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High Temperature Alloy GH3030 , GB/T 15062 Ni80Cr20 Seamless Nickel Alloy Tube

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High Temperature Alloy GH3030 , GB/T 15062 Ni80Cr20 Seamless Nickel Alloy Tube

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Brand Name :	YUHONG
Model Number :	GB/T15062 GH3030 Seamless Nickel Alloy Tube
Certification :	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Payment Terms :	L/C,T/T
Delivery Time :	7 DAYS

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High Temperature Alloy GH3030 , GB/T 15062 Ni80Cr20 Seamless Nickel Alloy Tube

GB/T15062 GH3030 / Ni80Cr20 Nickel Alloy Seamless Tube for High Temperature

The high quality China GB GH3030 material, as well as GB GB/T 14992 (2005) , GB GB/T 14994 (2008) , GB GB/T 14995 (2010) , GB GB/T 14996 (2010) , GB GB/T 14998 (1994) , GB GB/T 15062 (2008) ,Classification and designation for superalloys and high temperature intermetallic materials.

GH3030 solid solution reinforced high temperature alloy is an early development of 80Ni-20Cr solid solution reinforced high temperature alloy with simple chemical composition, satisfactory thermal strength and high plasticity below 800°C, and good resistance to oxidation, thermal fatigue, cold stamping and welding process performance.

The alloy is single-phase austenite after solid solution treatment and has a stable organisation during use. The main product is cold rolled sheet, but it can also be supplied in deformed products such as bars, rings, wires and tubes. It is mainly used for turbine engine combustion chamber components working below 800°C and other high temperature components requiring oxidation resistance below 1100°C but bearing little load. GH3030 has strong hot working and cold working properties and is used for making various chemical equipment and supporting accessories.

GB/T 15062 GH3030 / Ni80Cr20 Nickel Alloy Tube Equivalent Material

Standard	GB/T 15062
Material	GH3030 (GH 30)
Equivalent Material	ЗИ435,XH78T

GB/T 15062 GH3030 / Ni80Cr20 Nickel Alloy Tube Chemistry Composition

C	Cr	Ni	Ti	Al	Fe	Mn	Si	P	S
≤0.12	19.0～22.0	Balance	0.15～0.35	≤0.15	≤1.5	≤0.7	≤0.8	≤0.03	≤0.02

GB/T 15062 GH3030 / Ni80Cr20 Nickel Alloy Tube Mechanical Properties

Yield Rp0.2, Mpa	Tensile Rm, MPa	Impact KV/Ku, J	Elongation, A%	Reduction in cross section on fracture,Z%	As-Heat-Treated Condition	Brinell hardness, HBW
963 (≥)	953 (≥)	33	23	33	Solution and Aging, Annealing, Ausaging, Q +T, etc	424

GB/T 15062 GH3030 / Ni80Cr20 Nickel Alloy Tube Physical Properties

Temperature (℃)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(℃) between 20(℃) and	Thermal conductivity (W/m·℃)	Specific thermal capacity (J/kg·℃)	Specific electrical resistivity (Ωmm²/m)	Density (kg/dm³)	Poisson's coefficient
21	-	-			0.23	-
984	459	-	13.3	311		-
996	-	34	44.2			223	123

Process performance
1. The alloy has good malleability, forging heating temperature 1180℃, final forging 900℃.
2. The average size of the grain size of the alloy is closely related to the degree of deformation of the forging, final forging temperature.
3. After heat treatment, parts surface oxidation skin can be blown sand or acid cleaning method to delete.

Application

Aerospace Industry:
- Jet Engine Components: Combustion chambers, exhaust systems, and afterburner parts.
- Gas Turbine Tubing: High-temperature sections requiring resistance to thermal fatigue.
Power Generation:
- Gas Turbine Systems: Tubes for hot gas paths and heat exchangers.
- Nuclear Reactors: Heat transfer tubing in high-temperature coolant systems.
Industrial Heating and Processing:
- Furnace Components: Radiant tubes, muffles, and heat treatment fixtures.
- Chemical Processing: Tubing for high-temperature reactors and corrosive environments.
Petrochemical Industry:
- Cracking Tubes: Used in ethylene pyrolysis furnaces (resistance to carburization and oxidation).
Marine and Energy Systems:
- Exhaust Systems: For marine engines exposed to saltwater and high heat.
- Waste Heat Recovery Systems: Tubing in boilers and heat exchangers.

High Temperature Alloy GH3030 , GB/T 15062 Ni80Cr20 Seamless Nickel Alloy Tube

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