347 waa niobium-wattium-ka austenitic-ka ah birta aan caadiga ahayn, halka 347h waa nooc kaarboon sare ah. Marka laga hadlayo isku dhafka,347Waxaa loo arki karaa in alloy ka soo baxday in lagu daro niobium salka 304 birta aan la taaban karin. Niobium waa mid naadir ah oo dhulka ah oo si la mid ah u shaqeynaya tittanium. Markii lagu daro ally, waxay nadiifin kartaa qaab-dhismeedka hadhuudhka, iska caabin kara dharka isqargalinta, iyo kor u qaadida da'da adag.
Ⅰ
Maacuun | GBIT 20878-2007 | 06cr18ni11NB | 07cr18ni11NB (1cr19nI11NB) |
US | ASTM A240-15a | S34700,347 | S34709,347h |
Jalis | J1s G 4304: 2005 | SU 347 | - |
Biyo haro | En 10088-1-2005 | X6crninb18-10 1.4550 | X7cringinb18-10 1.4912 |
Ⅱ.chemical of S34700 baararka birta aan cillad lahayn
Heer u qaybin | 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 347h Guryaha Turnical ee Birta
Cucid | Dhibcaha dhalaalaya | Xoog TSenlisle (MPA) Min | Dhali xoog 0.2% caddeyn (MPA) min | Codadka (% 50mm) min |
8.0 g / cm3 | 1454 ° C (2650 ° F) | PSI - 75000, MPA - 515 | PSI - 30000, MPA - 205 | 40 |
Ⅳ.mates-ka guryaha
Iska ilaali caabbinta 'exxcellent' ee isbarbardhigaya 304 bir bir ah.
② Inta u dhaxaysa 427 ~ 816 ℃, waxay joojin kartaa sameynta chromium carmide, oo iska caabin kara dareenka, waxayna u leedahay iska caabbinta wanaagsan ee isqarxinta.
③IT wali waxay leedahay iska caabbinta qaas ah oo ku saabsan jawiga adag ee oksida ah oo leh heerkul sare oo ah 816 ℃.
④East si aad u fidiso oo u sameyso, si sahlan loo ogol.
⑤god ee heerkulka yar ee hooseeya.
Ⅴ.applositions jeer
Waxqabadka heerkulka-sare ee347 & 347hbir bir ah ayaa ka wanaagsan tii 304 iyo 321. Waxaa si weyn loogu isticmaalaa duulista, cuntada, waraaqaha kale, sida tuubooyinka gaaska kulul, tuubooyinka gaaska kulul ee mishiinnada, iyo xamuul yar iyo heerkulka aan ka badnayn 850 ° C. Qaybo ka shaqeeya xaaladaha, iwm.
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Waqtiga Post: May-11-2024