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ISO 20

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ISO X5CrNiMo17-12-2 ISO X5CrNiMo17-12-3
#20

Description

ISO ISO ISO 20 ISO standard thermal deformation of stainless steel and ISO 20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO 20
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO 20 ISO ISO ISO standard thermal deformation of stainless steel
ISO 19a
ISO X2CrNiMo19-14-4
ISO 24
ISO X2CrNiMoN17-11-2
ISO 19N
ISO X2CrNiMoN17-11-3
ISO 19aN
ISO X2CrNiMoN18-12-4
ISO X2CrNiMoN18-15-5
ISO X5CrNiMo17-12-2

Chemical composition(mass fraction)(wt.%) of the ISO 20

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%)
Max 0.070 Max 1.00 Max 2.00 Max 0.045 Max 0.030 16.0-18.0 10.0-13.0 2.00-3.00 Max 0.11

Mechanical Properties of steel grade ISO 20

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
275 (≥) 942 (≥) 44 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade ISO 20

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.34 -  
273 121 - 14.3 413   -  
827 - 23 12.2   432 414

Heat Treatment of steel grade ISO 20

Heat treated : 1286°C - 1652°C

Technological Curves of steel grade ISO 20

Cross Reference Table (Equivalent Grade) of ISO 20

Grade Standard Country Application
UNS G10120 UNS USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
UNS G10200 UNS USA General use carbon steel bar
T20811 UNS USA Alloy tool steel
T20810 UNS USA Alloy tool steel
T20812 UNS USA Alloy tool steel
H13 ASTM USA Alloy tool steel
T20813 UNS USA Alloy tool steel
T20814 UNS USA Alloy tool steel
T20819 UNS USA Alloy tool steel
T20821 UNS USA Alloy tool steel
T20822 UNS USA Alloy tool steel
H23 ASTM USA Alloy tool steel
T20823 UNS USA Alloy tool steel
T20824 UNS USA Alloy tool steel
T20825 UNS USA Alloy tool steel
T20826 UNS USA Alloy tool steel
T20841 UNS USA Alloy tool steel
T20842 UNS USA Alloy tool steel
T20843 UNS USA Alloy tool steel
ISO X5CrNiMo17-12-2 ISO X5CrNiMo17-12-3
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