الوصف

Outside diameter OD***-OD**0(mm ) Wall thickness 4.***0 (mm ) Length ***3M Steel grade **1(1Cr*7Ni*7), **4 Moderate Frequency (0Cr*8Ni9), **4 AOD (0Cr*8Ni9), **4L(*0Cr*9Ni*0) , **1 M oderate Frequ ency (1Cr*8Ni9Ti), **1 AOD (1Cr*8Ni9Ti), **6(0Cr*7Ni*2Mo2), **6L(*0Cr*7Ni*4Mo2), **0S(0Cr*5Ni*0) , **7L(*0Cr*9Ni*3Mo3) Specification GB/T*********2, GB/T*********2, GB*******1, GB******8 ?? ASTM/ASME A**3/SA**3, ASTM/ASME A**2/SA**2, ASTM/ASME A**9/SA**9, DIN *******5, DIN *******5, JIS G ***9, JIS G ***3, JIS G ***8 JIS G ***6.