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Metals -> Structural steel -> High quality structural carbon steel

Characteristics of the material 15kp   ( 15kp,   15 ).

Material : 15kp   ( 15kp,   15 )
Substitute: 10, 20
Classification : High quality structural carbon steel


Chemical composition in % of the material 15kp   ( 15kp,   15 ) .
C Si Mn Ni S P Cr Cu As
0.12 - 0.19max   0.070.25 - 0.5max   0.25max   0.04max   0.035max   0.25max   0.25max   0.08


Temperature of critical points of the grade 15kp   ( 15kp,   15 ).
Ac1 = 735 ,      Ac3(Acm) = 863 ,       Ar3(Arcm) = 840 ,       Ar1 = 685


Mechanical properties under =20o of the material 15kp   ( 15kp,   15 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Steel cold-drawn     392   8 50  


    Brinell hardness of the material   15kp   ( 15kp,   15 )   (hot-rolled, annealing) ,       HB 10 -1= 143   MPa
    Brinell hardness of the material   15kp   ( 15kp,   15 )   (cold-drawn, cold-worked) ,       HB 10 -1= 187   MPa
    Brinell hardness of the material   15kp   ( 15kp,   15 )   (annealing) ,       HB 10 -1= 149   MPa


Physical properties of the material 15kp   ( 15kp,   15 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
20 2.01     7850    
100 1.92 12.4 53 7827 465 233
200 1.85 13.2 53 7794 486 296
300 1.72 13.9 49 7759 515 387
400 1.56 14.4 46 7724 532 487
500   14.8 43 7687 565 607
600   15.1 39 7648 586 753
700   15.3 36 7611 620 904
800   14.1 32 7599 691 1092
900   13.2 30 7584 708 1140
1000   13.3        
T E 10- 5 a 10 6 l r C R 10 9


Technological properties of the material 15kp   ( 15kp,   15 ) .
  Weldability: without limitations.
 Flakes : not predisposed
Temper brittleness: not predisposed



Specification :
Mechanical properties :
s - Tensile strength , [MPa]
sT - Yield stress, [MPa]
d5 - Specific elongation at fracture , [ % ]
y - Reduction of area , [ % ]
KCU - Impact strength , [ kJ / m2]
HB - Brinell hardness , [MPa]

Physical properties :
T - Test temperature , [Grade]
E - Young modulus , [MPa]
a - Coefficient of linear expansion (range 20o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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