壁厚 外径
中国 China
0Cr18Ni9 (0Cr19Ni9)
日本 Japan
德国 Gerrmany
X5CrNiMo17-12-2 X5CrNiMo17-12-3
GB 12770-2002
GB 12771-2000
HG 20537.2-1992
HG 20537.3-1992
HG 20537.4-1992
ASTM A312/A312M (ASTM SA312/SA312M) ASTM A269/A269M (ASTM SA269/SA269M) ASTM A358/A358M (ASTM SA358/SA358M) JIS G 3463 JIS G 3468 DIN 17455 DIN 17457
Cr-Ni奥氏体不锈钢管 W=0.02491 s(D-s) Cr-Ni-Mo 奥氏体不锈钢管 W=0.02507 s(D-s) 式中:W=每米理论重量(kg/m) s=壁厚(mm) D=外径(mm)