DIN 38Si7
2015-09-24 10:20:40   Source:www.hspecialsteel.com   Criticism:0 CTR:

This is spring and bearing 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 : DIN 38Si7
Material No. W-Nr. : 1.5023
     
CHEMICAL COMPOSITION    
C(%) : 0.35~0.42
Si(%) : 1.50~1.80
Mn(%) : 0.50~0.80
P(%)≤ : 0.03
S(%)≤ : 0.03
Cr(%) :
Mo(%) :
Other(%) : — 
     
HARDNESS AND HEAT TREATMENT 
Hot Working/℃ : 1100~850
Spring Thermal Forming/℃ : 900~820
Annealing/℃ : 640~680
Normalizing/℃ : 830~860
Quench/℃ : 830~860Water
Temper/℃ : 430~500
Annealing Hardness ≤HBS : 217
     
MECHANICAL PROPERTIES  
Flat Steel Size/mm : 10
Round Steel Size/mm : 12
Tensile Strength|σb/MPa : 1180~1370
Yield Strength|σs≥/MPa : 1030
Extensibility|δ5≥(%) : 6
Reduction of Area|ψ≥(%) :
Ballistic|AKV①/J≥ :
     

Remark:        
①, The test sample is according to DVM-V.    
②, It is mechanical properties after hardening and tempering in this table.

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