Database of Steel and Alloy (Marochnik)

  Home     Steel and Alloy     Search     Equivalent Grades     GOST Standards     Grading     Contacts  
   
YOU HERE:   Steel and Alloy   ->   Structural steel

Characteristics for grade     30KHGS   ( 30ХГС )

      Grade :     30KHGS   ( 30ХГС )
      Substitute:   40ХФА, 35ХМ, 40ХН, 35ХГСА
      Classification :   Alloy structurall steel
      Equivalent grades:   Go here
Grade   30KHGS   ( 30ХГС ):   supplier   Auremo   www.auremo.biz
Sale:   Russia +7 (812) 680-16-77 ,   Germany +49 (208) 205-83-073,     info [a] auremo.org



Chemical composition in % for grade   30KHGS   ( 30ХГС )
C Si Mn Ni S P Cr Cu
0.28 - 0.350.9 - 1.20.8 - 1.1max   0.3max   0.035max   0.0350.8 - 1.1max   0.3


Temperature of critical points for grade   30KHGS   ( 30ХГС ).
Ac1 = 760 ,      Ac3(Acm) = 830 ,       Ar3(Arcm) = 705 ,       Ar1 = 670 ,       Mn = 352


Mechanical properties under Т=20oС for grade   30KHGS   ( 30ХГС )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet annealed     500-750  14    
Bar, GOST 4543-71 Ø 25   1080 835 10 45440Guenching 880oC, oil, Drawing 540oC, water,
Steel 40   930 820 12 51690Guenching 880oC, oil, Drawing 600oC, water,
Steel 80   860 730 14 50780Guenching 880oC, oil, Drawing 600oC, water,


    Brinell hardness for     30KHGS   ( 30ХГС )   (annealing) ,       GOST 4543-71 HB 10 -1 = 229   MPa


Technological properties for grade   30KHGS   ( 30ХГС )
  Weldability: limited weldability.
 Flakes : predisposed
Temper brittleness: predisposed


Physical properties for grade   30KHGS   ( 30ХГС )
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m
20 1.94     7850   210
100 1.85 12 37 7830 493  
200 1.73 12.5 41 7800 504  
300 1.69 12.9 38 7760 512  
400 1.66 13.2 37 7730 533  
500 1.56 13.6 36 7700 554  
600   13.9 35 7670 584  
700     34   622  
800     32   693  
T E 10- 5 a 10 6 l r C R 10 9


Equivalent steels for grade     30KHGS   ( 30ХГС )
Warning! Indicated both exact and nearest equivalents.
BulgariaPolandCzechia
BDSPNCSN
30ChGS
30HGS
14331

Types of delivery of grade   30KHGS   ( 30ХГС )
B03 - Metal forming treatment. Forgings
В22 - Graded and shaped rolling
B23 - Sheets and Strips
В32 - Graded and shaped rolling
В62 - Steel pipes and connecting parts to them


Specification :
Mechanical properties :
sв - 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/(m·Grade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]

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

  30KHGS   ( 30ХГС ) - Alloy structurall steel: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

    ©   2003 - 2018         Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use.
Previous address of this website was splav.kharkov.com
Рейтинг@Mail.ru