1.Premium Alloy Composition: This high-performance tube is manufactured using premium GH2036/GH36 nickel alloy steel, ensuring exceptional strength and heat resistance up to 1000°C, meeting the demanding requirements of high-temperature applications.
2.Precision Engineering: Our seamless tubes are produced with advanced precision manufacturing techniques, offering superior dimensional accuracy with outer diameter tolerance of ±0.1mm and wall thickness tolerance of ±5%, ensuring perfect fit for critical applications.
3.Comprehensive Certification: The product complies with multiple international standards including ASTM, ASME, DIN, and EN, and is certified with ISO 9001, PED, and TUV, guaranteeing global quality compliance and reliability.
4.Versatile Industrial Applications: Specifically designed for extreme environments, these tubes are widely used in aerospace components, gas turbine engines, nuclear reactors, petrochemical processing, and high-temperature furnace construction, providing reliable solutions for critical industrial processes.
5.Cost-Effective Solution: Priced competitively at $25.80 per meter, we offer premium quality nickel alloy tubes with minimum order quantities starting from 100kg, providing excellent value for high-performance applications.
6.Customized Specifications: Available in various sizes ranging from 6mm to 250mm in diameter, with wall thickness from 0.5mm to 20mm, and customized lengths up to 15 meters, we provide tailored solutions to meet specific project requirements.



High-Temperature Super Alloy Chemical Composition (wt.%)
Alloy | C | Mn | Fe | P | S | Si | Cu | Ni | Co | Al | Ti | Cr | Nb+Ta | Mo | W | Others |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
GH1140 | ≤0.08 | ≤0.50 | Balance | ≤0.015 | ≤0.015 | ≤0.50 | ≤0.20 | 35.0-40.0 | - | 0.20-0.60 | 0.70-1.20 | 19.0-23.0 | - | 2.50-3.50 | - | - |
GH3033 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |
GH1105 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |
GH3030 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |
GH3044 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |
GH3128 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |
GH4033 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |
GH4169 | ≤0.08 | ≤0.35 | Balance | ≤0.015 | ≤0.015 | ≤0.35 | ≤0.30 | 50.0-55.0 | ≤1.0 | 0.20-0.80 | 0.65-1.15 | 17.0-21.0 | - | 2.8-3.3 | - | - |
GH4738 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |
GH5188 | ≤0.08 | ≤0.50 | ≤1.50 | ≤0.015 | ≤0.015 | ≤0.80 | ≤0.20 | Balance | - | 0.30-0.70 | 0.30-0.70 | 19.0-22.0 | - | 2.00-3.00 | - | - |




Q1: What product information do I need to provide?
A1: You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
A2: Delivery time of stock products: 3-7 days after payment. Custom product delivery time: 20-45 days after payment.
Q3: Can I have a sample for testing?
A3: The cost of the samples is according to the value. The cost of the freight is necessary.
Q4: Do you have inspection for the products before packing?
A4: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.and accept the third party inspection .
Q5: Can I get your best price?
A5: Price is different based on steel grade, size and quantity.Our goal is to provide you the best price with great quality
assured in a long run.Please leave your contact information for the includes production.we will get back to you with the best solutions as soon as we can.Please give those info, for price checking.If the required is sheet metal fabrication, please send drawing.
Q6:How to order?
A6: Buyer sends the inquiry --> Buyer gets the quotation-->Order confirmation-->Buyer send the deposit-->Seller prepares
Q7:what kind of payment does your company support?
A7: T/T, L/C at sight, are all accepted.