stainless,carbon steel pipes/tubes

1)Stainless steel Welded pipe/tube:
      Standards:ASTM A249,ASTM A269,ASTM A270,ASTM A312,ASTM A554,      Material:304,304L,316,316L,201,202,409L,430,etc      Out diameter:2 - 2000mm
      Wall Thickness:0.2 - 20mm 2)Stainless steel Seamless pipe/tube:
     Standards:ASTM A312,ASTM A213,ASTM A269,JIS3446,JIS3448,JIS3459     Material:304,304L,316,316L,321,317L,347,310S 3) High-precision Seamless Sanitary pipe:
     Standard:ASTM A270,DIN 11850,etc     Material:304,304L,316,316L
     Spec:19.1*1.5mm - 159mm*1.5mm,length:4m,6m,12m 4)Carbon steel Seamless pipe/ERW/SSAW/LSAW/SAW:
     Standard:ASTM A53,A106,A179,A192,DIN2391,DIN17175,API 5L     Material:Gr.A,Gr.B,X42,X52,X65,X70,St37,St52 etc
     Out diameter:10.3 - 610mm     WT:1.73 - 40mm 5)Carbon steel Welded pipe/tube:
     Standard:API 5CT,API 5L,ASTM A53,ASTM A252,DIN 1626,ISO559 etc     Material:Gr.A,Gr.B,X42,X52,X65,X70,St37,St52 etc 
     Out diameter:21.3 - 2540mm     WT:2 - 20mm