Top quality alloy steel threaded pipe fittings are available in sizes of 1/8", 1/4", 3/8", 1/2", 1/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4" with pressure of 2000lb, 3000lb, 6000lb according to ASME B16.11.
There are six thread types which most commonly used on forged pipe fittings.
Size | 1/8" to 4" / DN6 to DN100 |
Pressure Rating | 2000LB, 3000LB, 6000LB |
Standard | ASME B16.11, BS3799, GB/T14626 |
Surface | Anti-rust Oil |
Stainless Steel | ASTM A182 F304/304L, F304H, F316/316L, F310, F317, F321, F347 |
Caron Steel | ASTM A105N, A350 LF2, LF3, A694 F52, F60, F65, F70 |
Alloy Steel Threaded Fittings | ASTM A182 F1, F5, F9, F11, F12, F22, F91 |
Duplex Steel | ASTM A182 F51, F53, F55, S31803, S32205, S32550, S32750, S32760 |
The dimensions and tolerances of threaded fittings in accordance with ANSI/ASME B16.11 as follow table. It is very useful for inspecting these fittings and make sure they are qualified.
Marking and Packing
Inspection
Advantages
C | Mn | P | S | Si | Cr | Mo |
0.05-0.15 | 0.3-0.6 | 0.04 | 0.04 | 0.5 | 2-2.5 | 0.45-0.65 |
Tensile Strength | Yield Strength | Elongation |
415 (Mpa) | 205 (Mpa) | 20 (%) |