Looking for durable piping for high-temperature industrial furnaces? Standard stainless steel piping often underperforms at temperatures exceeding 700°C, prone to deformation, scaling, and costly downtime.
We supply industrial-grade GH3030 nickel alloy piping designed to withstand continuous thermal cycling without deformation. As a professional manufacturer, Gnee Steel provides heavy-duty piping solutions, ensuring industrial-grade durability even in the harshest high-temperature environments.
Get a Price List for Industrial GH3030 Pipes
GH3030 nickel alloy seamless steel pipe for industrial use in high-temperature environments
GH3030 nickel alloy seamless steel pipe for industrial use in high-temperature environments
GH3030 tubing is a nickel-based solid solution strengthened high-temperature alloy tube (containing approximately 80% nickel and 20% chromium), designed for superior performance in high-temperature industrial environments. GH3030 seamless steel tubing is widely used in applications requiring high oxidation resistance, thermal stability, and good mechanical properties, with an operating temperature range from 800°C to 1100°C.
What is NIMONIC 75 material?
NIMONIC 75 alloy is an 80/20 nickel-chromium alloy with added titanium and carbon. This alloy was originally introduced in the 1940s for the manufacture of turbine blades. It is easy to machine and weld, and possesses good corrosion resistance, mechanical properties, and heat resistance.
| CHEMICAL COMPOSITION OF High Temperature Gh3030 Tube : |
| Grade | C | Mn | Si | S | Ti | Fe | Ni | Cr | P | Al |
| GH3030 | 0.12 max | 0.70 max | 0.80 max | 0.02max | 0.15-0.35 | 1.5max | balance | 19.00 – 22.00 | 0.03 | 0.15 |
Click to download the GH3030 alloy PDF file now
Mechanical Properties of GH3030 High-Temperature Alloy Tube
| Mechanical Property | Typical Value / Range | Test Condition / Remarks |
|---|---|---|
| Tensile Strength, Ultimate (Room Temp) | ≥ 685 MPa | Common standard requirement |
| Tensile Strength, Yield (0.2% Offset) (Room Temp) | ≥ 295 MPa | |
| Elongation at Break (Room Temp) | ≥ 30% | Usually gauge length 5d |
| Reduction of Area | ≥ 50% | Typical value |
| Hardness (HBW) | ≤ 200 | Solution treated condition |
| Modulus of Elasticity (Young's Modulus, at 20°C) | 210 – 224 GPa | Common design value ~210 GPa |
GH3030 Nickel-Based Alloy Pipe Characteristics
In many industrial sectors, GH3030 is often mistakenly considered a "nickel-based steel," but it is actually a high-performance nickel-based high-temperature alloy. Unlike ordinary heat-resistant steel, GH3030's high nickel content (>75%) gives it the following advantages:
Excellent thermal stability: Maintains mechanical strength at continuous temperatures up to 800°C.
Oxidation resistance: Forms a robust protective layer, preventing metal loss in oxidizing atmospheres.
Structural integrity: Resists creep and deformation during rapid heating and cooling cycles.
GH3030 Seamless Steel Tubes for High-Temperature Industrial Applications
GH3030 seamless steel tubes are widely used in industries requiring high corrosion resistance and heat resistance:
Aerospace: Jet engine combustors, afterburners, and high-temperature casing mounting edges.
Petrochemicals: High-temperature furnace tubes, heat exchangers, reactors, and catalyst supports.
Power Generation: Nuclear fuel elements and steam generator components.
Industrial Furnaces: Heat treatment equipment components, burner and radiator components.
GH3030 Pipe Specifications and Custom Sizes
We understand that industrial projects often require special dimensions. Therefore, we offer custom size services to meet your specific drawing requirements.
Manufacturing Types: Seamless pipe (for high pressure) and welded pipe (for structural applications).
Outer Diameter (OD): 6mm to 426mm.
Wall Thickness (WT): 0.5mm to 30mm (5S to XXS grades).
Length: Standard length 6m or custom cut sizes available upon request.
Surface Finish: Pickling, annealing, or polishing are available depending on application requirements.
Advantages of sourcing GH3030 pipe from Gnee Steel
As a direct supplier to the global high-temperature industry, Gnee Steel offers more than just metal; we offer competitive advantages:
✅️Wholesale Pricing: Enjoy factory-direct pricing, with significant discounts for bulk orders.
✅️Industrial-Grade Durability: Every pipe undergoes pressure, chemical purity, and dimensional accuracy testing.
✅️Fast Delivery: We maintain a large inventory of standard sizes, ensuring fast global shipping and shortening your project timelines.
✅️Traceability: Every shipment comes with a complete 3.1 Factory Test Certificate (MTC).
Gnee Steel GH3030 Certificate
📦 Packaging and Shipping
All Nickel Based Alloy products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
Gnee Steel GH3030 Product Packing
Contact us for the latest export price quote for GH3030 Alloy
FAQ
Q1: What is the advantage of GH3030 over 310S (2520) in furnace applications?
A: While 310S is a popular heat-resistant stainless steel, GH3030 has a significantly higher nickel content. This allows GH3030 to perform much better in oxidizing environments above 800°C, where 310S might begin to scale and lose its structural integrity. GH3030 is a "step up" for more critical thermal zones.
Q2: Can these pipes be used in chemical reactors?
A: Yes. GH3030 nickel alloy pipes offer excellent resistance to various high-temperature corrosive media, making them ideal for petrochemical reactors and heat exchangers.
Q3: Do you provide bending or fabrication services for GH3030 pipes?
A: Absolutely. We offer Custom Fabrication, including precision bending, welding of flanges, and threading to ensure the pipes are ready for immediate installation upon arrival.
