GH4169 is a precipitation-strengthened nickel-based superalloy, which has good comprehensive properties in the temperature range of -253 ℃ ~ 650℃. The yield strength below 650℃ ranks the first in deformed superalloy, and has good fatigue resistance, radiation resistance, oxidation resistance, corrosion resistance, as well as good machining performance and welding performance.

CHEMICAL COMPOSITION%OF THE LADLE ANALYSIS OF GRADEGH4169

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	Mo(％)	Nb(%)	Al(%)	Ti(%)
≤0.03	0.35	0.35	0.015	0.015	17.0-21.0	50.0-55.0	2.80-3.30	4.75-5.50	0.20-0.60	0.65-1.15

GH4169

MECHANICAL PROPERTIES OF GRADEGH4169

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)
868(≥)	964(≥)	11	33	43	Solution and Aging,Annealing,Ausaging,Q+T,etc	333

PHYSICAL PROPERTIES OF GRADE GH4169

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
122(≥)	561(≥)	24	13	43	Solution and Aging,Annealing,Ausaging,Q+T,etc	311
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0)N/mm2	Creep rupture strength (10000h) (Rp1,0)N/mm2
624	761	346

GH4169 RANGE OF PRODUCTS


Product type	Products	Dimension	Processes	Deliver Status
Plates/Sheets	Plates/Sheets	0.08-200mm(T)WL	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