101108_Plating

101108_Plating - TABLE 1 - MINIMUM BAKE SOAK TIME (HOURS)...

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Unformatted text preview: TABLE 1 - MINIMUM BAKE SOAK TIME (HOURS) AT 375 F (191 C) Steel/Part Description (9) Specified Temper, Minimum Strength or Minimum Hardness (1) Platings (8) Chemical Treatments Cd & Cd-Ti Ni (2) Cr Zn Cu Ag Au Sn Zn-Ni Chem (3) Etch (4) AISI 1095 180 ksi (1241 MPa) or 40 HRC (5) 23 23 8 23 8 3 3 5 8 3 4 AF1410, HP 9Ni-4Co-0.3C, AerMet 100 All 23 23 8 23 8 8 5 5 23 8 4 Other High Strength Carbon, Low-Alloy, Tool Steel 220 ksi (1517 MPa) or 46 HRC (6) 23 23 23 23 8 3 3 5 23 8 4 Lower Strength Carbon, Low- Alloy, Tool Steel 180 ksi (1241 MPa) or 40 HRC (5) (7) 8 8 3 23 8 3 3 3 8 3 4 High Strength Martensitic Stainless other than 440C 220 ksi (1517 MPa) or 46 HRC (6) 23 23 8 23 8 3 3 5 23 8 NA Lower Strength Martensitic Stainless 180 ksi (1241 MPa) or 40 HRC (7) 3 3 3 23 8 3 3 3 8 3 NA 17-7PH 15-7PH 17-4PH 15-5PH Stainless CH900, H900, H925, H950, RH950 23 23 8 23 8 3 3 3 8 3 NA CUSTOM 455 & 465 PH13-8 Mo Stainless H950, H1000 23 23 8 23 8 8 3 8 23 3 NA NOTES: NA - Not applicable (1) Or equivalent (2) Includes electroless nickel, unless age hardened within four hours of plating (3) Chemical Processing: Etching, Stripping, Pickling, Chemical Milling (4) Etch Inspection to detect abusive grinding/machining or the presence of carburizing - Baking is required after etch inspection when hydrochloric or other reducing acid is used (e.g., AMS2649, Type 2 hydrochloric acid desmut). (5) Or higher, but having minimum less than 220 ksi (1517 MPa) or 46 HRC (6) Or higher specified minimum hardness (7) Threaded fasteners - minimum 150 ksi (1034 MPa) and higher or 34 HRC or equivalent but minimum less than 180 ksi (1241 MPa) or 40 HRC or equivalent - three hours for all processes (8) For platings not listed, use baking time shown for cadmium. (9) Custom 455 and Custom 465 are registered trade names of Carpenter Technology Corp. 17-7PH, 15-5PH, 15-7PH, PH13-8 Mo, and 17-4PH are registered trademarks of AK Steel (Armco). TABLE 2 - MINIMUM BAKE SOAK TIMES (HOURS) ON HIGH ALLOY, ULTRA-HIGH STRENGTH STEELS, AND FOR CASE HARDENED SURFACES Steel/Part Description (9) Specified Minimum Hardness (1) (8) Bake Temperature o F ( o C) Platings (6) Chemical Treatments Cd & Cd-Ti Ni (2) Cr TD Cr (7) Zn Cu Ag Au Sn Zn-Ni Chem (3) Etch (4) Music Wire All 325 F (163 C) 23 23 8 96 23 23 8 5 5 23 8 8 52100 62 HRC (5) 275 F (135 C) 23 23 23 96 23 23 23 5 5 23 8 4 52100 Below 62 HRC 375 F (191 C) 23 23 23 23 23 8 23 5 5 8 4 4 440C Stainless 46 HRC (5) 300 F (149 C) 23 23 8 96 23 8 8 5 8 23 8 NA Carburized Carbonitrided All Parts 275 F (135 C) 23 23 8 23 23 23 8 5 5 23 8 8 Nitrided Nitrocarburized All Parts 375 F (191 C) 8 8 8 23 8 8 8 3 3 8 3 4 NOTES: NA - Not applicable (1) Or equivalent (2) Includes electroless nickel unless age hardened within four hours (3) Chemical Processing: Etching, Stripping, Pickling, Chemical Milling (4) Etch Inspection to detect abusive grinding/machining or the presence of carburizing - Baking is required after etch inspection...
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101108_Plating - TABLE 1 - MINIMUM BAKE SOAK TIME (HOURS)...

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