阀门材质与应用.doc

阀门材质与应用-U5M3T*e!W"C;VWCB,_![,c1s6y#P.H9~碳钢#_-n)I#C!`0F#e3J$hASTMA2163x2y5F7}7V9a!Q1E无腐蚀性应用，包括水，油和气，.C&a){}4p9a温度范围：-30oC至+425oC9F$V$]/_9R2S-v6m"o.urdE(y)M/P,ILCB8|3|+l5D!\*w,B(U#`-~3V1G7d低温碳钢0Q3K+G!]3A9g!W7_$V+h$jASTMA3524s1o%C:O&m'w低温应用，温度低至-46oC#T!@0v1@3k"^b不能用于温度高于+340oC的场合'Y!k/i:r1O3@7`'H3y+L\LC33z9|0s"W1o.x4o-x3.5%镍钢%i(r5W/b/t9\&y8d6hASTMA3529B6X"D-w'O8I+d)q低温应用，温度低至-101oC!n6[)O~:a"}0q6P不能用于温度高于+340oC的场合:V$},K"F0A!c4K7V0Q8D7~DJ"H/[!b6f8HWC6(].d*z%v$S1U$r$T!\#e+v'v1.25%铬0.5%钼钢;d6z/P%P6v([ASTMA217-}*}8c!?;`"C/p+G:j7J"P2U#_无腐蚀性应用，包括水，油和气，&@;Q4[#o(k#t'`8u(E温度范围：-30oC至+593oC;p!m(}}A"v#l9_9S2U6W!aWC92N:d9O"U5A2Z0n&_!V2.25铬'k4e"H5Q7IASTMA2174O;]-t2S$|;u7y,V9B/K8J7D无腐蚀性应用，包括水，油等级WC9和气，4v'N!d$h"y.k温度范围：-30oC至+593oC6X-b4\,T4S"t#`9J&I(@+B,K+p.G+P;J.GC5,X+Y'b3I&G'|$a;K7}5%铬0.5%钼#c9j/H4R/\ASTMA217({/K,}-cM.A,e+C7b.E轻度腐蚀性或侵蚀性应用及无腐蚀性应用，Q9^0L![#T7Y;L8w6j-\温度范围：-30oC至+649oC3{%Y,^"X1W%P)c)v$^2~3H(L#j*q/i3SC12-T9W+r&d*{9r2Q(`9%铬1%钼,Z/`.k:|#],vASTMA2175t'Q:`:[%]b轻度腐蚀性或侵蚀性应用及无腐蚀性应用，*R;Y5j:\&i4k*]5?温度范围：-30oC至+649oC6n0a'`)w;_-c*J+{#~8t!?"~"C$})bCA6NM(4)$o6a4f)I+[0L8Z;k12%铬钢3K(t;\+b0]I8u)wASTMA487*M7U-d/s!^2^$E1f6r7N6Y!l2{+y腐蚀性应用，1i/S'W-H,y#b-]9t温度范围：-30oC至+482oC'K$i0n9G(K2u2N%r$f3p-~.r$Y)k(b5T2BCA15(4)0V$m6V.l6r:yA1?12%铬"b4S-~$U*p)k.e%f.d5o0K8BASTMA217$K;@5}5\4R3n*[腐蚀性应用，3V3['G8D1A:J.F#@温度范围高达+704oC/j5L2u,_3N"H3G*K*Y2y-^8p,i,_9F0z*l'P&nCF8M7T*a8t#f6O!f)E"I316不锈钢&AD.^$u5KASTMA3515i3{9u.O1v腐蚀性或超低温或高温无腐蚀性应用，0R$o+^;R-o温度范围：-268oC至+649oC，'|!g5y2~(i!z温度+425oC以上要指定碳含量0.04%及以上:v+^4R,B9D-Xj-T.V+e"Z!f)O7_4Z/R'O4Y(HCF8C5W'O+U8}6`!R6z347不锈钢*@;k:m:b"QASTMA351%[)i/X7l6S6E*U'q主要用于高温，腐蚀性应用，,G2X.L1m1}%\N,k温度范围：-268oC至+649oC，w2v2?`.c温度+540oC以上要指定碳含量0.04%及以上'@7^']-T-L*j-b-^3a8Y+I1A1Wm/P.o!ACF88_1@(_/`9m,y304不锈钢0J1F$\1K#L&U!m+C9D(?4nASTMA351:J;R5l9e7k2e;b(F0I3~腐蚀性或超低温或高温无腐蚀性应用，0i-z'q9|6E2L&N温度范围：-268oC至+649oC，*d&zS!q$g温度+425oC以上要指定碳含量0.04%及以上"k$T&]/n&S)F&M:f"H0{-X0r'j.{$^1RCF34n$h0S/R6O/X,Y304L不锈钢8p(i.G/k)S.N)HASTMA351#V5Y'P6{0k:Y腐蚀性或无腐蚀性应用，/r&j5C7f-z&T1W'g#d:z'F7^温度范围高达+425oC"V*v#C'Y)C/R$H5A5t:^;j$_3R