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314,1.4841, 1Cr25Ni20Si2 Austenitic High Silicon Heat Resisting StainlessĀ Steel- TJC STEEL.

3/16/2021

 
314 is an austenitic stainless steel. Due to its high silicon content and high [TJC STEEL]oxidation resistance, 314 is mainly used as a heat resistant steel.

National Standard
CHINA GB/T  1221-2007 16Cr25Ni20Si2
GB/T  4237-2007 (1Cr25Ni20Si2)
AMERICA ASTM  A276-2010 S31400
314
GERMANY DIN EN  10088-1-2005 X15CrNiSi25-21
DIN EN  10095-1999 1.4841
SEW 470[TJC STEEL]

Component Specification
GRADE 16Cr25Ni20Si2 314 1.4841
C ≤0.20 ≤0.25 ≤0.20
Si 1.50~2.50 1.50~3.00 1.50~2.50
Mn ≤1.50 ≤2.00 ≤2.00
P ≤0.040 ≤0.045 ≤0.045
S ≤0.030[TJC STEEL] ≤0.030 ≤0.015
Ni 18.0~21.0 19.0~22.0 19.0~22.0
Cr 24.0~27.0 23.0~26.0 24.0~26.0
N -- -- ≤0.11

Material performance:
(1) The oxidation resistance and carburizing resistance are better than 310S, and the toughness and solderability are slightly [TJC STEEL]worse than 310S.
(2)  The highest service temperature is 1200℃, the highest continuous use temperature is 1150℃, and the highest intermittent use temperature is 1050~1100℃.
(3) Sensitive to sulfur-[TJC STEEL]containing atmosphere, there is a precipitate embrittlement tendency at 600~800℃.
(4) good resistance to general corrosion performance.


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