GH3030 Alloy Thin-walled Thick-walled Tube

GH3030 thin-walled tube is a high-performance metal tube designed to withstand harsh environments such as high temperature, high pressure, and strong corrosion. Utilizing advanced manufacturing processes, it ensures the integrity and uniformity of the tube, eliminates weld joints, and offers higher strength and reliability.

 

GH3030 thin-walled tube employs a nickel core structure, with nickel boasting a melting point of nearly 1300 degrees Celsius. It exhibits excellent thermal strength, performing admirably within a plastic deformation range of 800 degrees Celsius, with a bending strength reaching 90 degrees Celsius. It also possesses superior oxidation and corrosion resistance, withstanding media temperatures up to 900 degrees Celsius. Furthermore, GH3030 thin-walled tube is resistant to oxidizing gases, sulfides, chlorides, and other corrosive substances. This characteristic gives it a significant advantage in the chemical and petrochemical industries.

 

The characteristics of GH3030 thin-walled tube include small tolerances, high precision, a smooth surface, and the absence of sharp peeling and rolling marks. The coil material is designed to prevent "chain knife bending" and is stretched to near-ideal straight-line angles with minimal deviation. Its bent sections exhibit good cold-welding properties and are also suitable for other processing techniques such as drawing and rolling. Furthermore, GH3030 thin-walled tubes are suitable for argon arc welding, spot welding, seam welding, and brazing, making them a material with excellent weldability.

 

Specifications Of GH3030 Thin Wall Thickness Tube

Type:	Seamless
Surface Treatment:	Polished
Inner diameter:	Customized
Outer diameter:	Customized
Wall thickness：	Customized
Length:	Customized
Origin:	China
Material：	Alloy
Standard：	ASTM, AISI
Sample:	Avaliable

 

 

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

 

 

1. Excellent Strength Characteristics at High Temperatures: GH3030 thin-walled tubes exhibit good thermal strength and ductility below 800 degrees Celsius. Furthermore, they maintain their mechanical properties even at high temperatures.

2. Excellent Corrosion Resistance: GH3030 thin-walled tubes demonstrate excellent corrosion resistance even in highly corrosive environments such as oxidizing atmospheres, sulfide environments, and chloride environments. Therefore, GH3030 thin-walled tubes are widely used in chemical and petrochemical industries due to their superior performance. Their long-term stability also makes them suitable for long-term operation.

3. Excellent Surface Finish: GH3030 thin-walled tubes have extremely high dimensional accuracy and a smooth, delicate surface free from defects such as peeling and rolling marks. Slight deviations in the coil during straightening indicate that vertical rolling is an ideal choice.

 

Gnee Steel provides four surface treatments for High-temperature alloy GH3030 seamless nickel alloy tube: pickling, mirror polishing, polishing, and sandblasting.

 

Gnee Steel provides the following heat treatments for High-temperature alloy GH3030 seamless nickel alloy tube: annealing, solution + aging. In addition, Gnee Steel also provides hot working and cold working, which are hot rolling and cold drawing.

 

In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.

 

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