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    NAVY MS18308-1976 ALLOY STEEL SOCKET WELDING FLANGES AND FLANGED NIPPLES 1 4 INCH AND 3 8 INCH 600 POUNDS PER SQUARE INCH AT 850 DEG F (MAXIMUM)《1 4英尺和3 8英尺600英镑每平方英尺在850度F最大合金钢承插焊.pdf

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    NAVY MS18308-1976 ALLOY STEEL SOCKET WELDING FLANGES AND FLANGED NIPPLES 1 4 INCH AND 3 8 INCH 600 POUNDS PER SQUARE INCH AT 850 DEG F (MAXIMUM)《1 4英尺和3 8英尺600英镑每平方英尺在850度F最大合金钢承插焊.pdf

    1、m r -_ - E-29 -0 - - FED. SUP CLASS 4730 I .k * . -_ . z . . J.: -._ . . i FLANGED NIPPLE WELDING FLANGED NIPPLE F MIL-STM2 m2 SOCKET WELMNG FLANGE a “f TInE Alloy steel socket welding Ilanges MILITARY STANDARD + QI P.A. sLI .da u dfi .A 4 al and flanged nipples, 1/4 inch and 3/8 E Q OihnCurt inch,

    2、600 pounds per square inch at QI4 850.F (maximum) 3 S“EE1 OF 3i*,d e 8 1 Pmeurnmnt Wikeetnir IWRSEDI& e Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MS38308 i57 m 9999932 0010286 3 m I 473 SH PRMUREHINT SPEClFkXTIN unul? Alloy ateel 80Ck.t weldi

    3、ng flange. and flanged M Il IT ARY ST AN DA RD nipples, 1/4 inch and 318 inch, 600 pounds per .square inch 8t 850.F (maximum) .I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I FED. SUP CLASS I 4130 WIREMENTS: I. 2. 3. 1. 5. 6. 7. 8. OTEC : 1. 2. 3

    4、. 4. Flange material shall ba chromium-molybdenum alloy steel, 1-1/4 chromi- Surface finishes shall be as follow8: um, 1/2 molybdenum in accordance with ASTM A182, grade P-11 or ASTH A217, grade Wc-6. (a) where indicated by %shall be in accordance with ANSI 846.1. (b) Mating surfacer of the flanges

    5、shall be either serrated-concen- tric or serrated-spiral having a roughness not excttding 500 roughness height rating (RHRI produced by machining not less than 40 cuts of uniform depth per inch of face width. Threads shall be in accordance with Handbook 8-28. After machining, flanges ahall be cleane

    6、a to remove fareign particles. Each flange shall be identified by casting, electro-chemical etch, Burrs shall be blended. vibro tool, or stamping with the followings (a) Manufacturers name or trademark. (bl Pressura rating. (cl Material. (d) Size, ips. placement is not subject to removal of the mark

    7、ing during machining. Stamping shall be done with round bottom stamps. Cast identificaticm marking is allowed on the flange back provided Two flanges of each type and size, selected by the Government representative from the initial run, shall be tested to 1500 lb/in 2 hydrostatic pressure, in the pr

    8、esence of the Government tepresenta- tive. There shall be no leaks or weaknesses develop in the flanges during this test, The test shall be accepted as having established the strength of the flanges. Dimensions are in incher. Tolerances shall be as follows: (a) Unless otherwise specified herein, tol

    9、erances on fractions shall (t) (o) invitation for bids, or request for proposal, except #at referenced adopted industry documents shall give the date of the issue adopted. procurement documents referenced herein. be + 1/64 inch, on decimals shall be 0.010 inch. of +, 0.030 inch. bore and the socket

    10、bore axis shall be 1/16 inch in 1 foot. Socktand flange bore shall be concentric within a tolerance The maximum allowable variation in the alinement of the flange Referenced documents shall be of the issue in effect on date of For design feature purposes, this standard takes precedence over Sli TITL

    11、E Alloy steel socket welding flanges YLLITARY STANDARD P.A. and flanged nipples, 1/1 inch and 3/8 inch, 600 pounds per square inch at 85O.P (maximum) iMS18308(SH) Other Cuir Pi*criman? fwllirmin UIPLRSEDEI: /SHEET OF D D 672 N NONF! 1 - :.:6-3a? . COORDINATION 4 7 30-i46 2 4 Cnrnvmus mmms OC THIS CORY ARC OmsoLaTe. .I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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