1、MIL-H-1816OC (CH) AMENDMENT-1 1 October 1979 MILITARY SPECIFICATION HOSE ASSEMBLIES, CORRUGATED STEEL, 200 =/IN2 AND 425OF MAXIMUM STEAM SERVICE RATING This amendment forms a part of Military Specification MIL-H-l816OC(SH), dated 9 May 1978. PAGE 1 2 .I, under “SPECIFICATIONS, FEDERAL“: Delete refer
2、ence to “QQ-C-390“, “QQ-S-698“, and 2.1, under *SPECIFICATIONS, MILITARYn : Delete reference to “MIL-B-16444 * and “QQ-W-423“. “MIL-B-16 541 “ . PAGE 2 2.2: Delete reference to “AMERICAN IRON AND STEEL INSTITUTE (AISI) “. 2.2, under “AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)“: Delete referen
3、ce to “B61“ and “B62“, and add the following: A27 - Mild-to Medium-Strength Carbon-Steel Castings for “A47 - Malleable Iron Castings. “A53 - Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded “Al06 - Seamless Carbon Steel Pipe for High-Temperature Service. “A109 - Steel, Carbon, Cold-Rolled Strip
4、. “Al20 - Pipe, Steel, Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless for Ordinary Uses. “A167 - Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip. “A296 - Corrosion-Resistant Iron-Chromium, Iron-Chromium-Nickel, and Nickel-Base Alloy Castings for General
5、Application. “A312 - Seamless and Welded Austenitic Stainless Steel Pipe. “A366 - Steel, Carbon, Cold-Rolled Sheet, Commercial Quality. “A446 - Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process, “A478 - Chromium-Nickel Stainless and Heat-Resisting Steel Weaving Wire. “A526 - Steel Sheet,
6、Zinc-Coated (Galvanized) by the Hot-Dip Process, “A580 - Stainless and Heat-Resisting Steel Wire. “A611 - Steel, Cold-Rolled Sheet, Carbon, Structural. “A619 - Steel Sheet,.Carbon, Cold-Rolled, Drawing Quality. “A620 - Steel Sheet, Carbon, Cold-Rolled, Drawing Quality, “A666 - Austenitic Stainless S
7、teel, Sheet, Strip, Plate, and Flat Bar “A743 - Corrosion-Resistant iron-Chromium, Iron-Chromium-Nickel, and “B36 - Brass Plate, Sheet, Strip, and Roiled Bar. B43 - Seamless Red Brass Pipe, Standard Sizes. “B209 - Aluminum-Alloy Sheet and Plate. “B271 - Copper-Base Alloy Centrifugal Castings. “B584
8、- Copper Alloy Sand Castings for General Applications.“ General Application. and Seamless. Structural (Physical) Quality. Commercial Quality. Special Kille. for Structural Applications. Nickel-Base Alloy Castings for General Application. FSC 4720 il Provided by IHSNot for ResaleNo reproduction or ne
9、tworking permitted without license from IHS-,-,- MIL-H-LL60C (1) 47 m 7999706 0273037 7 m t Part Material and specification Class S Class NM I MIL-H-10160C (SH) AMENDMENT-1 Stainless steel (300 series): ASTM A470 and A500 Stainless steel (300 series, maximum permeability not greater than 2.0 after f
10、abrication): ASTM A470 and A500 Pressure carrier Guard Galvanized carbon steeli: Brass: ASTM B36 ASTM A446 and AS26 Aluminum: ASTM B209 Aluminum: ASTM B209 Couplings Malleable iron: ASTM A47 Brass: ASTM 8504 and B271 Carbon steel: ASTM A27 Stainless steel (austenitic) : ASTM A296 and A743 Nipples Ma
11、lleable iron: ASTM A47 Brass: ASTM B43 Carbon steel: ASTM A53, Stainless steel (300 series): Al06, and Al20 ASTM A312. Cold rolled carbon steel: ASTM A109 , A366, A611, A619, and A620 Stainless steel (300 seriesI maximum permeability not greater than 2.0 after fabrication) : ASTM A666 and A167 . Wir
12、e braid reinforcement r Page 2 of 5 . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-ILb0C (I) 47 W 9797906 0273020 5 MIL-H-18 16 OC ( SH AMENDMENT-1 PAGE 4 4.3.1: Delete and substitute: “4.3.1 First article Sam les. Samples of class S hose as
13、semblies shall be submitted as follows fo= tests spe in 4.3.2 through 4.3.7. then class NM will be tested. shall be tested. If class NM hose is being offered, Only the largest and smallest sizes of hose being acquired ia) (b) 4.3.1.1: Two lengths of hose with couplings attached. The overall length s
14、hall be not less than 15 feet for the tests specified in 4.3.2 and 4.3.3. One lenath of hose with coudinas attached. The overall lenath shall Ge not less than 5 feet iexclusive of couplings) for Che tests specified in 4.3.4 through 4.3.6.“ Delete. PAGES 4 and 5 4.3.3: Delete and ubstitute: “4.3.3 Fl
15、exin test. After hoses have successfully passed the test specified in 4.3.2, they shall bedted to flexing tests on a flexing device as shown on figure 1. shall be bent to the bend diameter specified in table II. Each size hose being tested shall be subjected to a minimum of 20,000 cycles of flexure
16、while under 200 lb/in2 and 425OF steam simulated service conditions. Hose Hose shall be cycled at the rate of 20 cycles per minute.“ PAGE 5 4.3.6, second sentence: Delete and substitute: “Samples shall be thoroughly cleaned 4.5, item(b) : Delete “wire“. to remove grease and dust.“ PAGE 6 5.1.1: Dele
17、te and substitute: “5.1.1 Level A. 5.1.1.1 Class S hose. Each class S hose shall be cleaned, dried, preserved and unit protected methodn-azdance with the requirements of MIL-P-116. cleaning and drying process shall be at the contractors option. Each hose interior shall be coated with a preservative
18、compound conforming to P-3 or P-21 at the contractors option. Hose ends shall be sealed with plugs or caps that will provide protection against entry of any foreign material alternatively, ends may be aealed with a greaseproof barrier material conforming to type I, grade A, claes 2 of MIL-B-121 exte
19、nding approximately four inches over the open ends and onto the hose body and secured with a minimum 1-inch wide water resistant, pressure sensitive tape. burlap overwrap which shall be securely fastened. damage. Each hose shall be coiled in a uniform and compact manner and to an inside diameter of
20、not less than that specified in 3.4, table II, as applicable to the hose size. Each coil shall be secured in a minimum of three places, placed approximately equidistant apart. method III in aaance#ith the requirements of MIL-P-116. Selection of the cleaning and drying process shall be at the contrac
21、tors option, Hose ends shall be sealed with plugs or caps that will provide protection against entry of any foreign material alternatively, ends may be sealed with a greaseproof barrier material conforming to type I, grade A, class 2 of MIL-B-121 extending approximately four inches over the open end
22、s and onto the hose body and secured with a minimum 1-inch wide water resistant, pressure sensitive tape. The barrier wrap shall be provided with a final, full covering burlap overwrap which shall be securely fastened. Each hose shall be coiled in a uniform and compact manner and to an inside diamet
23、er of not less than that specified in 3.4, table II, OB applicable to the.hose size. place., placed approximately equidistant apart.“ Selection of the The barrier wrap shall be provided with a final, full covering Exposed threads shall be protected from “5.1.1.2 Class NM base. Each class NM base sha
24、ll be cleaned, dried, and unit protected Exposed threads shall be protected from damage. Each coil shall be secured in a minimum of three Page 3 of 5 - -F e- -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-LL60C (I) 47 = 7977706 0273021 7 MI
25、L-H-18160C (SHI AMENDMENT-1 PAGE 8 Figure 1: Delete and substitute the attached figure 1. Preparing activity: Navy - SH (Project 4 72 O -N54 5 ) I r - Page 4 o 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-H-LLbOC (1) 97 7799906 0273022 9 W M
26、IL-H-18160C (SH) AMENDMENT-1 Only one wheel is necessary if only one hose is being tested. NOTE : Wheel diameters shal be sized to the minhum bend radius of the hose being tested. FIGURE 1. Flexing apparatus. Page 5 of 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
