Electronics Forum: chromium (Page 1 of 3)

RoHS - Chromium

Electronics Forum | Fri May 08 02:23:15 EDT 2009 | tang

Hi all, Presently, we have loan a thermometer probe from supplier which used to check Soldering pot temperature. But we found that the probe consisted of High CR6+ (Chromium) with reading about 187000ppm. As I know stanless steel consisted this ch

RoHS - Chromium

Electronics Forum | Wed Jun 17 01:41:41 EDT 2009 | tang

Hi Davef, Thanks for the help. Best Regards, Tang LK

RoHS - Chromium

Electronics Forum | Sun May 10 09:29:23 EDT 2009 | davef

Q1: Can I know is Chromium restricted from RoHS? A1: RoHS Restricted Substances (Pb, Hg, Cr6+, PBB, PBDE, Cd) Q2: Is this chemical will effect the content of Lead free solder? A2: It's possible that the metals that comprise the stainless steel probe

Use and Restrictions of solder containing lead

Electronics Forum | Thu May 29 16:04:08 EDT 2003 | Rick B.

When is the U.S. required to fully implement the use of leadfree solder? European Directive 2002/95/EC is talking about year 2006 restricting the use of certain hazardous materials in electrical and electronic equipment.ie Lead,mercury,cadmium and he

RoHS Compliance of Chormium coating on connectors

Electronics Forum | Sat Dec 04 08:30:18 EST 2004 | davef

We're unaware of any such reaction. The RoHS Directive bans the use of six hazardous materials. The materials are four metals: lead, cadmium, hexavalent chromium, and mercury; and two brominated flame retardants: polybrominated biphenyls (PBB) and p

Soldering to Inconel 600 Alloy

Electronics Forum | Mon Dec 20 16:34:15 EST 2004 | steve

Customer has tried OA and NC alloy solder pads may be nickel Chromium. Non-wetting issue. Scraping pad alloys a bit of adhesion of solder but no intermettalic bond. Any suggestions?

Changeover to Leadfree

Electronics Forum | Wed Aug 03 10:35:06 EDT 2005 | Wonderboy

Wait. I think you need to add that any product sold in EUROPE needs to be lead-free by July 1st, 2006. And let's clarify further. Lead is just one of numerous elements that will be restricted. In fact, quoted directly from the directive: "Member Stat

5 Zone Reflow Oven

Electronics Forum | Mon Oct 26 13:38:35 EDT 2009 | davef

Type K thermocouples are the most commonly used in the electronics industry. There are various types of thermocouple types that can be used. Examples include [Ray Prasad]: • Type K ¾ nickel-chromium vs. nickel-aluminum (most commonly used); tempera

Putting a center board support on lead free wave

Electronics Forum | Thu Apr 15 20:55:36 EDT 2004 | Ken

Try: Tungsten, tungsten carbide, ceramics like boron-nitride or how about pyrex glass? Glass blowers could make "hooks" that connect to a cross bar. I would NOT use aluminum (even if anodized). Try stainless steel 316. 303, 304 do not have enough

RoHS 1/7/2006 (EU)

Electronics Forum | Wed Sep 22 13:56:24 EDT 2004 | GS

Hello everybody, are this the values still required by RoHS or there have been some modification ? - Maximum concentration Lead (Pb) 0,1 weight% - value of heavy metals Mercury 0,1 weight% - Cadmium 0,01 weight% - Chromium VI 0,1 weight% - Maximum

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