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Duplex Stainless Steel Property

Duplex Stainless Steel Property


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Duplex stainless steel castings, sorted by standard.

Duplex Stainless steel has two phase microstructure consisting of grains of Ferritic and Austenitic stainless steel. It has a better strength and corrosion resistance property than stainless steel 304/316. Duplex stainless steels have lower nickel and molybdenum contents than their austenitic counterparts of similar corrosion resistance.

 

Stainless Steel GradeChemistry Content  (%)
CMnSiPSNiCrMoNCuOthers
1A (CD4MCu)0.041.001.000.040.044.75~6.024.5~26.51.75~2.25
2.75~3.25

1B

(CD4MCuN)


 

0.041.001.000.040.044.7~6.024.5~26.51.70~2.300.1~0.252.7~3.3

1C

(CD3MCuN)


 

0.031.201.100.030.035.6~6.724.0~26.72.90~3.800.22~0.331.4~1.9
ANC-210.050.750.750.050.054.75~6.025.0~27.01.75~2.25≤0.102.75~3.25
2A(CE8MN)0.081.001.500.040.048.0~11.022.5~25.53.0~4.50.1~0.30
3A(CD6MN)0.061.001.000.040.044.0~6.024.0~27.01.75~2.50.15~0.25
4A (CD3MN)0.031.501.000.040.024.5~6.521.0~23.52.5~3.50.1~0.30≤1.00
1.44700.032.001.000.0350.0254.5~6.521.0~23.02.5~3.50.12~0.20
5A

(CE3MN)

0.031.501.000.040.046.0~8.024.0~26.04.0~5.00.1~0.30
1.44690.031.001.000.0350.0256.0~8.025.0~27.03.0~5.00.12~0.22≤1.3
1.44680.032.001.000.0350.0255.5~7.024.5~26.52.5~3.50.12~0.25

6A

(CD3MWCuN)


 

0.031.001.000.030.0256.5~8.524.0~26.03.0~4.00.2~0.300.5~1.0W :0.5~1.0
1.45170.031.501.000.0350.0255.0~7.024.5~26.52.5~3.50.12~0.222.75~3.5
1.44170.031.501.000.030.0206.0~8.524.0~26.03.0~4.00.15~0.251.00W:≤1.0

 

Stainless Steel GradeRefer to Standard

Heat

treatment


Mechanical PropertyImpact Testing
σbσ0.2δ5HB
MPaMPa%
1A(CD4MCu)ASTM A890-03Solution Treatment69048516

1B

(CD4MCuN)

69048516

1C

(CD3MCuN)

69045025

ANC-21
70050018

2A(CE8MN)ASTM A890-0365545025

3A(CD6MN)65545025

4A (CD3MN)62041525

1.4470EN10283-9860042020
KV 30(J)
5A

(CE3MN)

ASTM A890-0369051518

1.4469EN10283-9865048022
KV 50(J)
1.446865048022
KV 50(J)
6A

(CD3MWCuN)

ASTM A890-0369045025

1.4517EN10283-9865048022
KV 50(J)
1.441765048022
KV 50(J)


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