SUPER DUPLEX S32760 / F55 / 1.4501
Nkọwa
1.Inye ike dị elu karịa ma austenitic na 22% Cr Duplex Stainless Steels UNS S32760 (F55) dabara na ngwa dị iche iche na ụlọ ọrụ dị ka mmanụ & gas, CPI (Chemical Processing Industries), na gburugburu mmiri.
Edepụtara UNS S32760 (F55 / 1.4501) na NACE MR 01 75 maka ọrụ utoojoo yana nweta nkwado ASME maka ngwa Pressure Vessel.
ike etoju site mfe okpomọkụ ọgwụgwọ na Ọnọdụ RH 950 na TH 1050. The Wezuga elu ike nke Ọnọdụ CH 900 na-enye ọtụtụ uru ebe mmachi ductility na workability bụ kwere. N'ọnọdụ okpomọkụ a na-agwọ ya, alloy a na-enye ihe eji arụ ọrụ pụrụ iche na okpomọkụ ruru 900 °F (482 Celsius C).
Mpempe akwụkwọ data ihe
| Alloy | Super Duplex S32760 |
| Akụrụngwa Mba. | 1.4501 |
| Akara EN (obere) | X2CrNiMoCuWN25-7-4 |
| UNS | UNS S32760 |
| Akara ọrụ edebanyere aha | ASTM A182/F55 |
Ngwakọta kemịkalụ
| C | Cr | Cu | Fe | Mo | Mn |
| % | ≤% | ≤% | % | % | |
| 0.030 kacha | 24 <26 | 0.5 <1.0 | Ihe ncheta | 3.0 <4.0 | 1.0 kacha |
| N | Ni | P | S | Si | W |
| % | % | % | % | ≤% | % |
| 0.20 <0.30 | 6.0 <8.0 | 0.030 kacha | 0.010 kacha | 0.010 kacha | 0.50 <1.0 |
Ngwongwo Pụrụ Iche
| Ndị ntorobịa Modul N/mm2 | Njupụta kg/dm³: | Ike ndọta |
| 199 x 10³ | 7.81g/cm³ | 33 |
Nguzogide dị oke mma maka nbibi na corrosion crevice / ozize
Nkọwapụta
● EN 10088-3 1.4501
● ASTM A473 UNS S32760 Forgings
● ASTM A182 ọkwa F55 UNS S32760 Flanges akpara akpa
● ASTM A240 UNS S32760 Mpempe akwụkwọ na efere
● ASTM A479 UNS S32760 Bar
● ASTM A276 UNS S32760 Ọnọdụ A
● NACE MR 01-75
Ihe na-abịa na asambodo 3.1.
Asambodo 3.2 dị na nkwụ ụgwọ.
Ihe eji arụ ọrụ
| 0.2% mgbakasị ahụ (N/mm2) [ksi] kacha nta 550 | 550 [79.8] |
| Ike tensile kacha elu (N/mm2) [ksi] kacha nta | 750 [108.8] |
| Ogologo oge (%) kacha nta | 25 |
| Isi ike (HBN) | 270 max |
| Mbelata Mpaghara Obe (%) kacha nta | 45 |
| Mmetụta Charpy V-notch na ambient Temp (J) [ft.lb] | Nkeji 80 [59min] |
| Mmetụta Charpy V-notch na -46°C (J) [ft.lb] | 45v, 35min [33av, 25.8min] |
