GH4033|Kaixin Alloy Materials Co., Ltd.-specializes in high-temperature alloys-corrosion-resistant alloys-expansion alloys-pure nickel alloys and other strips-wires-rods

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Danyang Kaixin Alloy Material Co., Ltd.

GH4033

Product properties:

Brand: KX-Alloy

Similar grades: GH4033，ЭП437БГ,ХН77ТЮР

Certification certificate: ISO9001:2015

Place of Origin: Danyang, Jiangsu, China

Product Description

Alloy Category: High Temperature Alloy

Substrate shape：wire/strip/bar/pipe/plate

Alloy series: nickel-chromium alloy

Implementation standards：ASTM

Application areas：aerospace, petrochemicals, energy

Product description and application

GH4033 is a Ni-Cr-based precipitation hardening deformed high-temperature alloy. Aluminum and titanium elements are added to form a precipitation strengthening phase. The service temperature is less than 700°C. The alloy has sufficient high-temperature strength at 700℃~750℃ and good oxidation resistance below 900℃. The alloy has good cold and hot working properties. Suitable for manufacturing turbine blades operating below 750℃ and turbine discs operating below 700℃ and other parts. The main products include hot-rolled and forged bars, cold-drawn bars, cold-rolled plates, cold-drawn wires, forged round cakes, turbine working blades and disc (ring) parts, etc.

GH4033 has been used to make aero-engine turbine blades, turbine disks and other high-temperature load-bearing parts.

GH4033 has a greater tendency to form uneven grains and coarse grains during hot rolling and forging, and it is easy to produce coarse grain waste. In addition, the production process should be strictly controlled to avoid the decrease in tensile plasticity at 700°C.

GH4033Composition content

Ni：71.9%~75.8%

Cr：19%~22%

Ti：2.4%~2.8%

Fe≤1.0%

Al：0.60%~1.00%

Si≤0.65%

Mn≤0.40%

C:0.03%~0.08%

Cu≤0.07%

Ce≤0.02%

P≤0.015%

B≤0.01%

S≤0.007%

Sb≤0.0025%

As≤0.0025%

Sn≤0.0012%

Pb≤0.001%

Bi≤0.001%

Vacuum induction furnace

Electroslag remelting

Product physical properties

Density

ρ=8.20 g/cm³

Mechanical properties

Standard number	Breed/mm		Tensile property					Room temperature performance		Endurance performance
			θ/℃	σ_b/MPa	σ_ρ0.2/MPa	δ₅/%	Ψ/%	HBS	A_KU/J	θ/℃	σ/MPa	t/h
			θ/℃	≥				HBS	≥	θ/℃	σ/MPa	≥
GJB 1953A GB/T 14993	Hot rolled rod for aircraft rotating parts		700	685	-	15	20	321~255	-	700	430 （410）	60 （80）
HB 5198	Hot rolled rod for aircraft rotating parts		700	735	-	15	20	321~255	-	700	430 （432）	40 （60）
GJB 3165A	Hot rolled and forged rods for aviation bearing parts	d≥50	20	880	590	13	16	321~255	23.5	750	345 （295）	50 （100）
GJB 3165A	Hot rolled and forged rods for aviation bearing parts	d＜50 Rods and flat materials	700	685	-	15	20	311~255	-	700	430 （412）	60 （80）
YB/T 5245	Hot-rolled and forged rods for ordinary bearing parts	＞d55	20	880	590	13	16	321~255	-	750	295	100
YB/T 5245	Hot-rolled and forged rods for ordinary bearing parts	＜d20 Rods and flat materials	700	685	-	15	20	311~255	-	700	430 （412）	60 （80）

Standard number	breed/mm	Tensile property					Room temperature performance		Endurance performance
		θ/℃	σ_b/MPa	σ_ρ0.2/MPa	δ₅/%	Ψ/%	HBS	A_KU/J	θ/℃	σ_b/MPa	t/h
			≥					≥			≥
GB/T 14997 GB/T 14998 GJB 3020A GJB 3782A	Forged round cake Blank of ring parts	20	855 （805）	590	13 （10）	16 （13）	321~255	23.5	750	295 （345）	100 （50）
GJB 5301	Ring member	20	805	590	10	13	321~255	23.5	750	295	100
										345	50
QJ/DT01.63000	Cold-rolled sheet	20	885	-	13	-	-	-	750	324	23
		700	685	-	13	-	-	-
①d≥50mm bars are treated by system I; d < 50mm bars are treated with system II. ②d > 55mm bars are treated by system I; d < 20mm bars and flat materials are treated with system II. ③ When the durability is not qualified in the initial test, the test is retested according to the indicators in brackets, and the test is not doubled. ④ If the performance is unqualified due to improper forging process, its room temperature tensile property should meet the requirements of the indicators in brackets, and the rest of the performance is the same as the requirements of the melting material.
Note: All varieties of test samples are subjected to standard heat treatment.