Database of Steel and Alloy (Marochnik)

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Metals -> Structural steel -> Low alloy structural steel for welding construct

Characteristics of the material 18G2ÀFps   ( 18G2ÀFps,   18Ã2ÀÔïñ ).

Material : 18G2ÀFps   ( 18G2ÀFps,   18Ã2ÀÔïñ )
Substitute: 16Ã2ÀÔ, 10ÕÑÍÄ, 15ÕÑÍÄ
Classification : Low alloy structural steel for welding construct


Chemical composition in % of the material 18G2ÀFps   ( 18G2ÀFps,   18Ã2ÀÔïñ ) .
C Si Mn Ni S P Cr V N Cu As
0.14 - 0.22max   0.171.3 - 1.7max   0.3max   0.04max   0.035max   0.30.08 - 0.150.015 - 0.03max   0.3max   0.08


Temperature of critical points of the grade 18G2ÀFps   ( 18G2ÀFps,   18Ã2ÀÔïñ ).
Ac1 = 720 ,      Ac3(Acm) = 880 ,       Ar3(Arcm) = 780 ,       Ar1 = 620


Mechanical properties under Ò=20oÑ of the material 18G2ÀFps   ( 18G2ÀFps,   18Ã2ÀÔïñ ) .
Assortment Dimension Direct. sâ sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Rolled stock 4   600   19    
Sheet 5 - 9   600 450 19    


Technological properties of the material 18G2ÀFps   ( 18G2ÀFps,   18Ã2ÀÔïñ ) .
  Weldability: without limitations.



Specification :
Mechanical properties :
sâ - 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]

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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