Location » Home » Grades > Stainless Steels > GH4049

GB GH4049 Details

Tags

GH4049 Application:Classification and designation for superalloys and high temperature intermetallic materials

Category Type Grade Designations
Grades Stainless Steels GH4049 China - GB , GB/T 14992 (2005) - Classification and designation for superalloys and high temperature intermetallic materials
GB/T 14993 (1994) - Hot-rolled heat-resisting superalloy bars for rotating parts

Chemical composition(wt.%) of GH4049 grade: GB/T 14992 (2005)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.10
Cr 9.50 11.0
Mo 4.50 5.50
Ni - Remainder
W 5.00 6.00
Al 3.70 4.40
Ti 1.40 1.90
Fe - 1.5
Si - 0.50
Mn - 0.50
P - 0.010
S - 0.010
B - 0.015
Ce - 0.02
V 0.20 0.50
GH4049

Mechanical properties of grade GH4049 GB/T 14992 (2005)

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)
172 (≥) 314 (≥) 13 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade GH4049 GB/T 14992 (2005)

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
287 (≥) 749 (≥) 11 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 223
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
543 554 494

GH4049 - 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
GH4049 GB China
Classification and designation for superalloys and high temperature intermetallic materials

Enquiry