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En Series
En Series
Bohler Vew Chemical Abalysis% Heat Tratment Corresponding Specifications
Typical Application
   C%   Si%   Mn%  Cr% Mo% W% Hardening Temperature Quenching Medium Tempering Temperature Brinell Rock-well Hardness Japan Jis Aisi  
EN-1A 0.07
To
0.15
0.10 0.80 To1.00 S P - - - - - -  
Application

EN-1A

Auto Parts, Tools & Production Machine
 0.20
TO
0.30 
0.70 MAX
En-8 0.35
TO
0.45
0.05
TO
0.30
0.60
TO
1.00
S P - 750-900 OIL 150-200 -    
Application

EN-8

Components Of small Cross Section,requiring low tensile strength,as well as heavy forging in the normalised condition for automative general engineering such as axlles,clutch,shafts,presses & Punches parts,piston rods,&gear rods
0.06 MAX 0.06 MAX
En-9 0.50
TO
0.60
0.05
TO
0.30
05.
TO
0.80
- - - 85-900 OIL 200-250 55-60    
Application

EN-9

Bolts,M/c tool Axial shaft
En-19
(V 320)
0.35
TO
0.45
0.10
TO
0.30
0.50
TO
0.80
0.90
TO
1.40
0.20
TO
0.40
- 99-950 OIL 200-225 45-55 SCM 4 4140
Application

EN-19(V 320)

Compoents of medium & Large corss section,requiring high tensile strength & toughness for automatic & engineering and gear & engine construction such as craneshafts steering knocking connecting
En-24
(V 130)
0.35
TO
0.45
0.10
TO
0.35
0.45
TO
0.70
0.90
TO
1.40
0.20
TO
0.35
NI 830-860 OIL 540-680 45-55 SNCM 8 4340
Application

EN-24 (V 130)

Highly stressed components of large cross section for aircaft,automotive & general enginery application  such as propeller shafts connecting roads gear shafts craneshafts & landing gear components,heavy forging,such as Rotar shafts & discs
130 to 1.8
EN-31
R-100
0.90
TO
1.20
0.10
TO
0.35
0.30
TO
0.75
1.00
TO
1.60
- - 820-860 OIL 180-225 59-65    
Application

EN-31 R 100

For roller bearing components such as baks,cylinderical,conical & needie rollers
EN-36B
E-200
0.12
TO
0.18
0.10
TO
0.35
0.30
TO
0.60
0.60
TO
1.10
- NI 780-860 OIL 170-210 61-63 SNC 22 3415
Application

EN-36B E-200

Components with large cross section requiring high toughnaess & score strenght such as gears,crane shafts shafts & heavy duty gearshafts in aircrafts & truck construction & mechanical engineering
3.0
TO 3.75
EN-42 0.70
TO
0.85
0.10
TO
0.40
0.55
TO
0.75
- - - 600-700 DIRECT HARDENING - 40-45    
Application

EN-24

Special gear case hardening tensile tools
EN-44 0.90
TO
1.20
0.3 0.45
TO
0.70
- - - 650-750 OIL 150 45-50    
Application

EN-44

Spring action parts
EN-45
F-110
0.50
TO
0.60
1.5
TO
2.0
0.70
TO
1.00
- - - 830-860 OIL 470-520 50-55   9255
Application

EN-45 D-110

Leat & truncated conical springs for automate & general engineering
EN-351 0.10
TO
0.20
0.35 0.60
TO
1.00
0.40
TO
0.80
0.08
TO
0.10
NI 850-860 OIL 175-200 62-64    
Application

EN-351

m/c spring parts
0.60 TO 1.00
EN-353 0.10
TO
0.20
0.35 0.50
TO
1.00
0.75
TO
1.25
0.08
TO
0.15
NI 840-870 OIL 150-200 62-64    
Application

EN-353

m/c components
1.00 TO 1.50