Material 1.4507

Duplex Superduplex

"The material 1.4507 is an austenitic ferritic stainless steel. The material belongs to the group of super duplex steels. The two-phase structure brings together the positive properties of austenitic and ferritic stainless steels. These properties are reflected in the good corrosion resistance and the high strength values. The Material in the chemical industry, in the oil and gas industry, on and offshore industry, paper industry.The Pren value for the material 1.4507 is over 40%.The Pren value indicates how corrosion-resistant a stainless steel is to corrosion.From a Pren- With a value of 32, the material is considered resistant to seawater. The Pren value is calculated using the formula: %Cr + 3.3XMo + 16x%N. 1.4507 has a density of 7.81 (g/cm³)."

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1.4507

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
request

Material Category: Duplex Superduplex

Applications

chemistry, petrochemistry
shipbuilding
Apparatus and container construction
Oil and Gas Industry
mechanical engineering

Heat Treatment

solution annealed

Weldability

The material 1.4507 can be welded.

Chemical Composition

C % Si % Mn % P % S % Cr % Cu % Mo % N % Ni %
max 0,03 max 0,70 max 2,00 max 0,035 max 0,015 24,00 - 26,00 1,00 - 2,50 3,00 - 4,00 0,200 - 0,300 6,00 - 8,00

 

Product Specifications

DIN EN 10028-7 , DIN EN 10216-5
DIN EN 10088-1 , DIN EN 10222-5
DIN EN 10088-2 , DIN EN 10250-4
DIN EN 10088-3 , DIN EN 10272
NORSOK
NACE MR 0103 , NACE MR 0175

Mechanical Properties

1.4507
Hot rolled sheet, solution annealed
Dimension Yield strength Rp0.2 Samples Temperature
<= 50 mm >= 475 N/mm² Lengthwise ~ 20 C°
<= 50 mm >= 490 N/mm² Crosswise ~ 20 C°
 
  Tensile strength Rm    
<= 50 mm 690 - 890 N/mm²   ~ 20 C°
 
  Elongation A5 %    
3 - 50 mm >= 25 % Lengthwise ~ 20 C°
3 - 50 mm >= 25 % Crosswise ~ 20 C°
 
  Elongation A50 %    
<= 3 mm >= 25 % Lengthwise ~ 20 C°
<= 3 mm >= 25 % Crosswise ~ 20 C°
 
  Elongation A80 %    
<= 3 mm >= 25 % Lengthwise ~ 20 C°
<= 3 mm >= 25 % Crosswise ~ 20 C°
 
  Impact Test (ISO-V/Charpy-V)    
<= 50 mm >= 40 JOULE Crosswise ~ 40 C°
<= 50 mm >= 150 JOULE Lengthwise ~ 20 C°
<= 50 mm >= 90 JOULE Crosswise ~ 20 C°
 
Forging piece
DIN EN 10222-5
Yield strength Rp0,2 %    
  >= 450 N/mm²   ~ 100 C°
  >= 420 N/mm²   ~ 150 C°
  >= 400 N/mm²   ~ 200 C°
  >= 380 N/mm²   ~ 250 C°
<= 160 mm >= 500 N/mm²   ~ 20 C°
 
  Tensile strength Rm     
  > 660 N/mm²   ~ 100 C°
  >= 640 N/mm²   ~ 150 C°
  >= 620 N/mm²   ~ 200 C°
  >= 610 N/mm²   ~ 250 C°
<= 160 mm 700 - 900 N/mm²   ~ 20 C°
 
  Elongation A5 %    
<= 160 mm >= 25 % Lengthwise ~ 20 C°
<= 160 mm >= 20 % Crosswise ~ 20 C°
<= 160 mm >= 20 %  tangential ~ 20 C°
 
  Impact Test (ISO-V / Charpy-V)    
<= 160 mm >= 150 JOULE Lengthwise ~ 20 C°
<= 160 mm >= 90 JOULE Crosswise ~ 20 C°
<= 160 mm >= 90  JOULE  tangential ~ 20 C°
 
Steel bars
DIN EN 10272
Yield strength Rp0,2    
  >= 450 N/mm²   ~ 100 C°
  >= 420 N/mm²   ~ 150 C°
  >= 400 N/mm²   ~ 200 C°
  >= 380 N/mm²   ~ 250 C°
<= 160 mm >= 500 N/mm²   ~ 20 C°
 
  Tensile strength Rm    
  >= 660 N/mm²   ~ 100 C°
  >= 640 N/mm²   ~ 150 C°
  >= 620 N/mm2   ~ 200 C°
  >= 610 N/mm²   ~ 250 C°
<= 160 mm 700 - 900 N/mm²   ~ 20 C°
 
  Elongation A5 %    
<= 160 mm >= 25 % Lengthwise ~ 20 C°
 
  Hardness HBW    
<= 160 mm <= 270 HBW   ~ 20 C°
 
  Impact Test (ISO-V/Charpy-V)    
<= 160 mm > 40 JOULE Lengthwise ~ 40 C°
<= 160 mm > 100 JOULE  Lengthwise ~ 20 C°

 

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