Igwe anaghị agba ncharal F55 bụ igwe anaghị agba nchara duplex (austenitic-ferritic) nwere ihe dịka 40 - 50% ferrite n'ọnọdụ annealed.F55 abụrụla ihe ngwọta bara uru maka nsogbu mgbawa mgbawa nke chloride stress nwere 304/304L ma ọ bụ 316/316L igwe anaghị agba nchara.Ihe dị elu nke chromium, molybdenum na nitrogen na-enye nguzogide corrosion ka 316/316L na 317L igwe anaghị agba n'ọtụtụ gburugburu.A naghị atụ aro F55 maka okpomọkụ arụ ọrụ ruru 600°F
Alloy | % | Ni | Cr | Mo | N | C | Mn | Si | S | P | Cu | W |
F55 | Min. | 6 | 24 | 3 | 0.2 |
|
|
|
|
| 0.5 | 0.5 |
Oke. | 8 | 26 | 4 | 0.3 | 0.03 | 1 | 1 | 0.01 | 0.03 | 1 | 1 |
Njupụta | 8.0 g/cm³ |
Ebe mgbaze | 1320-1370 ℃ |
Alloy ọnọdụ | Ike ọdụdọ | Mpụta ike RP0.2 N/mm² | Ogologo oge | Brinell hardness HB |
Ọgwụgwọ ọgwụgwọ | 820 | 550 | 25 | - |
ASME SA 182, ASME SA 240, ASME SA 479, ASME SA 789, ASME SA 789 Nkebi IV Usoro ikpe 2603
ASTM A240, ASTM A 276, ASTM A 276 Ọnọdụ A, ASTM A 276 Ọnọdụ S, ASTM A 479, ASTM A 790
NACE MR0175/ISO 15156
F55(S32760) na-ejikọta ike igwe dị elu yana ezigbo ductility na nguzogide corrosion na gburugburu mmiri ma na-arụ ọrụ na ọnọdụ okpomọkụ na obere efu.Nnukwu iguzogide abrasion, ozize na cavitation ma na-ejikwa ọrụ ọrụ utoojoo
A na-ejikarị mmanụ & gas na ngwa mmiri eme ihe maka arịa nrụgide, valves chokes, osisi Xmas, flanges na pipework.