I am from Vietnam. Thank you very much. Your lessons is very help full for me and for my office engineers. Also, your English is very unique and it is easily understood for me. I am waiting for more useful lessons from you. Good health to you!
I appreciate you, sir your videos is very help full for us and also the way of your explaining about materials is a genuine way very easy to understand, I like it. :)
Ypu are a great asset to the world, Thank you for all the effort
I am from Vietnam. Thank you very much. Your lessons is very help full for me and for my office engineers. Also, your English is very unique and it is easily understood for me. I am waiting for more useful lessons from you. Good health to you!
Please keep posting such interesting and knowledge based videos. Every beginner would be appreciate it a lot!!
I appreciate you, sir your videos is very help full for us and also the way of your explaining about materials is a genuine way very easy to understand, I like it. :)
Thankyou for your support, I already send PDF file to you.:)
Good job Stephen. At end u should conclude, with purpose and its importance.
Thanks for explaining the materials in videos 1 to 5. Very helpful and educating.
Thank you for the video.. It is really helpful
Great job Sir, thank you!
Nice, comparative information given of volve materials.
Thanks for your videos.. it's useful...
Kindly create video for which material used for application wise
Tell us about duplex material used for valve like 4A 5A
Hi! Stepen, Great job. Can you upload some video related to plastic body valves and their design?
How is the cooling on stainless steel material? How is stainless steel making?
what is the meaning of F in CF8M & CF8
thanks a lot for Your video
Could you please give explanation for grade name cf8m how the name comes?is there any meaning for individual letter in cf8m
Elavarasu Ramamoorthy The last part of M means.. It bavibg the content of molybdenum
Any notes pdf is there
What if F means, forging and C means Casting steel.. Then, What if CF means?
FRANCIS SAGAYA SUDIR S forging