AFNOR 1.4521

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AFNOR 1.4521

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1.4521 Application:Ferritic

Chemical composition(mass fraction)(wt.%) of the 1.4521
C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Mo(％) Other(%)
Max 0.025 Max 1.00 Max 1.00 Max 0.040 Max 0.015 17.00-20.00 1.80-2.50 Ti 12 x (C+N)+0.15-0.80,N 0.030

Mechanical properties of grade 1.4521

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition HBW
988 (≥) 722 (≥) 13 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical properties of grade 1.4521

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm
813 (≥) 299 (≥) 41 34 33 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		 - - -
658 634 944 - - -

1.4521 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