Recent content by saanu

Thank you for the suggestions. Will work on them and come back to you once the issue is resolved. Best Regards, S Vignesh

Hi Ed, I will work on your suggestion of baking out the casting. Can you suggest the time and temperature for the procedure. The casting weighs 8.4 Kgs. Do let me know the hold time for the preheat. Thanks and Regards, S Vignesh

Hi Metengr, We use welding grade argon for shielding as well as the transport gas for the powder. thanks, SVignesh

Hi Experts, I am welding a PTA overlay of - Colmonoy 42-P2 Powder on a Cast iron glass mould. We are facing a problem of porosity. We have taken care of cleanliness, quality and quantity of shielding gas etc. Will be glad to read suggestions on eliminating the porosity. Parameters are...

Hi Dik, Thank you for the suggestions. Its one more option to try after the easier ones. Best Regards

Hi, Thank you all. A good starting point for me. Best Regards

Hello Experts, A bit off topic. I need to know how to take pictures of a live welding arc similar to the picture attached.This is for my marketing team. Thanks in advance. Best Regards...

Thank you for the response Weldstan and metengr. Will follow the same procedure.

Hi Experts, We need to overlay CuNi 90/10 alloy on carbon steel flanges IS 2062 . Deposit thickness is about 3mm premachining. See drawing http://files.engineering.com/getfile.aspx?folder=4d08b8a8-2b84-4c51-83f1-73919c506fe3&file=TYPE-18B_001_(2).jpg Overlay on dia B1 and flange side C1 and...

Hi Kingnero , Thank you for your input . Its ESW . Will the parameters remain same for both SAW / ESW ?

Hi Kingnero , We have a 1600 amps CV power source . Thanks

Strip Cladding Hi experts we have a customer who requires 1.5mm SS 304L overlay on a MS pipe diameter 4 metres , thickness 18 mm and length of 5 metres . Information desired is What will be the size of strip recommended . What is the expected linear speed of overlay at 1.5 mm thickness ...

hello Metengr , Thank you for the comments . We have resolved the issue . Pre heat temperature the same that is 149 degrees celsius , current 200 amps at 23 volts , argon gas flow 18 lpm . Job rotation speed 1 Rpm . Stopped oscillation of torch for increased weld bead . We just used a...

Hello Experts , We have a application where we need to surface weld a bore of diameter 75 mm length 200 mm AISI 4130 base metal with filler wire diameter 1.2 mm ERNiCrMo-3 . We preheated the block to get the required pre heat of 149 degrees Celsius as per data sheets available . Process used...