DIN 1.4550 Stainless hlau Round yeeb nkab
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1.4550 stainless hlau yeeb nkabyog niobium-stabilized austenitic stainless hlau. Niobium ntxiv los txhim kho intergranular corrosion kuj. Lub corrosion kuj nyob rau hauv corrosive media xws li acids, alkalis, thiab ntsev yog tib yam li ntawm 321. Nws muaj zoo vuam kev ua tau zoo thiab yuav siv tau raws li cov ntaub ntawv resistant thiab resistant cov ntaub ntawv. Kub hlau siv. Qhov chaw nyob rau hauv corrosion tej yam kev mob ntawm 400 ~ 900 degrees, kub kub vuam yam ntxwv qhov chaw.
oxidation tsis kam, creep kuj thiab qaug zog tsis kam ntawm 1.4550 tshav kub-resistant nyob rau hauv high-temperature ib puag ncig nyob ntawm nws cov alloy muaj pes tsawg leeg thiab microstructure. Cov tshuaj muaj pes tsawg leeg ntawm 1.4550 yog: C: Tsawg dua lossis sib npaug rau 0.05, Si: Tsawg dua lossis sib npaug rau 1.00, Mn: Tsawg dua lossis sib npaug rau 1.00, P: Tsawg dua lossis sib npaug rau 0.040, S: Tsawg dua lossis sib npaug rau 0.030, Cr: 16.00-19.00, Ni: 9 .00-1100, Mo: 0.80-1.50. Nyob rau hauv cov txheej txheem xws li laser txiav thiab vuam, lub siab melting point thiab zoo thermal stability ntawm 1.4550 pab txhim kho kev ua tau zoo thiab txo cov nqi ntau lawm.
1. Kev kho polishing ntawm 4550 stainless hlau polished raj tuaj yeem txhim kho nws qhov chaw tiav, txo cov adhesion ntawm cov pa phem, thiab txhim kho kev tu cev. Mechanical zog ntawm 1.4550: tensile zog 650 MPa, yield zog 300 MPa, elongation 35%. 1.4550 muaj hluav taws xob tiv thaiv kev ua haujlwm siab hauv kev lag luam nuclear xws li nuclear reactors thiab radioactive pov tseg.
DIN 1.4550 Pipes Seamless Pipes sib npaug qib
| Qib | 347 | |
| UNS No | S34700 | |
| Laus British | BS | – |
| En | X6CrNiNb18-10 | |
| Euronorm | Tsis muaj | 1.4550 |
| Lub npe | – | |
| Swedish SS | – | |
| Japanese JIS |
SUS |
|
Hlau DIN 1.4550 Seamless Pipes
SS DIN 1.4550 Pipes Lub cev muaj zog
| Qib | TSI 1.4550 | |
|---|---|---|
| Qhov ceev (kg / m3) | 8000 | |
| Elastic Modulus (GPa) | 193 | |
| Mean Coefficient ntawm Thermal Expansion (m/m/0C) | 0-1000C | 17.2 |
| 0-3150C | 17.8 | |
| 0-5380C | 18.4 | |
| Thermal conductivity (W / mK) | ntawm 1000C | 16.2 |
| ntawm 5000C | 21.5 | |
| Kub tshwj xeeb 0-1000C (J/kg.K) | 500 | |
| Hluav taws xob tiv taus (nm) | 720 | |
1.4550 Stainless Hlau Round Pipe Lub cev muaj zog:
| Melting point / degree | Tshwj xeeb kub muaj peev xwm/kg/(kg.k) degree 0~100 degree | Thermal conductivity / w / (mk) 100 ~ 500 degree | Linear expansion coefficient/({0}}/k) 100 ~ 500 degree | Resistivity / (Ω.mm2 / m) 20 degree | Longitudinal elastic modulus / GPa20 degree |
| 1398~1427 | 0.5 | 16.3~22.2 | 16.6~18.6 | 0.73 | 193 |
| Qhov ceev g / cm | Hardness HBW | Hardness HRB | Sib nqus | ||
| Kev daws teeb meem 187 | 90 |
GNEE cov khoom lag luam muaj cov khoom lag luam zoo, hloov pauv lub sijhawm thiab kev ua haujlwm siab. Cov ntaub ntawv tseem ceeb thiab qib muab suav nrog: 201, 202, 301, 304, 307, 309, 309s, 310, 310s, 316, 410, 430, 904, 2205, nrog cov qauv hauv Tshuag txhua xyoo puag ncig.
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