321 Stainless hlau
Gnee Steel yog cov khoom lag luam loj tshaj plaws thiab cov chaw muag khoom ntawm 321 stainless hlau, muaj nyob rau hauv phaj, ntawv, muaj peev xwm ua tau raws li qhov yuav tsum tau ua profile thiab faib thoob ntiaj teb los ntawm peb lub chaw nyob hauv Suav teb. ntawm Titanium ...
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Hauj lwm lawm
Gnee Steel yog cov khoom lag luam loj tshaj plaws thiab cov chaw muag khoom ntawm 321stainless hlau, muaj nyob rau hauv phaj, ntawv, muaj peev xwm ua tau raws li qhov yuav tsum tau ua profile thiab xa tawm thoob ntiaj teb los ntawm peb lub chaw nyob hauv Suav teb.Type 321 yog tus qauv austenitic 18/8 chromium nickel alloy nrog ntxiv ntawm Titanium ua rau nws xaiv zoo heev hauv qhov chaw kub siab. Siv rau hauv cov ntawv thov tshwj xeeb hauv 450-850 degrees centigrade, 321 sib xyaw ua ke siab zog nrog kev tiv thaiv kev ntsuas thiab theem kev ruaj ntseg, Qee qhov chaw ntawm daim ntawv thov yog, cov khoom siv hluav taws xob, lub tshuab hluav taws xob super thiab qhov chaw tom qab hluav taws xob, cov khoom siv hluav taws xob thiab kev nthuav dav.
Stainless 321 yog cov cua sov resistant, titanium stabilized, austenitic alloy uas feem ntau siv rau kev pabcuam hauv 1000 degree -1600 degree F qhov kub thiab txias. 321 stainless feem ntau yog siv rau hauv cov ntawv thov uas muaj qhov kub thiab txias tsis tu ncua nyob rau hauv cov nag lossis daus ntawm carbide ntawm 800 degree -1500 degree F. Hom 321 zoo ib yam li hom 304 stainless tab sis nrog cov titanium ntxiv ntawm tsawg kawg tsib zaug cov pa roj carbon. cov ntsiab lus.
Kev piav qhia
Hom 321 yog austenitic chromium-nickel stainless hlau uas muaj titanium uas tau pom zoo rau cov khoom tsim los ntawm kev vuam uas tsis tuaj yeem tom qab raug annealed. Hom 321 yog ib qho stabilized austenitic stainless hlau zoo ib yam li hom 304 tab sis nrog titanium ntxiv. Qhov sib ntxiv titanium no txo lossis tiv thaiv carbide nag lossis daus thaum vuam thiab hauv 800 - 1500 degree F (427 - 816 degree ) kev pabcuam. Nws kuj tseem txhim kho cov khoom kub siab ntawm cov hlau. Hom 321 muab kev tiv thaiv zoo heev rau oxidation thiab corrosion thiab muaj zog nkag tau zoo.
Kev sib xyaw
Kev sib xyaw ua ke ntawm cov qib 321 stainless hlau yog muab rau hauv cov lus 1.
Table 1.Kev sib xyaw ua ke rau 321- qib stainless hlau
| Qib | C | Mn | Si | P | S | Cr | Mo | Ni | N | Lwm yam | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 321 | min. max |
- 0.08 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
- | 9.0 12.0 |
0.10 | Ti=5(C plus N) 0.70 |
| 321H | min. max |
0.04 0.10 |
2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
- | 9.0 12.0 |
- | Ti=4(C plus N) 0.70 |
| 347 | min. max |
0.08 | 2.00 | 0.75 | 0.045 | 0.030 | 17.0 19.0 |
- | 9.0 13.0 |
- | Nb=10(C plus N) 1.0 |
Mechanical Properties
Tej yam khoom siv rau qib 321 stainless hlau yog muab rau hauv rooj 2.
Rooj 2.Txhua yam khoom ntawm 321- qib stainless hlau
| Qib | Tensile zog (MPa) min | Yield zog 0.2 feem pua Pov thawj (MPa) min | Elongation (feem pua hauv 50 mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
| 321H | 515 | 205 | 40 | 95 | 217 |
| 347 | 515 | 205 | 40 | 92 | 201 |
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