Forum sponsored by:

Soft soldering clearance.

Search for: in Thread Title in

Adrian 2	01/04/2021 18:23:14
104 forum posts 19 photos	I am making an oil pipe fitting for a motorcycle which basically comprises a steel pipe slipped inside another steel pipe. There is no loading or pressure to resist so I think soft solder will be fine. How much clearance should I allow for the solder to penetrate between the two parts ? Bore of outer sleeve 9mm x 20mm long. Thank you, Adrian.
John Haine	01/04/2021 18:30:55
5563 forum posts 322 photos	As little as possible! Just enough to allow the smaller to slide into the larger. Get some white paste plumbing flux and make sure the joint faces are nicely fluxed. Could be useful to wind a couple of turns of solder around the smaller diameter and slide them down to the larger with the smaller facing up. Warm gently, when you get to the right temperature the solder will soften then suddenly flash into the joint and leave a silver meniscus at the join. Keep it hot for a few more seconds then allow to cool.
Adrian 2	01/04/2021 20:14:45
104 forum posts 19 photos	Very helpful thank you John. Adrian.
Tom Sheppard	01/04/2021 21:41:12
47 forum posts	Job for 638 really, Steel will soft solder with the right flux but with the diameters you are using, I really wouldn't bother.
John Haine	01/04/2021 22:21:03
5563 forum posts 322 photos	Solder will flow and fill better and be less likely to leak. Loctite needs small clearance to seal. Araldite would be better.

All Topics | Latest Posts

Please login to post a reply.

Magazine Locator

Want the latest issue of Model Engineer or Model Engineers' Workshop? Use our magazine locator links to find your nearest stockist!

Find Model Engineer & Model Engineers' Workshop

You can unsubscribe at anytime. View our privacy policy at www.mortons.co.uk/privacy

Latest Forum Posts

hemingway ball turner
04/07/2025 14:40:26
*Oct 2023: FORUM MIGRATION TIMELINE*
05/10/2023 07:57:11
Making ER11 collet chuck
05/10/2023 07:56:24
What did you do today? 2023
05/10/2023 07:25:01
Orrery
05/10/2023 06:00:41
Wera hand-tools
05/10/2023 05:47:07
New member
05/10/2023 04:40:11
Problems with external pot on at1 vfd
05/10/2023 00:06:32
Drain plug
04/10/2023 23:36:17
digi phase converter for 10 machines.....
04/10/2023 23:13:48
More Latest Posts...
View All Topics

Support Our Partners

Shopping Partners

Subscription Offer

Latest "For Sale" Ads

Reeves** - Rebuilt Royal Scot by Martin Evans
by John Broughton
£300.00
BRITANNIA 5" GAUGE James Perrier
by Jon Seabright 1
£2,500.00
Drill Grinder - for restoration
by Nigel Graham 2
£0.00
WARCO WM18 MILLING MACHINE
by Alex Chudley
£1,200.00
MYFORD SUPER 7 LATHE
by Alex Chudley
£2,000.00
More "For Sale" Ads...

Latest "Wanted" Ads

D1-3 backplate
by Michael Horley
Price Not Specified
fixed steady for a Colchester bantam mark1 800
by George Jervis
Price Not Specified
lbsc pansy
by JACK SIDEBOTHAM
Price Not Specified
Pratt Burnerd multifit chuck key.
by Tim Riome
Price Not Specified
BANDSAW BLADE WELDER
by HUGH
Price Not Specified
More "Wanted" Ads...

Get In Touch!

Do you want to contact the Model Engineer and Model Engineers' Workshop team?

You can contact us by phone, mail or email about the magazines including becoming a contributor, submitting reader's letters or making queries about articles. You can also get in touch about this website, advertising or other general issues.

Click THIS LINK for full contact details.

For subscription issues please see THIS LINK.

Digital Back Issues