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Description

18-15 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 18-15
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy 18-15
17-7 PH
17-10 P
17-14 CuMo
17-22-A
17-22-AS
17-22-AV
18-2Mn
18-3Mn
18-4Mn
18-9LW

Chemical composition(mass fraction)(wt.%) of the 18-15

C
Si
Mn
P
S
Cr Ni
0.18 3.70-4.30 2.00 0.020 0.020 17.0-18.50 14.00-15.50
Mo Al Cu Nb Ti V Ce
≤0.20   ≤0.50        
N Co Pb B Other    
             
             

Mechanical Properties of steel grade 18-15

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)
779 (≥) 949 (≥) 32 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade 18-15

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
11 - -     0.13 -  
421 837 - 23.3 143   -  
822 - 13 21.2   214 243

Heat Treatment of steel grade 18-15

Heat treated : 1257°C - 1423°C

Technological Curves of steel grade 18-15

Cross Reference Table (Equivalent Grade) of 18-15

Grade Standard Country Application
X2CrNiMo18-15-4 AFNOR France Austenite
X1CrNiSi18-15-4 AFNOR France Austenite
ISO X2CrNiMoN18-15-5 ISO standard thermal deformation of stainless steel
EN X1CrNiSi18-15-4 EN Euronorm Tool steel
EN X1CrNiSi18-15-4 EN Euronorm Stainless Steel
EN X1CrNiSi18-15-4 EN Euronorm Stainless Steel
EN X1CrNiSi18-15’4 EN Euronorm Stainless Steel
EN X2CrNiMo18-15-4 EN Euronorm Stainless Steel
EN X2CrNiMo18-15-4 EN Euronorm Stainless Steel
EN X2CrNiMo18-15-4 EN Euronorm Stainless Steel

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