1、NIL-C-52023 73 7977706 OL22L2O . MILXTARY SPEIFICATION CAlING: CERAMIC. REFRACTORY. om MIGC-S202S(Ord) 10 Maroh1958 . - FOR ._ . -_ PR lqN OF Low CARBON ST %L EIGH TEMPEZATJW 1. SCOPE 1.1 Scope. - This specification covers process requirements for a heat- - resistant ceramic coating as used 1 intern
2、ai cambustion engine exhaust pipes, mufflers, stacks and related parts, and on low carbon steel items, where pro- tection from heat, corrosion, oxidation, and gases is required. 2. AppLIcABLEDocuMENTs 2.1 The following documents, of the issue in effect on date of invitation for bids, form a part of
3、this specification. STANDAXE MIIJTAEY KiGSTD-105 - Sampling procedures and Tables for inspection by Attributes. ML-STD-lO9 - Inspection Terms and Definitions. (Copies of specifications, standards, drawings and publications required by contractors in connection with specific procurement functions sho
4、uld be obtained fram the procuring activity or as directed by the contracting officer ) . 3. RE4uI-s 3.1 Preproduction sample. - Coated sampLes SU be eutrmitted as required . by the procuring activity for inspection and tests to determine confomance to this specification (see 4.3.2 ad 4.2). 3.2 Mate
5、riais . 3.2.1 Coating. - Materials used shall be such as to produce coatings which ahall meet the requtrements of this specification. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-52023 73 W 7779706 0322323 2 W KIL-C-52023 (bd) be detrimental
6、 to the appearance or protective value of the coating (see 6.3). 3.2.2 Basis metais. - The basis metal shall be free from defects that will 3.3 - Finish. - The coating shall have a mat, or semi-mat (not glossy) finish. 3.4 Thickness. - The coating shall be applied to the base metal, to a total unifo
7、rm thickness after firing of not less than 0.002 inch and not more than 0.004 inch on smooth coated areas, and not to exceed 0.007 inch at beads or spots other than and not lees than 20,oOO P.S.I. when fzyhly heated to -1,20F. sand-blasted or acid pickled prior to application of coating. Its tensile
8、 strengbh fnw carbon steel should be Notice: - Wnen Goverment drawings, specifications, or other data ax used for any purpose other than in connection with a definitely related Government procurement operation, the nited States Government thereby incurs no respon- sibility nor any obligation whatsoe
9、ver; and the fact that the Government may have formulated, mished, or in any way supplied the said drawings, specifi- cations, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permissi
10、on to manufacture, use, or sell any invention that may in any way be related thereto. custodian: Army - Ordnance Corps Preparing activity: Army - Ordnance Corps Other interests : Army-c 7 , i, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-HIM-52023
11、 A - TEST SPECIMEN a 6 - THERMOCOUPLE FOR CONTROLLING FLAME TEMPERATURE. FIGURE I - EQUIPMENT FOR FLAME-IMPINGEMENT TESTS. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-C-52023 73 7977706 OL22L2B 5 . A- ._ YIL+-5202S( Ord) A - TEST SPECIMEN B - THERMOCOUPLE FIGURE -2 EQUIPMENT FOR THERMAL-SHOCK RESISTANCE TEST. 9 GPO SOW Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
