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EN 1.4980 Details

1.4980 Application:Creep resisting steels, nickel and cobalt alloys

Category Type Grade Microstructure Designations
Grades Superalloys 1.4980 Austenite European - EN , EN 10302: 2008 - Creep resisting steels, nickel and cobalt alloys
EN 10269: 1999 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
EN 10088-1: 2005 - Stainless steels. List of stainless steels

Chemical composition(wt.%) of 1.4980 grade: EN 10302: 2008

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Cr 13.50 16.00
Ni 24.00 27.00
Mo 1.00 1.50
Ti 1.75 2.30
V 0.10 0.50
B 0.001 0.010
Mn 1.00 2.00
Fe - Bal
Al - 0.40
Si - 1.00
P - 0.030
S - 0.020
Note: a cold pull rods, round cakes and ring blank standard (Ti) 1.80% ~ 2.35%.
2 (B) of hot-rolled and cold-rolled sheet standard 0.003% ~ 0.010%, 2.00% or less (Mn), (P) acuities were 0.020%, 0.015% or less (S).
3 (Al) of cold drawn wire standard acuities were 0.35%, 1.75% ~ 2.35% (Ti) and (Si) 0.40% ~ 1.00%, 0.020% or less (P), (S) of 0.015% or less.
Use the wire, cold heading standards (Ti) 1.75% ~ 2.35%, 0.40% ~ 1.00% (Si), (P) acuities were 0.025%, 0.020% or less (S).
5 hot rolled and forged bar standard (Cu) of 0.25% or less.
1.5), heat treatment system is the standard heat treatment system are shown in table 1-3;Alloy is 900 ℃ heat treatment system plus or minus 10 ℃, 1 to 2 h, oil cooled to + 750 ℃ + 10 ℃, 16 h, air cooling.

Mechanical properties of grade 1.4980 EN 10302: 2008

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
311 (≥) 848 (≥) 21 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical properties of grade 1.4980 EN 10302: 2008

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
217 (≥) 673 (≥) 34 24 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
829 612 643

1.4980 - Form of Supply

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

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
1.4980 EN European
Creep resisting steels, nickel and cobalt alloys
X6NiCrTiMoVB25-15-2 EN European
Creep resisting steels, nickel and cobalt alloys
IncoloyA-286 ASTM USA
Creep resisting steels, nickel and cobalt alloys
X6NiCrTiMoVB25-15-2 ISO International
Wrought steels for use at elevated temperatures in engines
Z5NCTDV26-15B AFNOR France
Iron and steel. Stainless steel for high temperature application
Z6NCTDV25-15B AFNOR France
Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod

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