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61630. Options for using tin plated terminals above the rated temperature? - March 7

19766. Galvanic Action between Galvanized and Stainless Steel? - February 8

37526. Want gold colored finishes without use of gold - February 5

20345. Salt spray or CASS hours for electrophoretic lacquer on PVD on nickel plating - January 24

61629. Which coating is suitable to 1440 hrs SST open Q. - January 17

16945. Need to know steel mill that produces Corten Steel open Q. - January 10

61618. White flow marks caused by new PT line - January 5

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  6053. Stainless steel vibratory finishing Q&A open Q. - March 1

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15596. Rinsing a Cleaner that contains Sodium metasilicate open Q. - April 5

61654. Manganese (II) Oxide and manganese phosphate coating open Q. - March 27

61650. Testing the concentration of titanium phosphate bath - March 20

61646. Dry Acid salt for brass and Zamak parts open Q. - March 3

61599. Zinc phosphate coating is black and peels off - February 5

56325. Removing carbon layer from mild steel - February 2

61625. Electrocleaning of Nickel - January 4

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61590. Masking/Stop off for anodizing on complex parts - January 24

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20840. 303 Stainless Steel Passivation Problems - April 15

14182. Frosted, etched, or burnt passivated parts - Type 303 stainless steel - April 14

  5358. Algae, fungus, bio-fouling in plating tanks? - April 4

51990. Parts turn black in Wood's Nickel Strike - March 21

11047. Should electropolishing voltage/amperage be ramped? open Q. - March 21

61643. Must welding tint be removed before passivation - March 7

26187. Stainless tank with NaOH at 360 °C at 128 bar - February 27

47682. Electropolishing and Chemical Etching Processes for Cobalt Chromium - February 5

14697. Chatter-like marks after electropolishing? - February 2

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41531. Cleaning anodized parts with acetone and ultrasonics stains them open Q. - April 14

14851. Salt Spray Results vs. Panel Preparation open Q. - April 12

48664. Wet Tape Adhesion Test per MIL-DTL-5541 open Q. - April 3

61656. DI Water is Etching Anodized Aluminum in the Cleaning Line open Q. - April 3

61653. Shot Peening & Anodization to Maximize Fatigue & Corrosion Resistance of 6082-T6 open Q. - March 21

37317. Hexavalent chrome in surface of chromic acid anodized parts open Q. - March 21

61636. Black Marks on Extruded Aluminum I-Beams open Q. - March 20

  9142. High Thermal Emissivity for Aluminum Electronics Boxes open Q. - March 19

34822. Temperature limit for chromate conversion coating on aluminum open Q. - March 19

56977. Mirror polishing thin aluminum sheet on both sides without warping - March 10

26894. Problems in cold sealing of anodized aluminum - March 2

61637. Halo spot in Hard Coating 6061-T6 Aluminum - February 22

43248. Two-step" black anodizing has reddish powder on it open Q. - February 19

61626. Trouble with Iridite 14-2 only on 2024 - February 19

61639. White patches only when anodizing 60xx open Q. - February 19

51573. Hard anodizing chiller sizing - February 15

  3437. Anode to Cathode Ratio, Size, Spacing, Placement in Anodizing - February 12

61239. Dye keeps flaking off along with some of the anodize open Q. - February 2

61633. Methods for evaluating surface preparation steps during the anodizing process open Q. - January 29

44778. Hard Anodizing Defects: stains, flow marks - January 27

43777. White spotting on black (and red) anodising open Q. - January 11

59981. Calculating required aluminum anodizing time - January 11

53012. Electrolytic Etching of Aluminum open Q. - January 10

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26738. Need Silver Plating to stay bright at high thickness open Q. - April 13

  2454. Gold potassium cyanide gets cloudy below 3.9 pH - April 13

58336. Cadmium Cyanide Plating is Yellow instead of Olive Drab - April 12

61657. Electropurification (dummy) methods for electroplating tanks - April 6

58298. Oil mark issue in satin nickel plating - April 5

  2797. Nickel Striking/plating on stainless steel problems - March 24

52562. Color gold/color gilding: Rose/pink/brown gold plating methods & issues open Q. - March 20

55624. Zinc plate steel wire then draw it, or draw it then plate it? open Q. - March 20

30106. Zinc plating thickness vs. salt spray resistance open Q. - March 10

61647. Complete Process for Cleaning, Cu, and Ag Barrel Plating on Stainless Steel - March 3

61645. Classification for evaluating corrosion in salt-laden atmosphere open Q. - March 1

  0350. Nickel & Gold Plating peels off of Tungsten-Carbide - March 1

61615. Zinc plating with blue passivation is yellowish at holes - February 29

61634. Voltage spikes and amperage drops in Cu-Sn plating - February 27

39520. Copper exposed on parts that are supposed to be nickel open Q. - February 26

61640. Spotted cadmium open Q. - February 19

40169. Tin plate Blistering - February 19

48074. Hard chrome plating problems - February 19

61603. Zinc Plating has white & red rust without a cause - February 19

25163. Expired Lead Frame effect on Plating Quality open Q. - February 2

  9144. Scratches on Hydraulic Cylinders: Mechanical Damage or Plating Defects? - February 1

38475. Alkaline Non-Cyanide Zinc accumulates Zinc oxide or other material at bottom of tank open Q. - January 29

28127. Alkaline zinc plating thickness - January 28

61621. Blue spot/growth on a silver plated component open Q. - January 16

61587. Black stain spots in satin chrome, plus burning open Q. - January 14

61628. Surface Area Calculations for Rough Castings - January 4

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52480. Yellow Stains on Electroless Nickel Plating Inquirer often helps others, so especially deserves our help open Q. - March 21

  4726. Nickel-Chrome Plating on ABS Plastics open Q. - March 19

44444. Silvering formulas using silver nitrate - March 3

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61651. ZrN has sufficient salt spray test resistance but TiN doesn't - March 23

40590. Need TiN coated stainless sheets RFQ open to all: Las Vegas NV - February 20

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55564. Titrating for the concentration of HCl in galvanizing flux open Q. - April 14

54149. Top Dross is growing since we started filtering open Q. - March 20

49192. Galvanizing buildup on MIG wire weld areas - March 11

51659. How much hydrogen peroxide to treat flux tank? - March 11

56867. Spotting, Staining, Blackening of Hot Dip Galvanized Finish - March 10

61641. Having trouble heating the flux bath - March 1

49328. Cost to open a hot dip galvanizing business? - February 20

49271. Zinc ammonium chloride requirements for galvanizing flux - February 19

20172. How tough is galvanneal steel? Will it rust if the coating is penetrated? - February 5

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59418. Passivation after black oxide? - March 29

54394. Black Oxide on stainless steel: problems open Q. - March 21

61635. Hot Black Oxide Issue- brownish-green parts and black spots/streaks - February 12

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52675. Process Comparison for Tufftriding and Nitriding open Q. - March 20

40139. Rust spots on pickled coil after a few days open Q. - September 1

26940. Sursulf Processing Q&A, Problems & Solutions open Q. - April 4

32574. Ra Increase Caused by CED Coating open Q. - April 5

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61658. Powder Coat Paint issue -- missed areas, fisheyes? open Q. - April 16

42644. Pinhole problems in powder coating - February 13

39593. L.a.b. CIELAB color issues: gloss variation, matching different finishes, etc. - February 4

61627. Powder Coating of "Black Annealed" CRS - January 3

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61193. Protecting metal surface with thousands of tiny grooves that trap dirt - March 1

23047. Solvent name for reducing the pH of electrophoretic bath open Q. - February 2

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40308. Gluing Stainless steel to chrome/copper/alloy plate - March 5

46505. Sublimation Coating Introduction, FAQs and Q&A open Q. - February 23

15909. Plastisol & Solvent Ink Formulas & Improvements - February 5

  6926. Painting anodized aluminum - February 1

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37772. Can zinc plated parts go on for zinc phosphating? - February 4

34323. Verifying anti-tarnish for copper plating open Q. - January 13

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28294. Post plate baking of EN coatings - June 25

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61648. How to strip nickel from copper plate open Q. - March 5

33203. Need paint stripper not harmful to plastic open Q. - March 3

22156. Stripping electrophoretic CED coatings open Q. - February 2

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44485. XRF and Plating Thickness Measurement open Q. - March 7

50132. ASTM B117 Salt Fog Test Chamber Operational Q&As, Problems: Salt Spray Woes open Q. - March 3

  0644. Copper Sulphate Test on Gold Plated Part open Q. - March 1

35573. Acceptance criteria after salt spray test - February 19

61638. Need lab SOPs for electroplating shop - February 16

36184. Is titration the best method to analyse copper content of ore? - February 5

41654. Determine % Nitric Acid. Titration? Conversion factor? open Q. - January 29

  6060. Test for Type 316 vs. 304 Stainless Steel open Q. - January 9

18778. Analyzing acid tin baths -- bright and matte open Q. - January 9

61619. Salt Spray and Cyclic Corrosion Test for Assembled Parts January 4

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59691. Sodium Metabisulfite and its reaction with water open Q. - March 26

  7063. Recovery of copper from electroforming solution - January 7

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55787. Has anyone been diagnosed with Parkinsons after working in the chrome plating industry? open Q. - March 10

19953. What is the toxic effects of mixing muriatic acid and bleach? - March 4

  6852. Cyanide Poisoning Issues - February 2

47195. Toxic Lead & chrome in coffee makers & espresso machines? - January 13

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27638. Production of silver potassium cyanide from silver nitrate open Q. - January 23

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443/76. Boeing finish codes Q&As open Q. - April 17

61642. What is Alcoa Alumilite Black 326R1? open Q. - March 1

26629. What is the meaning of MFZn1-SC open Q. - February 16

61632. Does MIL-C-5541 forbid a "Do Not Etch" instruction? - January 26

61506. FAIR 9102 Question re. Chromating & Anodizing - January 19

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57140. Procedures QF-09-162 & QF-09-163 for nitric & chromium analysis? - March 30

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12545. Annealing 316 Stainless Steel Tubing - March 1

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14022. Recover gold from gold plated rims open Q. - April 12

43983. Is this ore/rock Palladium & Rhodium open Q. - March 1

20033. Recovery of fine floating gold open Q. - January 27

50167. How to separate copper from silver - January 11

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61659. Vintage Kerosene Lamp: cleaning Copper Plating & Japanning - April 16

25553. Nickel plating of copper cooking utensils - April 14

34076. Artistic copper plating from hydrochloric acid - April 14

  7229. How to refinish brass lamps - April 6

20967. Gold/Silver plating of natural objects Q&A - April 5

20193. Chroming carbon fiber/plastic - March 30

21868. Rings Made from U.S. Coins - March 29

  0338. Zinc plating & chromating of Carburetors - March 26

30965. Can't remove old plastic protection film from stainless steel - March 21

52028. Staining on anodized aluminum window frames - March 21

26845. How to paint a stove top - March 20

61649. Electroplating as forge welding prep - March 20

62644. Oxide Finishing - March 3

23897. Brass lamp seems to be brass plated copper - February 12

56879. Have Blue Gun, Want it Chrome appearance open Q. - February 8

  4148. Ruined the finish on my stainless steel fridge - February 8

61631. How to Remove Zinc Phosphate from Frying Pan - January 20

41214. Sticky surface after anodising - January 19

21595. Remove black antiquing from my Citadel class ring open Q. - January 18

38108. Jewelry cleaner took finish off ring - January 7

21437. "Rainbowing" and "Bluing" Stainless Steel - January 7

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61652. Coating stainless steel part using PTFE dispersion open - March 26

52366. Hard chrome plating: Volts, Amps, Anode-to-Cathode Distance - March 21

  3795. Achieve uniform thickness in Cobalt-platinum electroplating - February 15

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  0865. Brass electroplating for amateurs and students - April 11

53795. Which chemicals can produce power? open Q. - April 5

28434. Electroplating with copper sulphate for science project - February 24

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50348. How to Make Stainless Appliances a Champagne Gold Color - April 16

61624. Antique French cast metal lamp figurine is what metal? - January 14

  0085. Copper electroforming is too red - January 4

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1178u. How to remove silver tarnish - April 14

18481. Is our sulfur well water safe for our dogs? open Q. - April 14

10153. Sedgwick Residential Elevators Parts and Maintenance? open Q. - April 13

32413. About sweet spirits of nitre (the traditional folk medicine) - April 13

61655. Stovetop Cast Iron Trivet Maker and History? open Q. - March 29

41759. Where to get replacement leg caps for vintage chrome dinette - March 25

11377. Taking antique brass beds apart open Q. - March 22

44464. Who invented words? - March 21

13393. Remove Brown "Varnish" (periostracum) from Shells open Q. - March 7

60399. Bleaching Saguaro (Cactus) Skeletons - February 22

11284. Normal weight 2015d nickel shrunk to size of a penny open Q. - February 2

29470. Is 'P star M' ring that's marked 14K actually solid gold? - January 29

29370. Identifying rings/hallmarks - January 27

33143. Stiffel lamp Q&A's open Q. - January 22

20323. Brass Finishers in the 1800's / 19th century open Q. - January 13

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