Khoom Description
A312 TP321 Seamless Stainless Hlau Tube
Qhov zoo ntawm A312 TP321 Seamless Stainless Hlau Tube
- Zoo heev nitric acid kuj: TP321 yog qhov tsim nyog rau oxidizing thiab acidic ib puag ncig tshaj 304, yog li txo qhov kev pheej hmoo ntawm rhiab heev -txog corrosion hauv welded chemical piping thiab ua rau nws zoo tagnrho rau kev siv tshuaj.
- Thermal qaug zog kuj: TP321 seamless stainless hlau raj nthuav tawm zoo heev oxidation tsis kam ntawm qhov kub thiab txias thiab tuaj yeem tiv taus qhov kub thiab txias tsis muaj deformation, ua rau nws zoo tagnrho rau kev siv xws li dav hlau cav casings, aircraft, thiab automotive tso kav.
- Intergranular corrosion kuj: Piv rau 304/304L, TP321 tuav nws tag nrho corrosion kuj tom qab vuam los yog nyob rau hauv siab - qhov kub thiab txias ib puag ncig, tiv thaiv intergranular embrittlement thiab perforation.
Daim ntawv thov ntawm A312 TP321 Seamless Stainless Hlau Tube
- Kev lag luam Petrochemical: Cov kav dej rau kev thauj khoom siab - kub, siab - siab, corrosive media xws li roj, nkev, thiab chav dej, nrog rau cov khoom siv hluav taws xob thiab cov kav dej siab.
- Kev lag luam fais fab: High-kub thiab siab- lub siab boiler raj, superheater raj, thiab cua kub exchanger raj hauv thermal thiab nuclear fais fab nroj tsuag.
- Aerospace: Cov khoom tseem ceeb xws li cov khoom siv dav hlau dav hlau thiab cov roj tank kab.
- Automotive: Exhaust systems, turbocharger Cheebtsam, thiab emission tswj Cheebtsam.
Tshuaj muaj pes tsawg leeg
| Element | C | Mn | Si | P | S | Cr | Ni | Ti |
| TP321 (%) | Tsawg dua los yog sib npaug li 0.08 | Tsawg dua lossis sib npaug li 2.00 | Tsawg dua lossis sib npaug li 0.75 | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.030 | 17.0 – 19.0 | 9.0 – 12.0 | Ntau dua lossis sib npaug li 5 × C (feem ntau 0.5 - 0.7%) |
Mechanical Properties
| Khoom | Tensile zog | Yield zog | Elongation | Hardness (HRB) |
| Tus nqi | Ntau dua lossis sib npaug li 515 MPa | Ntau dua lossis sib npaug li 205 MPa | Ntau dua lossis sib npaug li 35% | Tsawg dua los yog sib npaug li 90 |
Cov qhab nia xaiv tau
- 304H- Rau nruab nrab siab -kev pabcuam kub qhov twg titanium stabilization tsis tas yuav tsum tau.
- 316H- Rau kev txhim kho cov tshuaj chloride, tab sis qis oxidation tsis kam tshaj 321.
- 347 / 347H- Columbium-stabilized lwm txoj rau 321, nrog kev nkag siab zoo dua.
- 310S- Rau qhov kub siab oxidation tsis kam, tab sis nrog tus nqi siab dua.
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