PREMIUM 1.7147
AISI/SAE 4820

SPECIFICATIONS:

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Technical datasheet (PDF) Technical datasheet
 PFS/BA PFS / BA
-flat-
   1.000 mm
           
Steel Guide Information in the STEEL GUIDE
Alternatives in the STEEL GUIDE		 €co-Präz® 500 €co-Präz
-flat-
 500 mm  
           
    RS RS
-round-
 500 mm 1.000 mm
   
Standard values to PREMIUM 1.7147 Standard values
Chemical designation: 20MnCr5 (EC100)
Working hardness: 58-60 HRC
hardness (deliv. cond.): max. 217 HB

Chemical composition

CSiMnPSCr
0,17
-
0,22		 0
-
0,4		 1,1
-
1,4		 0
-
0,025		 0
-
0,035		 1
-
1,3
   
Technical properties Technical properties
Cold work and plastic mould steel (group of case hardening steel) with the objective of high surface hardness with core toughness. Excellent machinability, good cold hobbing and polishing properties. The tensile strength is a result of the combination of hardened surface and tough core. Working hardness (surface): 58-60 HRC.
   
Applications Applications
The Case Hardening Steel AISI/SAE 4820 is suitable for the following applications: Machine construction, jig construction, plant engineering, apparatus engineering, plastic processing, plastic moulds, synthetic resin moulds, base plates, bending bars, guide columns, gear parts, joint parts, shafts, gears, rods, bevel gears, crown wheels, piston pins, camshafts, bolts, pins, cardan joints.
   

The Case Hardening Steel AISI/SAE 4820 is available as Precision flat steel with machining allowance, €coPräz® and as Round steel.

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