Material 1.0070

Non-alloy structural steel

St 70-2 is an unalloyed structtural steel. It is mainly beeing used for general mechanical engineering. Its tensile strength is between 670 and 830 N/mm².

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1.0070

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
E360 St70-2 ASTM A519Grade1030 ASTM A572GRADE55 ASTM A678GradeC Fe690 Fe70 request

Material Category: Non-alloy structural steel

Applications

1.0070 / E360 is frequently used in steel construction, mechanical engineering, bridge construction and vehicle construction.

Chemical Composition

P % S % N %
max 0,045 max 0,045 max 0,012

 

Mechanical Properties

1.0070
Hot rolled
Flat and long products		 Streckgrenze Rp0,2
Yield Stress RP0,2
N/mm²		 Zugfestigkeit Rm
Tensile strength Rm
N/mm²		 Bruchdehnung
Elongation
A %		 Einschnürung
Reduct of Area
Z %		 Härte
Hardness
HB		 Kerbschlagarbeit KV (ISO-V)
Impact Test (Charpy-V)
J		 Probenlage
Sample
 		 bei Temperatur
at Temperature
°C
<=16 mm >= 360 N/mm²              
16 - 40 mm >= 355 N/mm²              
40 - 63 mm >= 345 N/mm²              
63 - 80 mm >= 335 N/mm²              
80 - 100 mm >= 325 N/mm²              
100 - 150 mm >= 305 N/mm²              
150 - 200 mm >= 295 N/mm²              
200 - 250 mm >= 285 N/mm²              
<=3 mm   690 - 900 N/mm²            
3 - 100 mm   670 - 830 N/mm²            
100 - 150 mm   650 - 830 N/mm²            
150 - 250 mm   640 - 830 N/mm²            
3 - 40 mm     >= 11 %       längs / along  
3 - 40 mm     >= 10 %       quer / cross  
40 - 63 mm     >= 10 %       längs / along  
40 - 63 mm     >= 9 %       quer / cross  
63 - 100 mm     >= 9 %       längs / along  
63 - 100 mm     >= 8 %       quer / cross  
100 - 150 mm     >= 8 %       längs / along  
100 - 150 mm     >= 7 %       quer / cross  
150 - 250 mm     >= 7 %       längs / along  
150 - 250 mm     >= 6 %       quer / cross  
           
<= 1 mm     >= 4 %       längs / along  
<= 1 mm     >= 3 %       quer / cross  
1 - 1,5 mm     >= 5 %       längs / along  
1 - 1,5 mm     >= 4 %       quer / cross  
1,5 - 2 mm     >= 6 %       längs / along  
1,5 - 2 mm     >= 5 %       quer / cross  
2 - 2,5 mm     >= 7 %       längs / along  
2 - 2,5 mm     >= 6 %       quer / cross  
2,5 - 3 mm     >= 8 %       längs / along  
2,5 - 3 mm     >= 7 %       quer / cross  

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