SAE STEEL GRADES: Major Classifications of Carbon and Alloy Steel

[@jeremygilbertson2321]

Perfect, straight to the point and very informative. 10 out of 10 man. Thank you, my NIMS testing is next week and this sure helped prepare and memorize

[@AvivMakesRobots]

Sure thing! Good luck on your test.

[@justaperson324]

That was pretty legite, please keep going like as simple as you are now, even with my bad english I understood quite much of it. That was very kind of u, thank u.

[@AvivMakesRobots]

Awesome, thank you! I hope to convey complex concepts in straightforward ways!

[@agg42]

Hello! Could you expand on metal nomenclature and address the odd ball ones like A36, A2, D2, A286, W1? And perhaps another video on the nomenclature used across the ocean? Thank you, I liked the simplistic graphics and straight to the point presentation

[@AvivMakesRobots]

Sure! Glad you liked it! I will look into it. There is a video that dives more deeply into carbon steel on the way!

[@ellidominusser1138]

What about more than .99% carbon steels? Like 1.5% carbon, would that be 10150 or 101.50 or is that ecen possible?

[@travisbrenneman9262]

Yes it is possible. The most common alloy that is heard of by the general public would be 52100. The 5 designates the major alloy, the 2 designates the treatment type and the 100 indicates that it has a full 1% carbon content. This alloy is extremely hard and is generally used for the manufacturing of bearings. I hope this helps.

[@ellidominusser1138]

Thanks dude I forgot about this

[@itsrobable]

Could you perhaps make a follow-up video focusing on the second number, please? And also the properties associated with, say, no modification versus sulfurized, etc, and some common applications for each?

[@AvivMakesRobots]

That is a great idea! The video coming out tomorrow will focus on carbon steel, and I hope to make more videos about steel vs. stainless steel, SAE specifics, etc.

[@itsrobable]

@@AvivMakesRobots Awesome. Thank you!

[@prestondavid1530]

instablaster

[@exxavior2013]

Will the last two numbers always represent carbon content or is it the content of the principal metal (the 1st digit)?

[@AvivMakesRobots]

Carbon content. The first digit denotes the main alloying element.

[@darrenstettner5381]

Gracias amigo. That was concise and helpful.

[@AvivMakesRobots]

Great to hear!

[@4Usuality]

Awesome video!

[@AvivMakesRobots]

Thank you!

[@ewerninghaus]

Nice Video. You could also compare the SAE system to the other common systems, like 1.2366 and 42MoCr6. The world is big and you specify steel using the SAE system mainly in America. When I talk about 1045 with my European colleagues they don’t understand it at all.

[@AvivMakesRobots]

Agreed! Yes, this is important and needs to be discussed. Let me know if you have other video suggestions as well.

[@YurikArt84]

Good information, i’d be good to see steels grades and their uses with example, and qualities

[@AvivMakesRobots]

Definitely! Looking to do a series possibly on a different material type.

[@johncampbell2326]

Hi, but how does this work for the many AISI-SAE codes that are three digits, like stainless 304, 316, etc? Thanks.

[@AvivMakesRobots]

The 3 number system for stainless steel is different. Stainless steel is at least 10.5% chromium which changes its properties substantially from being like carbon steel.

[@andyshriner5443]

Very cool! Thanks for this.

[@AvivMakesRobots]

You're welcome! Glad you enjoyed it!

[@rheymaalam2759]

what's the difference with the AISI grading ?

[@AvivMakesRobots]

The AISI used to have a letter in front of the number to denote the steel making process. I believe the AISI is not involved anymore, and SAE is the main system.

[@jamessmith8614]

Good Work; why is there no #4 but a #5 digit? X4XX

Great. Useful Information

[@AvivMakesRobots]

Thank you!

[@carlomagno2967]

Sir can you please tell me how to recognize a steel if the number is in 5 digits. Example 52100 thank you sir.

[@AvivMakesRobots]

Look up UNS designation. I think this might be the UNS designation and not the SAE designation.

[@carlomagno2967]

Ok thank you very much sir.....i'll look for that. Thank you for your advice and time attending to my question.....have a great day ahead...

[@AvivMakesRobots]

@@carlomagno2967 No problem! It seems to be the UNS, but I might be wrong.

[@I_SuperHiro_I]

What about stainless? Aren’t those 3 digit?

[@AvivMakesRobots]

It is its own system, separate from the steel grades.

[@I_SuperHiro_I]

@@AvivMakesRobots ugh lol, of course it is.

[@robertahenson8259]

Very helpful, thanks!!

[@AvivMakesRobots]

Great to hear!

[@toshiba5784]

Hey man, im curious, if the steel is carbon steel, you list for the 2nd digit nr 1-3 and 5, so is there no modification tied to nr 4? does nr 4 exist in the sae system at all for the 2nd digit?

[@AvivMakesRobots]

There is no number 4 for carbon and manganese steels (both start with a number 1), at least not that I have seen as standard materials.

[@BecomingAMan]

Great video, I learned a lot

[@AvivMakesRobots]

Great to hear!

[@sikanderc21]

Sir please let me know if code is 8620 becase as you sown 5 types of modifications but i cant understand number 6

[@AvivMakesRobots]

That would be a nickel chromium molybdenum steel with .55% nickel, .50% chromium and .20% molybdenum.

[@AvivMakesRobots]

Look up SAE material numbers on google.

[@talalboss2857]

I want to ask about JIS grade standards ... any help, please?

[@AvivMakesRobots]

What is it?

[@T1Mike88]

Thanks. Subbed

[@AvivMakesRobots]

Thank you!

[@muhiddenmisbak1013]

How About SAE G1800?

[@AvivMakesRobots]

Iron designations are inherently different than steels.

[@talalboss2857]

thank you alot

[@AvivMakesRobots]

Sure! You're welcome.

[@soklot]

If only everyone used the same standard across the world.

[@AvivMakesRobots]

Agreed! This could seem an outdated system at some point.

[@swamihuman9395]

Thx.

[@AvivMakesRobots]

Sure!

[@drygore5637]

Informative........and first!

[@AvivMakesRobots]

Thanks! Glad you got some value out of it.

[@AvivMakesRobots]

There were some "bot" comments that were here first but I deleted them... I will still consider you to be first... at least the first human.

[@drygore5637]

@@AvivMakesRobots i'll take being the first human comment 👀

[@AvivMakesRobots]

@@drygore5637 Sapiens: 1 Robots: 0

[@AnthonyMoody]

lol its pronounced molybdenum not molybdenum :p great vid

[@AvivMakesRobots]

Good stuff!

[@OmikronZeta]

[mo˧li˧bˈðeː˨nɔ˧m]

[@mrhfrc8470]

My mind is blown. Years of guessing and minor attempts at recognizing a pattern have led nowhere.

[@AvivMakesRobots]

Great to hear. Happy you liked it!

[@JFBence]

Chromium, Titanium, Vanadium. Yet Aluminum, Molybdenum... just why? Why can't it be Aluminium and Molybdenium? Consistency....

[@AvivMakesRobots]

The name is derived from the mineral.

[@mrhfrc8470]

I want to understand electrical schematics but don't want to go to school

[@AvivMakesRobots]

I hope to teach this at some point.

[@ritikkatiyar4094]

villagers

[@AvivMakesRobots]

...yup.

[@genuzz]

According to specifically SAE/AISI chart the 8th position is 'Nickel-chromium-vanadium steels' other than that the course of calculations is comparably 'correct'. Yet however saying (B,L) for Boron and Lead indices were long forgotten (plus something more, also nor less 'engineeringly juicy' hah), so this entire vid turns out a futile story, can't be any exhaustive guidance for specifically announced 'SAE' format . boo

[@AvivMakesRobots]

Thanks for watching!