347 bu niburitic-nwere igwe anaghị agba nchara, ebe 347h bụ ụdị carbon dị elu ya. N'ihe banyere ihe mejupụtara,347enwere ike ịhụ ya dị ka a na-enweta site na ịtinye niebium na ntọala nke 304 igwe anaghị agba nchara. Niobium bụ ụwa nke na-arụ ọrụ na-arụ ọrụ otu aka ahụ na Titanium. Mgbe agbakwunye na alloy, ọ nwere ike nsịchaa ihe owuwu ọka, guzogide njikọta njikọta, ma kwalite afọ ike.
Ⅰ.R na-aza ajụjụ na ụwa
| Chaina | Gbit 20878-2007 | 06cr18ni11nb | 07cr18ni11nb (1cr19ni11nb) |
| US | ASTM A240-15a | S34700,347 | S34709,347h |
| Jis | J1S g 4304: 2005 | Ya 347 | - |
| Idide | En 10088-1005 | X6crinb18-10 1.4550 | X7crninb18-10 1.4912 |
Ⅱ.Chemical mejupụtara s34700 igwe anaghị agba nchara
| Greedi | C | Mn | Si | S | P | Fe | Ni | Cr |
| 347 | 0.08 max | 2.00Max | 1.0 Max | 0.030Max | 0.045 max | 62.74 min | 9-12Max | 17.00-19.00 |
| 347h | 0.04 - 0.10 | 2.0 Max | 1.0 Max | 0.030 max | 0.045 max | 63.72 min | 9-12Max | 17,00 - 19.00 |
Ⅲ.347 347h na eji mmiri nchara nchara nchara
| Keuju | Na-agbaze | Ike tensile (MPA) min | Mkpụrụ ume (22%) min | Elongation (% na 50mm) min |
| 8.0 g / cm3 | 1454 Celsius C (2650 Celsius F) | PSI - 75000, MPA - 515 | PSI - 30000, MPA - 205 | 40 |
Njirimara ⅳ.Mariaver
Corrionclent na-eguzogide nguzosi ike na 304 igwe anaghị agba nchara.
N'agbata 427 ~ 816 ~ 816 ~ 816 ~ 816 ℃, ọ nwere ike igbochi nguzobe nke cromidise, guzogide mmeso, ma nwee nguzozi corriontion.
O ka nwere ụfọdụ iguzogide nguzogide gburugburu oxhidizing gburugburu ebe obibi dị elu nke 816 ℃.
④5easy ịgbatị na ụdị, dị mfe iji weld.
⑤good obere okpomọkụ siri ike.
Ⅴ.Applicationmation
Arụmọrụ dị elu nke347 & 347hnchara nchara dị mma karịa nke 304 na 321 na 321. na okpomoku adighi agafe 850 Celsius. Akụkụ nke na-arụ ọrụ n'okpuru ọnọdụ, wdg.
Oge Post: Mee-11-2024