanizing bath...

01 January 2015 7,961 5 View

Does anybody have the TTT diagram for FeCrAl alloy?

Could not find any information about TTT diagram for FeCrAl?

01 January 2015 8,032 0 View