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It is important to select proper piping material to ensure system safety and durability at appropriate cost. The pipeline must be suitable for the flow medium and the given operating condition of temperature and pressure during the intended design life.
According to our field of application, we are inclined to classify metal piping in the following 3 main categories:
It is utilized to carry gases, vapors, and high-temperature mixtures from one location to another.
Standard: ASME B31.1, B31.3, ASTM A234, ASTM A860, ASME B16.5, API6A etc.
Most common connections: Butt Welding, Socket Welding, Threads, Flanges, Grooved
The benefits of a corrosion resistant metal should be abundantly clear.
That’s why stainless steel is a common choice for applications. Stainless steel pipe is primarily used in piping systems for the transport of fluids or gases. In addition to being resistant to corrosion, stainless steel has other properties that make it an excellent choice for sanitary services such as Bio-Pharma or Food&Beverage
INDUSTRIAL STANDARDS:
A403, ASTM A813/A813M, ASTM A182, ASME B16.5, ASTM
A554, ANSI B16.11, ISO 4144, ISO 2999
Most common connections: Butt Welding, Socket Welding, Threads, Flanges, Grooved
Butt weld is to connect pipes and fittings ends by butt welding process. Also known by welded pipe fittings. It has ends in beveled or plain, dimensions normally up to 72″. Manufactured according to ASME B16.9.
Thickness range: Schedule 10, Schedule 40, Schedule 80, XS, XXS and SCH 160
In the case of involving mounting dimensions of butt welded fittings, this will include the diameter in the NPS and the thickness in the schedule.
Material in carbon, alloy and stainless steel.
Standards and Grades:
Staniless Steel:
ASTM A403 – WP304/304L/316/316L and etc.
Dimentions: ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
Carbon Steel:
ASTM A234 – WPB, WPC, WP5, WP9 WP11, WP12, WP22, WP91
ASTM A860 – WPHY 42, WPHY 46, WPHY 52, WPHY 60, WPHY 65, WPHY 70
ASTM B16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, and MSS-SP-97. etc
ASME B16.11 is the standard for the forged steel fittings, including socket weld and threaded type. Material including carbon steel, alloy steel and stainless steel. Also described as Class 2000, 3000, 6000 threaded end fittings and Class 3000, 6000, and 9000 for socket weld end fittings.
Fittings Connection Type:
Threaded (NPT, BSPT, BSPP) & SW (socker weld)
Size Chart Of:
1/8” NB to 4” NB (Screwed-Socket)
Available Materials
ASTM A105, A350 LF2, A106, A312, A234, A403
ASTM A182 (F304, F304L, F316, F316L, F304H, F316H, F317L, F321, F11, F22, F91)
Types: Elbow, Tee, Cross, Coupling, Half Coupling, Cap, Plug, Bushing, Union, HEX. Nipple, Swage nipple, Bull Plug, Street Elbow, Boss, Reducer Insert and Out-let…etc
Dimention specs
ASME B16.11-2009 (Revision of ASME B16.11-2005) MSS – SP – 79, 83, 95, 97 and BS3799.
ANSI / ASME B1.20.1-1983 NPT
Finishing
Carbon steel: Galvanized or black.
Stainless steel: Pickled.
SANITARY STANDARDS:
ASTM A270, 3A Standards, DIN 11850, DIN 11851, ISO 2853, SMS-1145, AS1528, ISO-2582, DIN 32676, ASME-BPE
Most common connections: Butt Welding, Socket Welding, Threads, Flanges, Grooved
