GH3128/GH128高温合金机械性能

CHEMICAL COMPOSITION%OF THE LADLE ANALYSIS OF GRADEGH3128

C(％)Si(％)Mn(％)P(％)S(％)Cr(％)Ni(％)Mo(％)W(%)Al(%)Ti(%)Other(%)

≤0.050.80.50.0130.01319.0-22.0Balance7.50-9.007.50-9.000.40-0.800.40-0.80B≤0.005,Ce≤0.05,Zr≤0.06

GH3128

MECHANICAL PROPERTIES OF GRADEGH3128

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 ConditionBrinell hardness(HBW)

984(≥)467(≥)323433Solution and Aging,Annealing,Ausaging,Q+T,etc442

PHYSICAL PROPERTIES OF GRADE GH3128

PropertyDensity
kg/dm3Temperature T
°C/FSpecific heat
J/kgKThermal conductivity
W/mKElectric resistance
µΩ·cmModulus of elasticity
kN/mm2Expansion rate

184(≥)928(≥)144342Solution and Aging,Annealing,Ausaging,Q+T,etc334

Temp.
°C/°FCreep strain limit
(10000h)
(Rp1,0)N/mm2Creep rupture strength
(10000h)
(Rp1,0)N/mm2



 

599192727



 

GH3128 RANGE OF PRODUCTS

Product typeProductsDimensionProcessesDeliver Status

Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rollingAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting

Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,CastBlack,Rough Turning,Shot Blasting,

Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-RolledAnnealed,Solution and Aging,Q+T,ACID-WASHED,Shot Blasting

Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,WeldedAnnealed,Solution and Aging,Q+T,ACID-WASHED

Equivalent Grade

1GH3128 2GH3128

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