Pịnye 347 (UNS S34700) n'ime tubing Coiled
Nkọwa
347 igwe anaghị agba nchara tubing
Ụdị 347 bụ niobium kwụsiri ike chromium nickel austenitic igwe anaghị agba nchara nwere nguzogide corrosion yiri 304/304L.A na-ejikarị ọkwa a na okpomọkụ 800-1500˚F ebe a na-eme ka ọ kwụsie ike megide ọdịda chromium carbide site na mgbakwunye niobium, nke na-ebute ọdịda nke niobium carbide.Ụdị 347 nwere ezigbo nguzogide corrosion intergranular mgbe ekpughere ya na oke okpomọkụ a, ọkwa a na-eguzogide oxidation ruo 1500˚F ma nwee ihe mgbawa dị elu na nrụgide nrụgide karịa 304/304L.Ọ nwekwara ezigbo okpomọkụ siri ike na ọ bụghị magnetik na ọnọdụ annealed.
347 igwe anaghị agba nchara tubing
Ngwakọta kemịkalụ
Ihe mejupụtara kemịkalụ (wt%) dị ka akọwapụtara na ASTM A240 na ASME SA240*.
| Ihe | 347 |
| Carbon | 0.08 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-13.0 |
| Manganese | 2.00 |
| Silikoni | 0.75 |
| Phosphorus | 0,045 |
| sọlfọ | 0,030 |
| Niobium | 10 x C nkeji / 1.00 max |
Ihe eji arụ ọrụ347 igwe anaghị agba nchara tubing
Achọrọ akụrụngwa akụrụngwa maka ngwaahịa anneal dị ka akọwapụtara na ASTM A240 na ASME SA240.
| Ngwongwo | 347 |
| Ike Mpụta, min.(ksi) | 30 |
| Ike ntakiri, min.(ksi) | 75 |
| Ogologo oge, min.(%) | 40 |
| Isi ike, max.(Rb) | 92 |
Njirimara anụ ahụ
Njirimara anụ ahụ maka ụdị 347 igwe anaghị agba nchara
| Ngwongwo | 347 data |
| Njupụta, lb/in3 | 0,288 |
| Modul nke Elasticity, psi | 28.0 x 106 |
| Ọnụọgụ nke Mgbasa ọkụ, 68-212˚F, /˚F | 9.3 x 10-6 |
| Nrụpụta ọkụ, Btu/ft hr ˚F | 9.2 |
| Okpomọkụ akọwapụtara, Btu/lb ˚F | 0.12 |
| Mgbochi ọkụ eletrik, Microohm-in | 28.4 |
Ụkpụrụ
Ụkpụrụ ahụkarị maka ụdị 347 igwe anaghị agba nchara
| 347 |
| ASTM A240 |
| ASME SA240 |
| AMS 5512 |
Oge nzipu: Eprel-22-2023