What is the difference between pipe specifications ASTM A312 TP 304 & ASTM A312 TP304L, ASTM A312 TP 316 & ASTM A312 TP 316L? Answer: Difference is due to the Carbon content. The Letter “L” denotes lower percentage of carbon. % of carbon content in : – I. ASTM A312 TP 304 – 0.08 % […]
What is the basic difference between Pipe specification A106 Gr.A / Gr.B/ Gr.C.? Answer: Difference is due to the Carbon content.% of carbon content in : I. ASTM A106 Gr. A – 0.25 % II. ASTM A106 Gr. B – 0.30 % II ASTM A106 Gr. C – 0.35 %.
What are the commonly used ASTM WROUGHT IRON FITTINGS ? Answer: I. Carbon Steel :- ASTM A234Gr.WPA/B, ASTM A420 Gr.WPL6(used for low temp) II. Alloy Steel :- ASTM A234 WP1/WP5/WP7/WP9/WP11/WP12/WP22. III. Stainless Steel :- ASTM A403 WP304/WP304L/WP304H/WP309/WP310/WP316/WP316L/WP316H/ WP317/WP321/WP321H/WP347/WP347H/WP348.
What are the commonly used ASTM ALLOY STEEL PIPES ? Answer: Alloy Steel :- ASTM A335 Gr.P1/P2/P5/P7/P9/P11/P12/P22.
What are the commonly used ASTM STAINLESS STEEL PIPES ? Answer: Stainless Steel :- ASTM A312 TP304/TP304L/TP304H/TP308/TP310/TP316/TP316L/TP316H/TP317/TP321/TP321H/TP347/TP347H/TP348/TP348H.
What are the commonly used ASTM CARBON STEEL PIPES ? Answer: Carbon Steel : -ASTM A53 Gr. A/B, ASTM A106 Gr. A/B/C
Which American standard is reffered for selection of following piping element? Answer: A. Flanges :- I. ASME B16.1 : – Cast iron pipe flanges & flanged fittings. II. ASME B16.5 : – Carbon steel pipes flanges & flanged fittings. (Up to 24”) III. ASME B16.47 : – Large Diameter steel flanges. (Above 24”) B. Butt […]
What are the different sections of ASME code? Answer: 1. ASME section I : – Rules for construction of power boiler. 2. ASME Section II : – Materials. Part A – Ferrous materials. Part B – Non-Ferrous materials. Part C – Specification for electrodes & filler wire. Part D – Properties. 3. ASME Section IV […]
What are the different pressure piping codes for ASME B31 ? Answer: A. ASME B31.1 – Power piping. B. ASME B31.2 – Fuel Gas Piping. C. ASME B31.3 – Process piping. D. ASME B31.4 – Pipeline Transportation system for liquid hydrocarbon & other liquid. E. ASME B31.5 – Refrigeration Piping. F. ASME B31.8 – Gas […]
Which American institute standard does piping engineer refer in general? Answer: A. The American Petroleum institute (API). The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. B. The American Iron & Steel institute (AISI). The American Iron and Steel Institute (AISI) is […]