Zizi have advanced duplex steel threaded coupling production line and supplies ASTM A182 F55 Class 6000 Threaded 3/8" BSPP Coupling ASME B16.11 for Belgium.
Duplex Steel Forged Fittings are known for their high strength, excellent corrosion resistance and long service life which are better than stainless steels. The Class 6000 Coupling is durable as well as withstand to high pressure. It is common used to connect pipes within 4 inches.
Size | 1/8" to 4" / DN6 to ND100 |
Pressure Rating | Class 3000, 6000 |
Standard | ASME B16.11 and BS3799 |
Surface | Anti-rust Oil or Galvanized |
Forged Cap Type | Scoket Weld Cap, Threaded Cap |
Stainless Steel | ASTM A182 F304/304L, F304H, F316/316L, F310, F317, F321 |
Caron Steel | ASTM A105, A350 LF2, LF3, A694 F52, F60, F65, F70 |
Alloy Steel | ASTM A182 F1, F5, F9, F11, F12, F22, F91 |
Duplex Steel | ASTM A182 F51, F53, F55, S 31803, S 32205, S 32550, S 32750, S 32760 |
ASTM A182 F55 Chemical Composition
C | Si | Mn | S | P | Cr | Ni | Mo |
0.03 | 1 | 1 | 0.01 | 0.03 | 24-26 | 6-8 | 3-4 |
ASTM A182 F55 Mechanical Properties
Tensile Strength | Yield Strength | Elongation |
750-895 (Mpa) | 550 (Mpa) | 25 (%) |
Marking and Packing
Inspection
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