ISO4144 150lb stainless steel screw pipe fittings Features: 1). Materials: ASTM A351, CF8M, CF8 2). Threads: ANSI B1.20.1(NPT), BS 21(PT, BSP), ISO 7/1, ISO 228/1 3). Dimensions: ISO49-1983(E), MSS SP-114 4). Rating: 150 PSI on Fittings 5). Superior Quality: A. Fittings are thread-tested in the strict manufacturing processes prior to the shipment. B. Pneumatic pressure testing is performed. C. Before pouring, each material balth is carefully analyzed by Spectrometer for Chemical Composition and Analysis. D. Internal burrs are carefully removed to prevent seal damage and leakage. 6). TENSILE REQUIREMENT MECHANICAL PROPERTY Tensile strength Mpa Yield Strength Mpa Elongation % 485-540 206-265 30-33 540 265 33 7). Delivery detail: Within 35 or 45 days after the sample confirmed