Materials
Design.SEBIR Nr.GradeApplications (class)
Recommended heat treatment
Austensation and tempering temp.
Class 8.8 Class 9.8 Class 10.9 Class 12.9
Oil (Index H = 0,40)
Class 8.8 Class 9.8 Class 10.9 Class 12.9
Water (Index H = 0,2)
ALUMINIUM KILLED STEELS
1.0303 015 C4C   Steels not intended for heat treatment (class 3.6/4.6/4.8)  N/A  N/A N/A
 1.0213 011 C8C
 1.0214 056 C10C
 1.0234 005 C15C Medium low hardenability steels (class 5.6/5.8/6.8)   865-900º + 445-505ºC   
 1.0411 058 C20C
 1.0501 733 XC35  835-865º + 500-600ºC      
 1.1061 009 C45 RC Hardening steel     
 1.1192 010 C45 EC    
 BORON ALLOYED STEEL
1.5502 001 17B2 Hardening and tempering steels  860-890º + 450-500ºC
≤M6      
≤M8 ≤M3    
≤M10 ≤M10 ≤M5 ≤M3
≤M12 ≤M10 ≤M10 ≤M5
≤M8 ≤M3    
≤M16 ≤M14 ≤M12 ≤M10
≤M8      
≤M14 ≤M10    
≤M25 ≤M20 ≤M12 ≤M5
       
≤M14 ≤M10    
       
1.5508 004 22B2
1.5514 022 33B2 835-865º + 450-550ºC
1.5515 706 36B2
1.5525 306 20MnB4 860-890º + 450-550ºC
1.5537 309 36MnB4 835-865º + 450-550ºC
BORON-CHROMIUM ALLOYED STEEL
1.5522  307 22MnB4Cr Improved hardenability steels intended for hardering and tempering 860-890º + 450-550ºC
≤M12 ≤M10 ≤M3  
≤M12 ≤M10 ≤M10 ≤M5
≤M25 ≤M20 ≤M60  
            
1.5515  312 36MnB4Cr  835-865º + 450-550ºC
  BORON-CHROMIUM ALLOYED STEEL WITH 1% Cr CONTENT
 1.7076  102 32CrB4 hardering and tempering steels with high hardenability   835-865º + 500-600ºC  
≤ M12 ≤ M12 ≤ M12 ≤ M12
≤M12   ≤M12 ≤M12   ≤M12
 
1.7077 104 36CrB4 835-865º + 500-600ºC
    CHROMIUM AND CHROMIUM-MOLYBDENUM ALLOYED STEELS
 1.7034 703 37Cr4 Standard hardenability and thougness steels   835-865º + 500-600ºC   
≤M18 ≤M15 ≤M12 ≤M10
≤M20 ≤M18 ≤M15 ≤M14
≤M25 ≤M22 ≤M20 ≤M14
≤M6      
≤M18 ≤M16 ≤M15 ≤M10
≤M25 ≤M20 ≤M18 ≤M12
≤M30 ≤M25 ≤M20 ≤M18
≤M35 ≤M30 ≤M25 ≤M22
        
        
 1.7035 012 41Cr4
 1.7039 019 41CrS4
 1.7243 402 18CrMo4 High standard hardenability and thougness steels   865-900º + 445-505ºC 
 1.7220 003 34CrMo4 835-865º + 500-600ºC
1.7202 705 37CrMo4
1.7225 008 42CrMo4
1.7227 059 42CrMoS4
STEELS INTENDED FOR ANOTHER USES
 1.7131 054 16MnCr5 Carburizing                  
 1.7711 401 40CrMoV4-6 High temperature chq  
 1.3505 742 100Cr6 Ball bearings  
 1.0718 034 F210E Free cutting  
 1.0403 407 C15Pb Free cutting  
 1.0503 717 C42C Nails  
1.0613 718 C62C Nails  
Processes

DIFERENTES PROCESOS TÍPICOS

Euro norma Recocido Globular Trefilado desbase Recocido globular coating




Trefilado final
+U+C       K
+AC+U+C     G K
+U+C+AC+LC   K G K
+AC+U+C+AC+LC G K G K
Coating
Our possibilities of covering are:
- Phosphate + Soap
- Phosphate + Salts
- Phosphate + polymer
- Polymer without Phosphate
- Thermo-covering
- Semi-bright
Profiles
Profiles
Triangular
Profiles
Half round wire
Profiles
Square
Profiles
Ovoid