BS 820 A 16
PREMIUM 1.6587
AISI / SAE 4820

SPECIFICATIONS:

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Technical datasheet (PDF) Technical datasheet
RS RS
-round-
500 mm 1,000 mm
           
Steel Guide Information in the STEEL GUIDE
Alternatives in the STEEL GUIDE
       
   
Standard values to PREMIUM 1.4034 Standard values
Chemical designation: 18CrNiMo7-6
Working hardness: max. 60 HRC
hardness (deliv. cond.): max. 229 HB

Chemical composition

C Si Mn P S Cr Mo Ni
0,15 0 0,5 0 0 1,5 0,25 1,4
- - - - - - - -
0,21 0,4 0,9 0,025 0,035 1,8 0,35 1,7
   
Technical properties Technical properties
CrNiMo alloyed case-hardening steel for highly stressed components with high core strength and toughness. This steel is used for gear parts such as ring gears or drive pinions and gear wheels. The BS 820 A 16 is usually difficult to weld. Surface hardness according to case hardness: approx. 58-60 HRC.
   
Applications Applications
The Corrosion Resistant Steel BS 820 A 16 is suitable for the following applications: Shafts, gear parts, gears, bevel gears, driving pinion.
   

The Case Hardening Steel BS 820 A 16 is available as Round steel.

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