product description Commodity API 5L GR.B ERW Steel Pipes Outer Diameter 88.9mm---660.4mm Thickness 3mm--22mm Length 3m--20m Tolerance Meet the Standard or acc to your requirement
Tom Lv Hebei Changfeng Steel Tube Manufacturing Co., Ltd Address: Cangzhou Economic Development Zone, Changzhou City, Hebei Province, China Tel: 0086-0317-3092830 Fax: 0086-0317-3096617 Phone number:0086-13754534514 E-mail: tomlv@changf
Electronics Forum | Tue Oct 21 21:34:56 EDT 2014 | davef
"Electroless Nickel Immersion Gold and Black Tar. What Is It and How Can It Be Prevented?" James Trainor, OM Group Electronic Chemicals, LLC SMTAI 2014 SUB2
Electronics Forum | Mon Oct 20 21:26:57 EDT 2014 | richardciccarone
I have seen a couple of references to Black Tar, Not Black Pad. Apparently, it occurs only on the solder side of PTH's after wave solder and primarily on the edges of the land. It is characterized by a black coloration (Not Ni corrosion?) and non-wet
Industry News | 2018-01-16 11:59:10.0
Vision Engineering has teamed up with industry-expert Bob Willis to broadcast a free Electronics Academy Webinar aimed at identifying the issues affecting PCB/SMT assembly and the challenges of achieving Zero Defect Manufacture. The next webinar, Eliminate Printed Circuit Board Problems & Failure Modes will take place on January 23rd at 2:30 EST.
Events Calendar | Tue Jan 23 00:00:00 EST 2018 - Tue Jan 23 00:00:00 EST 2018 | New Milford, Connecticut USA
FREE Webinar: Eliminate Circuit Board Problems and Failure Modes