Farqiga u dhexeeya 347 iyo 347h birta la yaab leh.

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.

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.

https://www.sakystil.com/347-347h-stainss-Stal-bar.html
https://www.sakystil.com/347-347h-stainss-Stal-bar.html

Waqtiga Post: May-11-2024