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Material: | ASTM A105, A350 LF2 / LF3 | Shape: | Equal,,Union,Reducing,Round |
---|---|---|---|
Connection: | Socket Welding, Screwed | Technics: | Forged |
Surface Treatment: | Solution Treatment,Polishing,Acid Pickling,rust-proof Oil | Type: | Elbow,Cross,Coupling,Tee, Cap, Plug |
High Light: | forged threaded fittings,asme pipe fittings |
ASTM A105 A350 LF2 / LF3 Carbon Steel Pipe Fittings Forged Steel Fittings
Carbon steel pipe fittings can be divided into forged steel fittings and butt weld fittings. ASTM A105 and A350 LF2 / LF3 are common grades of carbon steel material, and commonly used to manufacture forge steel flange and fittings of small diameter piping. This carbon steel material grade is used for ambient- and higher-temperature service in pressure systems.
Carbon Steel Socket Weld Fittings Types
Carbon Steel Threaded Pipe Fittings Types
Markings on Forged Steel Pipe Fittings
Specification |
ASTM A105 & ASME SA105/ ANSI/ASME B16.11 / MSS-SP-43/79/83 |
Size Range |
1/8" NB to 4"NB in Class 2000lb, 3000lb, 6000lb, 9000lb |
Type |
Socket Weld Fittings & Threaded Pipe Fittings |
Grades | ASTM A105, A350 LF2 / LF3, A694 F52, F56, F60, F65, F70 |
Thread Type | NPT, PT, BSPP, BSPT |
ASME B16.11
This Standard covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and Threaded Forged Fittings.
MSS SP-83
Class 3000 and 6000 Pipe Unions, Socket Welding and Threaded
MSS SP-95
This Standard Practice covers dimensions, finish, tolerances, marking, and material for carbon steel and alloy steel Swaged Nipples (male end reducing fittings), NPS 1/4 through NPS 12 and Bull Plugs (hollow or solid male closures) NPS 1/8 through NPS 12.
ASTM A105 & A350 LF2 Chemical Composition
Grade | C | Si | Mn | P | S | Cr | Ni | Mo | Cu | V |
A105 | 0.35 | 0.1- 0.35 | 0.6 - 1.05 | 0.035 | 0.04 | 0.3 | 0.4 | 0.12 | 0.4 | 0.08 |
A350 LF2 | 0.03 | 0.15 - 0.3 | 0.5 - 1.35 | 0.035 | 0.04 | 0.3 | 0.4 | 0.12 | 0.4 | 0.08 |
ASTM A105 & A350 LF2 Mechnical Properties
Grade | Tensile Strength (Mpa) | Yield Tensile (Mpa) | Elongation (%) | Hardness (HB) |
A105 | 485 | 250 | 22 | 187 |
A350 LF2 | 485 - 655 | 250 | 22 | 197 |
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