Kowiri tira rua
Te Whakamahana Teitei
◆F51 (31803) Ko te nuinga whakamahia duplex kowiri tira, te nuinga whakamahia i roto i te hinu kawa me te hau hanga puna, i roto i te para hinu, matū, tongi, petrochemical me etahi atu mara, mo te hanga o whakawhiti wera, whakamatao whakamatao, etc. e pängia ana ki te waikura poka me te waikura ahotea o nga taputapu pehanga. Engari o 304L, 316L austenitic kowiri tira.
◆F53 (S32750) Ko te super duplex kowiri tira me te hauota tāpiri, e te nuinga whakamahia i roto i te matū, petrochemical me taputapu moana e hiahia kaha motuhake me te waikura ātete.
◆F55 (S32760) Ko te super duplex kowiri tira ki te kaha teitei, te ātete tiketike ki pūhaumāota waikura rohe me te waikura ahotea, me te weldable.
◆329 (S32900) he pai te aukati o te waikura, te aukati waikura, te kaha teitei, me te pai mo nga taiao penei i te aukati waikura o te moana.
◆A4 maitai (0Cr17Mn13Mo2N) he maitai-waahanga-rua, a he pai ake tona parenga waikura atu i te maitai austenitic whakamahia nuitia ki te ihirangi Mo o 2% -3%. Ka taea te tono ki nga maniua matū iti, nga taputapu Urea huringa katoa, etc.
◆S31050 he ātete nui ki te hauhaumāota ahotea waikura pakaru, pai ātete ki te waikura poka me te waikura kapiti.
◆U3 he āhuatanga anti-parapara me te anti-corrosion, a he maha whakamahia ki te hanga i roto i te pou takirere, tūru takirere me ētahi atu wāhanga takirere roto.
Ko te ◆HD e whakamahia nuitia ana i roto i te ahumahi hiko, te ahumahi photoelectric, te ahumahi petrochemical, te ahumahi motopaika me etahi atu pupuhi hiko hinu hiko tere.
◆C4 he pai mo nga miihini poutū-nui-nui, te whakauru, te whakauru, te whakapae whakapae me etahi atu ahumahi miihini.
◆DS-2 he waikura ātete i roto i te pāmahana tiketike waikawa pungatara kukū, a he pai mo te ahumahi mihini i roto i tiketike pāmahana kukū ahumahi waikawa pungatara.
Te hanganga matū
| Kōeke | C | Si | Mn | S | P | Cr | Ni | Mo | Cu | N | W | atu |
| kaua e nui ake i | ||||||||||||
| F51 | 0.03 | 1 | 2 | 0.02 | 0.03 | 21～23 | 4.5～6.5 | 2.5～3.5 | - | 0.08～0.2 | － | - |
| F53 | 0.03 | 0.8 | 1.2 | 0.02 | 0.035 | 24～26 | 6～8 | 3～5 | ≤0.5 | 0.24～0.32 | — | - |
| F55 | 0.03 | 1 | 1 | 0.01 | 0.03 | 24～26 | 6～8 | 3～4 | 0.5～1 | 0.2～0.3 | 0.5～1 | - |
| 329 | 0.08 | 1 | 1.5 | 0.03 | 0.035 | 23～28 | 3～6 | 1～3 | - | - | - | - |
| A4 maitai | 0.08 | 0.7 | 12～15 | 0.02 | 0.045 | 16.5～18.5 | - | 1.8～2.2 | - | 0.2～0.3 | - | - |
| S31050 | 0.02 | 0.7 | 2 | 0.01 | 0.025 | 24～26 | 21～23 | 2～2.5 | — | 0.1～0.16 | — | - |
| U3 | 0.02 | 0.4 | 2.5～3 | 0.015 | 0.02 | 24～26 | 19～21 | 2.5～3 | — | 0.2～0.3 | － | - |
| HD | 0.03 | 4.5～6 | 1 | 0.01 | 0.03 | 17～19 | 18～20 | 0.3～0.8 | 1.5～2.5 | － | － | - |
| C4 | 0.03 | 3～4.5 | 1 | 0.025 | 0.03 | 13～15 | 13～15 | － | － | － | － | - |
| DS-2 | 0.02 | 5～7 | 1 | 0.03 | 0.03 | 8～11 | 22～25 | - | - | - | - | - |
Te iti rawa o nga rawa konumohe
| āhua | te kaha tensile RmN/m㎡ | Kaha Tuku Rp0.2N/m㎡ | Whakaroa Hei% | Brinell pakeke HB | |
| F51 | Te maimoatanga otinga | 620 | 450 | 25 | 290 |
| F53 | Te maimoatanga otinga | 800 | 550 | 15 | 310 |
| F55 | Te maimoatanga otinga | 820 | 550 | 25 | - |
| 329 | Te maimoatanga otinga | 620 | 485 | 20 | 271 |
| A4 maitai | Te maimoatanga otinga | 480 | 255 | 25 | - |
| S31050 | Te maimoatanga otinga | 650 | 380 | 24 | - |
| U3 | Te maimoatanga otinga | 680 | 400 | 22 | - |
| HD | Te maimoatanga otinga | 750 | 410 | 25 | - |
| C4 | Te maimoatanga otinga | 800 | 400 | 23 | - |
| DS-2 | Te maimoatanga otinga | 690 | 390 | 21 | - |
