AFNOR 1.4875

Grades | Stainless Steels | 1.4875

AFNOR 1.4875

PDF | Word | Print

1.4875 Application:Valve steels and alloys for internal combustion engines

Chemical composition(mass fraction)(wt.%) of the 1.4875
Elements Min.（≥） Max.（≤） Similar Remarks
C 0.50 0.60
Si - 0.25
Mn 7.00 10.00
P - 0.035
S - 0.030
Cr 19.50 21.50
Ni 1.50 2.75
Mo - -
N 0.20 0.40

Mechanical properties of grade 1.4875

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
169 (≥) 676 (≥) 11 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical properties of grade 1.4875

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
525 (≥) 958 (≥) 33 42 21 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		 - - -
718 728 152 - - -

1.4875 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