Material 1.1269

Spring steel

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1.1269

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
C85S Ck85 AISI 1086 UNS G10860 C85 SK85-CSP request

Material Category: Spring steel

Applications

As cold-rolled steel strips for springs with high dimensional accuracy and surface finish

Heat Treatment

Austenitizing 800 - 830 C°

Chemical Composition

C % Si % Mn % P % S % Cr % Mo % Ni %
0,80 - 0,90 0,15 - 0,35 0,40 - 0,70 max 0,025 max 0,025 max 0,40 max 0,10 max 0,40

 

Product Specifications

DIN EN 10132-4

Mechanical Properties

weichgeglüht  Dehngrenze 0,2 %  Zugfestigkeit Rm Bruchdehnung (A 80 mm) Härte HV Härte HRB
0,3 - 3,0 mm <= 535 N/mm² <= 670 N/mm² >= 15 %  <= 210 <= 94 HRB
gehärtet Härte (HV) Härte (HRC)
0,3 - 3,0 mm >=720 HV >= 61 HRC
vergütet  Zugfestigkeit (Re) Härte (HV) Härte (HRC)
0,3 - 3,0 mm 1200 - 2000 N/mm²    
0,3 - 0,5 mm   520 - 570 HV  
0,5 - 0,75 mm   500 - 550 HV  
0,75 - 1,0 mm   480 - 530 HV  
1,0 - 1,5 mm   465 - 515 HV  
1,5 - 2,0 mm   440 - 490 HV  
0,3 - 3,0 mm   370 - 600 HV  
2 - 3 mm   435 - 485 HV  
      38,5 - 55 HRC
kaltgewalzt  Zugfestigkeit (Rm) Härte (HV)
0,3 - 3,0 mm <= 1190 N/mm² <= 325 HV

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