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DIN-EN 18CrNi5-4
2015-09-22 11:57:04   Source:www.hspecialsteel.com   Criticism:0 CTR:

This steel is carburized surface hardened steel of Structural in Germany, we can produce plate, flat, belt, sheet, wire coil, square bar, round rod, pipe,forged valve body, forged rings, forged multidiameter shafts etc for this steel
Steel Grade ① : DIN-EN 18CrNi5-4
Material No. W-Nr : 1.581
     
CHEMICAL COMPOSITION    
C(%) : 0.16~0.21
Si(%) : ≤0.40
Mn(%) : 0.60~0.90
P(%)≤ : 0.035
S(%)≤ : 0.035
Cr(%) : 0.90~1.20
Mo(%) :
Ni(%) : 1.20~1.50
Other(%) :
     
HARDNESS AND HEAT TREATMENT 
Hot Working/℃ : 1150~850
Annealing/℃ : 610~650
Carburize/℃ : 880~980
Inside Quench/℃ : 840~880
Surface Quench/℃ : 780~820 Oil
Temper/℃ : 150~200
Annealing hardness HBS≤ : 223

INSIDE MECHANICAL PROPERTIES④        
Size/mm : φ11 φ30 φ63
Tensile Strength|σb/MPa : ≥1200 ≥1100 ≥900
Yield Strength|σs≥/MPa :
Extensibility|δ5(%)≥ :
Reduction of Area|ψ(%)≥ :
Ballistic|αkv/J③ :
         
Remark:        
①, This steel grade is according to DIN17210(1986) and revised by DIN-EN10084(1998).
②, We can supply other steel also which sulphur composition is 0.020%~0.040%, and it will be added "S" at the back of steel grade.
③, The test sample is according to DVM-V.    
④, This is mechanical properties after surface harden.  

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