Alloy Steel Pipes and Tubes
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Carbon Steel :- ASTM A53 GR. B/ A106 Gr. B/API 5L GRADE B/API 5L GR. X42/46/52/56/60/65/70/A333 GR. 3/GR. 6/BS 3059 etc Alloy Steel ASTM A335 GR. P1/ P5/ P9/ P11/ P22/ P91/ IS 1239 Light (A Class/ Medium (B Class)/ Heavy (C Class)/ IS 3589