DIN Aluchrom 4 18 YHf

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DIN Aluchrom 4 18 YHf

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Aluchrom 4 18 YHf Application:Aluchrom 4 18 YHf

Chemical composition(mass fraction)(wt.%) of the Aluchrom 4 18 YHf
Elements Min.（≥） Max.（≤） Similar Remarks
Ni - 0.5000
Cr 17.0000 19.0000
C - 0.0800
S - 0.0300
Mn - 0.5000
Si - 0.6000
Al 3.5000 5.0000
Y - 0.1500
Zr - 0.1500
Hf - 0.1500
P - 0.0400
Cu - 0.5000

Mechanical properties of grade Aluchrom 4 18 YHf

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
586 (≥) 124 (≥) 12 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical properties of grade Aluchrom 4 18 YHf

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
622 (≥) 986 (≥) 32 14 34 Solution and Aging, Annealing, Ausaging, Q+T,etc
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2		 - - -
243 393 616 - - -

Aluchrom 4 18 YHf Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED