Metals -> Structural steel -> Ñryogenic structural steel Characteristics of the material 10KH14G14N4T ( 10H14G14N4T, 10Õ14Ã14Í4Ò ).
Material : 10KH14G14N4T ( 10H14G14N4T, 10Õ14Ã14Í4Ò ) Substitute: 20Õ13Í4Ã9, 12Õ18Í9Ò, 12Õ18Í10Ò, 08Õ18Í10Ò Classification : Ñryogenic structural steel
Chemical composition in % of the material 10KH14G14N4T ( 10H14G14N4T, 10Õ14Ã14Í4Ò ) . C Si Mn Ni S P Cr - max 0.1 max 0.8 13 - 15 2.8 - 4.5 max 0.02 max 0.035 13 - 15 5(Ñ - 0.02)-0.6 Ti, îñòàëüíîå Fe
Mechanical properties under Ò=20o Ñ of the material 10KH14G14N4T ( 10H14G14N4T, 10Õ14Ã14Í4Ò ) .
Assortment Dimension Direct. s â s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - Sheet 3 - 5 dihedral 700 300 25 Heating 1000 - 1050o C, water, Sheet 5 - 6 dihedral 650 300 35 1500 Heating 1050 - 1080o C, water, Bars 60 640 245 35 50 Guenching 1000 - 1080o C,Cooling air,
Physical properties of the material 10KH14G14N4T ( 10H14G14N4T, 10Õ14Ã14Í4Ò ) . 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 15 7800 100 1.89 16 17 200 1.81 16.7 18 300 1.7 17.5 21 400 1.64 18.4 24 500 1.59 19 30 600 1.61 19.5 36 700 20.1 43 800 20.6 51 900 21 T E 10- 5 a 10 6 l r C R 10 9
Technological properties of the material 10KH14G14N4T ( 10H14G14N4T, 10Õ14Ã14Í4Ò ) . Weldability: limited weldability. Flakes : not predisposed Temper brittleness: not predisposed
Specification :
Mechanical properties : s â - Tensile strength , [MPa] s T - Yield stress, [MPa] d 5 - 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
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