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ISO 19a

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ISO X2CrNiMo17-12-3 ISO X2CrNiMo19-14-4
#19a

Description

ISO ISO ISO 19a ISO standard thermal deformation of stainless steel and ISO 19a Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ISO 19a
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ISO 19a ISO ISO ISO standard thermal deformation of stainless steel
ISO X3CrNiCu18-9-4
ISO X6CrNiTi18-10
ISO 15
ISO X7CrNiTi18-10
ISO X6CrNiNb18-10
ISO 16
ISO X7CrNiNb18-10
ISO X2CrNiMo17-12-2
ISO 19
ISO X2CrNiMo17-12-3

Chemical composition(mass fraction)(wt.%) of the ISO 19a

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) N(%)
Max 0.030 Max 1.00 Max 2.00 Max 0.045 Max 0.030 16.0-18.5 10.5-13.0 2.00-3.00 Max 0.11

Mechanical Properties of steel grade ISO 19a

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)
264 (≥) 694 (≥) 23 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade ISO 19a

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
24 - -     0.11 -  
421 683 - 32.3 422   -  
764 - 33 43.2   344 144

Heat Treatment of steel grade ISO 19a

Heat treated : 1244°C - 1996°C

Technological Curves of steel grade ISO 19a

Cross Reference Table (Equivalent Grade) of ISO 19a

Grade Standard Country Application
ISO 19a ISO ISO ISO standard thermal deformation of stainless steel
ISO 19aN ISO ISO ISO standard thermal deformation of stainless steel
SWRCH19A CNS China China Taiwan Structural steel
STKM19A CNS China China Taiwan Structural steel
ISO X2CrNiMo17-12-3 ISO X2CrNiMo19-14-4
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