... , ITALY, WEST EUROPE3. Material:1) CARBON STEEL: ASTM A106 GR. B & C/ ASTM A53 GR. B & C/, ASTM A333 GR. 3/6 & API-5L-GR ... , medical equipment.9) Standard: Seamless – ASTM A106, API 5L, ASTM A179, , ASTM A53, ASTM A192, ASTM A333 Welded – API 5L, ASTM A53,ASTM A671/ A672. High yield Grade: X42 ... much importance at PHILIPS METAL INDUSTRIES. Mechanical machining with seamless steel tube