Nickel-based alloy steel ASTM A312 GH3030 pipe
Nickel-based alloy steel ASTM A312 GH3030 pipe
ASTM A312 GH3030 is a nickel-based alloy steel tube renowned for its excellent high-temperature strength, resistance to thermal fatigue, and oxidation resistance, suitable for applications up to 800°C. It also possesses good plasticity, weldability, and cold-stamping properties. This material is widely used in harsh environments such as aircraft engine components, chemical processing, and the nuclear industry, typically for components requiring high-temperature strength and corrosion resistance.
What are high-temperature alloys?
High-temperature materials are substances that maintain stability and excellent mechanical properties at high temperatures (typically exceeding 2300 K), making them suitable for thermoelectric applications where other materials might not be able to maintain stability.
GH3030 alloy is a nickel-chromium based solid solution strengthened wrought superalloy with an operating temperature below 800℃. This alloy possesses good hot strength, plasticity, resistance to thermal fatigue and oxidation, as well as good cold stamping and welding properties. After solution treatment, the alloy microstructure transforms into single-phase austenite, maintaining stability during use. It is mainly used for turbine engine combustor components operating at temperatures below 800℃, and high-temperature components operating at temperatures below 1100℃ but requiring oxidation resistance and bearing relatively low loads. Main products include cold-rolled sheets, bars, rings, wires, and tubes. GH3030 alloy has been used in the manufacture of aero-engine combustors, afterburners, and casing mounting edges. GH3030 alloy exhibits excellent weldability and can be welded using argon arc welding, spot welding, seam welding, or brazing. If the solution treatment temperature is low during production, residual carbides may remain, forming old grain boundaries.
GH3030 is a high-temperature alloy, belonging to the nickel-based superalloy category. It is also known as Alloy 3030 or Inconel 3030. The main components of this alloy are nickel (approximately 55%), chromium (approximately 19%), and iron (approximately 18%), with trace amounts of other elements such as cobalt, molybdenum, and aluminum.
GH3030 exhibits excellent high-temperature strength, oxidation resistance, and creep resistance, making it suitable for applications in extreme environments. It is particularly suitable for industries such as aerospace, gas turbines, chemicals, and nuclear reactors. This alloy retains its mechanical properties at high temperatures and exhibits good corrosion resistance in a variety of corrosive media.
ASTM A312 GH3030 pipe Chemical Composition:
| C | Cr | Ni | Ti | Al | Fe | Mn | Si | P | S |
| ≤0.12 | 19.0～22.0 | margin | 0.15～0.35 | ≤0.15 | ≤1.5 | ≤0.7 | ≤0.8 | ≤0.03 | ≤0.02 |
ASTM A312 GH3030 pipe Thermal performance:
| θ/℃ | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 |
| λ/(W/(m·C)) | 15.1 | 16.3 | 18 | 19.3 | 20.9 | 22.2 | 23.4 | 25.1 | 26.4 |
ASTM A312 GH3030 pipe Specific Heat:
| θ/℃ | 150 | 200 | 300 | 400 | 500 | 600 |
| c/(J/(kg.K)) | 565.2 | 598.7 | 674.1 | 741.1 | 820.6 | 971.3 |
Why Choose Gnee Nickel Alloy (Supplier Example)?
✅ Large stock of GH 3030 stainless steel strip/coil, fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), Chemical Composition Certificate, and Mechanical Properties Certificate.
✅ Value-added services: Slitting, cutting, polishing, surface treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export-required documentation.
Email: ss@gneemetal.com
Gnee Steel is a professional manufacturer of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy industries, and we can provide customized alloy material solutions according to customer needs. For alloy material price inquiries or to request customized alloy material solutions, please feel free to contact us at ss@gneemetal.com for a quote.
