[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:00.00,0:00:00.95,Default,,0000,0000,0000,,Welcome to Weld.com.
Dialogue: 0,0:00:00.95,0:00:03.91,Default,,0000,0000,0000,,last time we did some brazing, never.
Dialogue: 0,0:00:03.91,0:00:05.54,Default,,0000,0000,0000,,Let's do some brazing today.
Dialogue: 0,0:00:05.54,0:00:08.42,Default,,0000,0000,0000,,You wanna?
Dialogue: 0,0:00:08.42,0:00:13.72,Default,,0000,0000,0000,,I've got a product over here,\Nit's by a local company, local vendor.
Dialogue: 0,0:00:13.72,0:00:21.19,Default,,0000,0000,0000,,It's called, LF BFC and it is a low\Nfuming bronze type application here.
Dialogue: 0,0:00:21.19,0:00:22.77,Default,,0000,0000,0000,,It's got the flux on the outside.
Dialogue: 0,0:00:22.77,0:00:26.79,Default,,0000,0000,0000,,I like using this stuff for\Ngeneral repair, but
Dialogue: 0,0:00:26.79,0:00:30.41,Default,,0000,0000,0000,,I wanna demonstrate just some technique.
Dialogue: 0,0:00:30.41,0:00:34.56,Default,,0000,0000,0000,,When I tack these up I wanna\Nuse quite a bit of gap.
Dialogue: 0,0:00:34.56,0:00:41.13,Default,,0000,0000,0000,,And the reason I wanna do that is because\NI wanna show you some heat sensitive.
Dialogue: 0,0:00:41.13,0:00:43.86,Default,,0000,0000,0000,,If I just poured the heat in here and\Nstuck this rod,
Dialogue: 0,0:00:43.86,0:00:48.08,Default,,0000,0000,0000,,then I expect this to just fall through\Nthe backside, we don't wanna do that.
Dialogue: 0,0:00:48.08,0:00:52.31,Default,,0000,0000,0000,,So I wanna do this exercise of\Nactually controlling our heat.
Dialogue: 0,0:00:52.31,0:00:59.83,Default,,0000,0000,0000,,I do want the penetration,\NI want this to show on the backside and
Dialogue: 0,0:00:59.83,0:01:04.02,Default,,0000,0000,0000,,I also wanna fill this on the front.
Dialogue: 0,0:01:04.02,0:01:07.92,Default,,0000,0000,0000,,It's an outside corner joint but\Nit's gonna have gap in it, so
Dialogue: 0,0:01:07.92,0:01:11.74,Default,,0000,0000,0000,,I wanna fill this up enough that\Nit's nice and round up on top or
Dialogue: 0,0:01:11.74,0:01:14.04,Default,,0000,0000,0000,,at least fused along the edges here.
Dialogue: 0,0:01:14.04,0:01:19.50,Default,,0000,0000,0000,,So let me get some gear on and\Nwe'll, we'll put some space in this.
Dialogue: 0,0:01:19.50,0:01:25.72,Default,,0000,0000,0000,,When I tack these, I'll probably light the\Ntorch and put a big old dot out here and
Dialogue: 0,0:01:25.72,0:01:30.01,Default,,0000,0000,0000,,bring it out a little bit and\Nthen I'll get a magnet, and
Dialogue: 0,0:01:30.01,0:01:34.25,Default,,0000,0000,0000,,I'll have this held up here\Nwhere it's got some gaps.
Dialogue: 0,0:01:34.25,0:01:36.01,Default,,0000,0000,0000,,I'll fuse these parts together, but
Dialogue: 0,0:01:36.01,0:01:38.65,Default,,0000,0000,0000,,I do wanna show probably about\Nan eighth of an inch of gap.
Dialogue: 0,0:01:38.65,0:01:41.30,Default,,0000,0000,0000,,I know that sounds big for 316 plate but
Dialogue: 0,0:01:41.30,0:01:45.61,Default,,0000,0000,0000,,again I'm trying to show a couple\Nof exercises here of control, and
Dialogue: 0,0:01:45.61,0:01:50.18,Default,,0000,0000,0000,,how this stuff flows and everything,\Nand how to manipulate the torch.
Dialogue: 0,0:01:50.18,0:01:51.70,Default,,0000,0000,0000,,So old school stuff.
Dialogue: 0,0:01:51.70,0:01:54.88,Default,,0000,0000,0000,,I like doing brazen.
Dialogue: 0,0:01:54.88,0:01:57.98,Default,,0000,0000,0000,,I do a lot of repairs on\Nvarious equipment and
Dialogue: 0,0:01:57.98,0:02:01.60,Default,,0000,0000,0000,,one of the first things\Nthat I consider is brazing.
Dialogue: 0,0:02:01.60,0:02:06.19,Default,,0000,0000,0000,,I always do for some reason probably\Nbecause I just like it so much.
Dialogue: 0,0:02:06.19,0:02:08.82,Default,,0000,0000,0000,,So, let me get my stuff on,\NI'll be right back.
Dialogue: 0,0:02:08.82,0:02:09.55,Default,,0000,0000,0000,,Welcome back.
Dialogue: 0,0:02:09.55,0:02:15.95,Default,,0000,0000,0000,,I have these tacked,\NI have 316 plate and I went ahead and
Dialogue: 0,0:02:15.95,0:02:20.70,Default,,0000,0000,0000,,put 332 gap, maybe a little open there.
Dialogue: 0,0:02:20.70,0:02:25.12,Default,,0000,0000,0000,,I don't think that's an eighth of an inch,\NI'm gonna call that 332 and
Dialogue: 0,0:02:25.12,0:02:28.43,Default,,0000,0000,0000,,it's pretty good size gap if\Nyou can see that on camera.
Dialogue: 0,0:02:28.43,0:02:34.61,Default,,0000,0000,0000,,So the attempt here is,\NI've already have some glass showing here,
Dialogue: 0,0:02:34.61,0:02:38.56,Default,,0000,0000,0000,,and this glass is an end\Nproduct of the flux.
Dialogue: 0,0:02:38.56,0:02:42.33,Default,,0000,0000,0000,,Could we use a bare wire and powder flux?
Dialogue: 0,0:02:42.33,0:02:43.32,Default,,0000,0000,0000,,Sure.
Dialogue: 0,0:02:43.32,0:02:46.36,Default,,0000,0000,0000,,Maybe we can demonstrate\Nthat in another video.
Dialogue: 0,0:02:46.36,0:02:50.92,Default,,0000,0000,0000,,This one, I wanna use this product here,\Nwhich is the low fuming bronze product,
Dialogue: 0,0:02:50.92,0:02:54.44,Default,,0000,0000,0000,,has the flux already on the wire,\Nit's just real convenient.
Dialogue: 0,0:02:54.44,0:02:58.31,Default,,0000,0000,0000,,So I'm gonna start out and\NI'm gonna start heating this up.
Dialogue: 0,0:02:58.31,0:03:02.58,Default,,0000,0000,0000,,So what's the, there's brazing and\Nthere's welding.
Dialogue: 0,0:03:02.58,0:03:03.75,Default,,0000,0000,0000,,So what's going on here?
Dialogue: 0,0:03:03.75,0:03:06.55,Default,,0000,0000,0000,,How do we make a bond with brazing?
Dialogue: 0,0:03:06.55,0:03:10.84,Default,,0000,0000,0000,,Brazing is generally 840 degrees and
Dialogue: 0,0:03:10.84,0:03:15.89,Default,,0000,0000,0000,,above but\Nnot melting the parent metal, Okay?
Dialogue: 0,0:03:15.89,0:03:22.17,Default,,0000,0000,0000,,So the filler wire is gonna\Nmelt at around 840 and
Dialogue: 0,0:03:22.17,0:03:28.60,Default,,0000,0000,0000,,it's gonna bond by what we\Ncall a capillary action.
Dialogue: 0,0:03:28.60,0:03:31.68,Default,,0000,0000,0000,,I have cleaned these plates,\Nthey're rusty down here, but
Dialogue: 0,0:03:31.68,0:03:33.81,Default,,0000,0000,0000,,they're clean down to pure white metal.
Dialogue: 0,0:03:33.81,0:03:37.19,Default,,0000,0000,0000,,The flux will pre-clean the surface and
Dialogue: 0,0:03:37.19,0:03:42.76,Default,,0000,0000,0000,,by this capillary action it will\Nmake a bond into the parent metal.
Dialogue: 0,0:03:42.76,0:03:46.36,Default,,0000,0000,0000,,It wets into the parent metal and\Nit sticks and bonds to it.
Dialogue: 0,0:03:46.36,0:03:50.18,Default,,0000,0000,0000,,Soldering is 840 degrees and below, so
Dialogue: 0,0:03:50.18,0:03:56.04,Default,,0000,0000,0000,,we start talking about these\Nconcepts of brazing and soldering.
Dialogue: 0,0:03:56.04,0:03:58.21,Default,,0000,0000,0000,,What can you do with them and the alloys?
Dialogue: 0,0:03:58.21,0:04:01.40,Default,,0000,0000,0000,,It gets kind of interesting when you\Nactually look, see what's in them and
Dialogue: 0,0:04:01.40,0:04:04.55,Default,,0000,0000,0000,,how they melt, and how they bond, and\Nwhat you can actually do with them.
Dialogue: 0,0:04:04.55,0:04:06.24,Default,,0000,0000,0000,,And then again how strong they are.
Dialogue: 0,0:04:06.24,0:04:11.08,Default,,0000,0000,0000,,That's what's amazing to me is how\Nstrong this stuff actually is.
Dialogue: 0,0:04:11.08,0:04:14.37,Default,,0000,0000,0000,,So let me light a torch here and\NI'll be right back.
Dialogue: 0,0:04:14.37,0:04:19.16,Default,,0000,0000,0000,,I may put my dark shield on because some\Nof you ding me pretty hard on not wearing
Dialogue: 0,0:04:19.16,0:04:20.13,Default,,0000,0000,0000,,a dark shield.
Dialogue: 0,0:04:20.13,0:04:24.53,Default,,0000,0000,0000,,When I did the brass tree showing\Nhow to manipulate this stuff, so
Dialogue: 0,0:04:24.53,0:04:26.61,Default,,0000,0000,0000,,I may wear my dark shield here.
Dialogue: 0,0:04:26.61,0:04:27.46,Default,,0000,0000,0000,,Be right back.
Dialogue: 0,0:04:38.74,0:04:41.65,Default,,0000,0000,0000,,I'm using an OTT tip, and
Dialogue: 0,0:04:41.65,0:04:46.41,Default,,0000,0000,0000,,my oxygen pressure is set about 4 pounds,
Dialogue: 0,0:04:46.41,0:04:52.25,Default,,0000,0000,0000,,my acetylene pressure is\Nset about 3 pounds 3 PSI.
Dialogue: 0,0:04:52.25,0:04:59.87,Default,,0000,0000,0000,,My torch angle is about\N2030 degrees point or
Dialogue: 0,0:04:59.87,0:05:04.89,Default,,0000,0000,0000,,20 degrees pointed forward.
Dialogue: 0,0:05:04.89,0:05:12.47,Default,,0000,0000,0000,,And you'll notice that I'm\Ntaking it out of the pool here.
Dialogue: 0,0:05:12.47,0:05:18.87,Default,,0000,0000,0000,,This is liquid solid.
Dialogue: 0,0:05:18.87,0:05:24.40,Default,,0000,0000,0000,,So and the reason I'm doing\Nthat is because again,
Dialogue: 0,0:05:24.40,0:05:30.83,Default,,0000,0000,0000,,as I said when we did the intro,\Nif I just left this in there,
Dialogue: 0,0:05:30.83,0:05:38.31,Default,,0000,0000,0000,,it would probably fall through to\Nthe backside and kinda make a mess.
Dialogue: 0,0:05:38.31,0:05:45.84,Default,,0000,0000,0000,,It'd be too much on the backside,
Dialogue: 0,0:05:45.84,0:05:51.29,Default,,0000,0000,0000,,I'm trying to get this to
Dialogue: 0,0:05:51.29,0:05:56.24,Default,,0000,0000,0000,,round, up slightly.
Dialogue: 0,0:05:56.24,0:06:00.62,Default,,0000,0000,0000,,So I wanna fill it in, but\NI don't want it to drip through.
Dialogue: 0,0:06:00.62,0:06:06.04,Default,,0000,0000,0000,,I want it to show
Dialogue: 0,0:06:06.04,0:06:11.47,Default,,0000,0000,0000,,on the back side
Dialogue: 0,0:06:11.47,0:06:18.15,Default,,0000,0000,0000,,just like amperage
Dialogue: 0,0:06:18.15,0:06:23.16,Default,,0000,0000,0000,,and voltage.
Dialogue: 0,0:06:23.16,0:06:26.07,Default,,0000,0000,0000,,When you're wire feed welding,\Nyou can turn things up.
Dialogue: 0,0:06:26.07,0:06:27.55,Default,,0000,0000,0000,,How about stick welding?
Dialogue: 0,0:06:27.55,0:06:30.63,Default,,0000,0000,0000,,Could I use a bigger size wire?
Dialogue: 0,0:06:30.63,0:06:33.44,Default,,0000,0000,0000,,And a bigger tip and more pressure?
Dialogue: 0,0:06:33.44,0:06:33.94,Default,,0000,0000,0000,,Sure.
Dialogue: 0,0:06:38.01,0:06:42.79,Default,,0000,0000,0000,,I would probably do these manipulations
Dialogue: 0,0:06:42.79,0:06:48.14,Default,,0000,0000,0000,,a little quicker, and\Nthis is a little slow.
Dialogue: 0,0:06:48.14,0:06:51.69,Default,,0000,0000,0000,,But again,\NI'm trying to show this technique.
Dialogue: 0,0:07:21.83,0:07:24.99,Default,,0000,0000,0000,,I remember when I first started welding,
Dialogue: 0,0:07:24.99,0:07:28.88,Default,,0000,0000,0000,,very first thing we did\Nwas oxy acetylene welding.
Dialogue: 0,0:07:28.88,0:07:33.44,Default,,0000,0000,0000,,Learn how to manipulate the pool and\Nthe filler wire.
Dialogue: 0,0:07:40.42,0:07:45.81,Default,,0000,0000,0000,,I have laid the filler
Dialogue: 0,0:07:45.81,0:07:51.20,Default,,0000,0000,0000,,wire a little lower.
Dialogue: 0,0:07:51.20,0:07:53.71,Default,,0000,0000,0000,,Now every time I introduce the torch,
Dialogue: 0,0:07:53.71,0:07:58.19,Default,,0000,0000,0000,,it may look like I'm melting the wire\Nwith the flame, and I'm not.
Dialogue: 0,0:07:58.19,0:08:06.11,Default,,0000,0000,0000,,I'm creating a weld pool first.
Dialogue: 0,0:08:06.11,0:08:09.14,Default,,0000,0000,0000,,I'm leaving it right on the leading edge.
Dialogue: 0,0:08:09.14,0:08:11.61,Default,,0000,0000,0000,,I teach this class in my program.
Dialogue: 0,0:08:11.61,0:08:16.55,Default,,0000,0000,0000,,I teach oxyacetylene welding,\Nbrazing silver soldering.
Dialogue: 0,0:08:16.55,0:08:19.97,Default,,0000,0000,0000,,Right alongside the introduction\Nto tig welding.
Dialogue: 0,0:08:19.97,0:08:25.06,Default,,0000,0000,0000,,If you think about it,\Nit's the exact same hand
Dialogue: 0,0:08:25.06,0:08:30.30,Default,,0000,0000,0000,,eye coordination,\Nfiller wire, heat source.
Dialogue: 0,0:08:30.30,0:08:35.30,Default,,0000,0000,0000,,I think I wanna leave
Dialogue: 0,0:08:35.30,0:08:40.01,Default,,0000,0000,0000,,this open at the end
Dialogue: 0,0:08:40.01,0:08:45.02,Default,,0000,0000,0000,,just to show you what
Dialogue: 0,0:08:45.02,0:08:50.62,Default,,0000,0000,0000,,the original gap was.
Dialogue: 0,0:08:50.62,0:08:59.56,Default,,0000,0000,0000,,I'm gonna do a little remelt here.
Dialogue: 0,0:08:59.56,0:09:04.69,Default,,0000,0000,0000,,Saw a couple of bug holes right on\Nthe surface that I didn't like,
Dialogue: 0,0:09:04.69,0:09:08.52,Default,,0000,0000,0000,,so I went ahead and\Njust remelted them slightly.
Dialogue: 0,0:09:08.52,0:09:10.66,Default,,0000,0000,0000,,Could I remelt this whole thing and\Nreshape it?
Dialogue: 0,0:09:10.66,0:09:16.80,Default,,0000,0000,0000,,Sure, but then I take a chance of\Nall of it dripping through again.
Dialogue: 0,0:09:16.80,0:09:21.33,Default,,0000,0000,0000,,I'm gonna go quench this off and\NI'll probably leave it before I buff
Dialogue: 0,0:09:21.33,0:09:25.08,Default,,0000,0000,0000,,it off with the wire wheel or\Nwhatever we do to clean it up.
Dialogue: 0,0:09:25.08,0:09:28.38,Default,,0000,0000,0000,,So let me go quench this off\Nbecause it's saturated with heat.
Dialogue: 0,0:09:28.38,0:09:31.52,Default,,0000,0000,0000,,Be right back.
Dialogue: 0,0:09:31.52,0:09:32.38,Default,,0000,0000,0000,,Welcome back.
Dialogue: 0,0:09:32.38,0:09:33.06,Default,,0000,0000,0000,,I finished this part.
Dialogue: 0,0:09:33.06,0:09:38.53,Default,,0000,0000,0000,,I went over and quenched it and I very\Nlightly touched it with a wire wheel
Dialogue: 0,0:09:38.53,0:09:44.28,Default,,0000,0000,0000,,just to get this excess of flux and\Nglass off, and I did the same on the back.
Dialogue: 0,0:09:44.28,0:09:45.60,Default,,0000,0000,0000,,We could have gone a little bit hotter.
Dialogue: 0,0:09:45.60,0:09:49.75,Default,,0000,0000,0000,,We're showing that we melted\Nsome on the backside.
Dialogue: 0,0:09:49.75,0:09:54.69,Default,,0000,0000,0000,,We didn't get through as much as I\Nwould have liked for a demonstration,
Dialogue: 0,0:09:54.69,0:09:57.28,Default,,0000,0000,0000,,but I'm pretty sure you can see this.
Dialogue: 0,0:09:57.28,0:10:01.33,Default,,0000,0000,0000,,We've gone just a little bit more in heat\Nand let it fall through a little bit,
Dialogue: 0,0:10:01.33,0:10:03.34,Default,,0000,0000,0000,,it would have bonded on the backside.
Dialogue: 0,0:10:03.34,0:10:08.98,Default,,0000,0000,0000,,What came through on the back was\Nit really looks like a glass.
Dialogue: 0,0:10:08.98,0:10:13.21,Default,,0000,0000,0000,,And so, I mean, when it solidifies,\Nyou can knock it off,
Dialogue: 0,0:10:13.21,0:10:16.51,Default,,0000,0000,0000,,you can chip it off,\NI hit it with a wire wheel.
Dialogue: 0,0:10:16.51,0:10:21.10,Default,,0000,0000,0000,,Again, we could have gone a little hotter,\Nmaybe a little more aggressive.
Dialogue: 0,0:10:21.10,0:10:25.02,Default,,0000,0000,0000,,I just wanted to show this\Ntechnique of filling this thing up.
Dialogue: 0,0:10:25.02,0:10:28.63,Default,,0000,0000,0000,,You can see some dark\Ndiscoloration spots in here.
Dialogue: 0,0:10:28.63,0:10:33.62,Default,,0000,0000,0000,,I didn't hit this with the wire wheel\Nbecause this is soft enough that it will
Dialogue: 0,0:10:33.62,0:10:35.97,Default,,0000,0000,0000,,re-arrange the patterns in here.
Dialogue: 0,0:10:35.97,0:10:39.71,Default,,0000,0000,0000,,I've left these ripple patterns down\Nhere at the bottom of this part.
Dialogue: 0,0:10:39.71,0:10:43.71,Default,,0000,0000,0000,,I went ahead and hit it with\Na flapper wheel with a 40 grit.
Dialogue: 0,0:10:43.71,0:10:47.68,Default,,0000,0000,0000,,I believe it was just to blend this and\Nsand this over.
Dialogue: 0,0:10:47.68,0:10:52.02,Default,,0000,0000,0000,,I mean, this thing looks pretty nice,\Nvery slight bug holes in it,
Dialogue: 0,0:10:52.02,0:10:53.63,Default,,0000,0000,0000,,which is kind of normal.
Dialogue: 0,0:10:53.63,0:10:54.88,Default,,0000,0000,0000,,You can go back and melt those out.
Dialogue: 0,0:10:54.88,0:10:59.51,Default,,0000,0000,0000,,You could sand this and polish this off,\Nand it just look, it looks like gold,
Dialogue: 0,0:10:59.51,0:11:00.29,Default,,0000,0000,0000,,It's cool.
Dialogue: 0,0:11:00.29,0:11:05.28,Default,,0000,0000,0000,,So we've done some projects where\Nwe're putting some stuff together and
Dialogue: 0,0:11:05.28,0:11:07.54,Default,,0000,0000,0000,,we get that color differential.
Dialogue: 0,0:11:07.54,0:11:10.61,Default,,0000,0000,0000,,You can play around with this and\Nweld some,
Dialogue: 0,0:11:10.61,0:11:14.43,Default,,0000,0000,0000,,some other types of material\Nother than carbon steel.
Dialogue: 0,0:11:14.43,0:11:17.72,Default,,0000,0000,0000,,I have my students\Nmemorize chemical symbols,
Dialogue: 0,0:11:17.72,0:11:20.19,Default,,0000,0000,0000,,all kinds of other technical data.
Dialogue: 0,0:11:20.19,0:11:23.12,Default,,0000,0000,0000,,They think they come in here and they just\Nget to strike an ARC, and that's not.
Dialogue: 0,0:11:23.12,0:11:27.40,Default,,0000,0000,0000,,So we need to know some things,\Nand we need to know about
Dialogue: 0,0:11:27.40,0:11:32.06,Default,,0000,0000,0000,,35 elements of the periodic table for\Nchemical symbols.
Dialogue: 0,0:11:32.06,0:11:35.39,Default,,0000,0000,0000,,And right here they are technical data.
Dialogue: 0,0:11:35.39,0:11:42.56,Default,,0000,0000,0000,,We've got a melt point of about\N1620 Fahrenheit, 882 Celsius.
Dialogue: 0,0:11:42.56,0:11:45.86,Default,,0000,0000,0000,,Again, I said brazing is 840 and\Nabove, but
Dialogue: 0,0:11:45.86,0:11:50.32,Default,,0000,0000,0000,,not to the melting point of carbon\Nsteel that we were welding on.
Dialogue: 0,0:11:50.32,0:11:53.72,Default,,0000,0000,0000,,So this says that the nominal,\Nlet me back up.
Dialogue: 0,0:11:53.72,0:11:59.35,Default,,0000,0000,0000,,It says to pre-clean the joint,\Nbevel heavy sections, preheat broadly,
Dialogue: 0,0:11:59.35,0:12:03.92,Default,,0000,0000,0000,,then concentrate oxy fuel neutral\Nflame into the joint area,
Dialogue: 0,0:12:03.92,0:12:08.41,Default,,0000,0000,0000,,melt some flux off the end of the rod so\Nit'll be activated and
Dialogue: 0,0:12:08.41,0:12:11.41,Default,,0000,0000,0000,,it gets down in around the parent metal.
Dialogue: 0,0:12:11.41,0:12:13.94,Default,,0000,0000,0000,,And then you can start\Ndipping the alloy and
Dialogue: 0,0:12:13.94,0:12:16.70,Default,,0000,0000,0000,,melting the alloy like\Nwe demonstrated here.
Dialogue: 0,0:12:16.70,0:12:18.08,Default,,0000,0000,0000,,The technical data.
Dialogue: 0,0:12:18.08,0:12:24.50,Default,,0000,0000,0000,,The nominal analysis says Cu 58%.
Dialogue: 0,0:12:24.50,0:12:26.34,Default,,0000,0000,0000,,So what's Cu?
Dialogue: 0,0:12:26.34,0:12:28.96,Default,,0000,0000,0000,,It's a chemical symbol for copper.
Dialogue: 0,0:12:28.96,0:12:32.62,Default,,0000,0000,0000,,And Sn is 10.1%.
Dialogue: 0,0:12:32.62,0:12:38.10,Default,,0000,0000,0000,,Mn is manganese, 0.040%.
Dialogue: 0,0:12:38.10,0:12:42.79,Default,,0000,0000,0000,,Fe is ferrous iron, 0.75%.
Dialogue: 0,0:12:42.79,0:12:49.04,Default,,0000,0000,0000,,Si is silicone, 0.1% with a Zn balance.
Dialogue: 0,0:12:49.04,0:12:50.87,Default,,0000,0000,0000,,Zn is zinc.
Dialogue: 0,0:12:50.87,0:12:54.35,Default,,0000,0000,0000,,So now you know what chemically\Nyou're working with here, and
Dialogue: 0,0:12:54.35,0:12:56.47,Default,,0000,0000,0000,,that is typical of all filler metals.
Dialogue: 0,0:12:56.47,0:13:01.03,Default,,0000,0000,0000,,I don't care if you're looking\Nup a stainless electrode,
Dialogue: 0,0:13:01.03,0:13:07.06,Default,,0000,0000,0000,,you're gonna be given the chrome,\Nthe moly the nickel, the carbon content,
Dialogue: 0,0:13:07.06,0:13:12.83,Default,,0000,0000,0000,,anything, it's all gonna come to you\Nin chemical symbols I have not read.
Dialogue: 0,0:13:12.83,0:13:16.88,Default,,0000,0000,0000,,I can't remember looking up a technical\Nspec of something that hasn't,
Dialogue: 0,0:13:16.88,0:13:19.31,Default,,0000,0000,0000,,whether it's a base metal or\Na filler wire.
Dialogue: 0,0:13:19.31,0:13:24.86,Default,,0000,0000,0000,,I can't remember looking it up,\Nhaving it spell out chromium,
Dialogue: 0,0:13:24.86,0:13:29.60,Default,,0000,0000,0000,,or carbon, or nickel, or\Nmolybdenum, or whatever.
Dialogue: 0,0:13:29.60,0:13:34.18,Default,,0000,0000,0000,,Every one that I've ever read has been\Ngiven to me in a chemical symbol fashion.
Dialogue: 0,0:13:34.18,0:13:36.61,Default,,0000,0000,0000,,So anyway, I hope this was fun.
Dialogue: 0,0:13:36.61,0:13:40.12,Default,,0000,0000,0000,,We'll do some more brazing\Ndemonstrations and we might do.
Dialogue: 0,0:13:40.12,0:13:43.40,Default,,0000,0000,0000,,Hopefully, we can dream up a project\Nwhere we can braise it together.
Dialogue: 0,0:13:43.40,0:13:48.26,Default,,0000,0000,0000,,I know in the past that we did\Na brass tree and it was an exercise of
Dialogue: 0,0:13:48.26,0:13:53.77,Default,,0000,0000,0000,,manipulating this wire, and\Nbuilding this tree, and starting out and
Dialogue: 0,0:13:53.77,0:13:58.44,Default,,0000,0000,0000,,going all over the place,\Nwhich is a really good exercise for
Dialogue: 0,0:13:58.44,0:14:02.44,Default,,0000,0000,0000,,learning how to manipulate the torch and\Nthe heat.
Dialogue: 0,0:14:02.44,0:14:04.13,Default,,0000,0000,0000,,So I hope this helps.
Dialogue: 0,0:14:04.13,0:14:06.24,Default,,0000,0000,0000,,Thanks for watching our videos.
Dialogue: 0,0:14:06.24,0:14:09.43,Default,,0000,0000,0000,,Bob Moffett with Weld.com,\Nmake sure you subscribe to the videos.
Dialogue: 0,0:14:09.43,0:14:11.22,Default,,0000,0000,0000,,New videos come out every Monday.
Dialogue: 0,0:14:11.22,0:14:19.25,Default,,0000,0000,0000,,Thank you.