GH3030 High-Temperature Alloy Coil (Ni-Cr-Fe Alloy)| Superior High-Temperature Stability & Formability

✓ Oxidation Resistance: Forms a stable Cr₂O₃ oxide layer at 1000°C (1832°F), reducing scaling by 90% vs. 310S stainless steel.

✓ Thermal Fatigue Mastery: Withstands 10,000+ thermal cycles between 20°C–950°C (68°F–1742°F) without cracking.

✓ Precision Cold Rolling: Tight **±0.02mm thickness tolerance** with Ra ≤0.8μm surface finish for seamless stamping and deep drawing.

✓ Weldability: Low carbon content (<0.08%) minimizes carbide precipitation; ER310 filler recommended for arc welding.

GH3030 High-Temperature Alloy Coil (Ni-Cr-Fe Alloy)

Engineered for extreme aerospace, industrial furnace, and power generation applications, GH3030 high-temperature alloy coil combines a nickel-chromium-iron matrix (Ni-76%, Cr-20%, Fe-1.5%) to deliver exceptional oxidation resistance, thermal fatigue strength, and creep resistance up to 1000°C (1832°F). Certified to GB/T 14992, AMS 5542, and ASTM B168, this alloy outperforms conventional stainless steels like 310S and 321, offering 3x the lifespan in cyclic high-temperature environments while enabling precision forming for complex components.

Thickness: 0.5mm–12mm (cold-rolled) / 3mm–25mm (hot-rolled)
Width: 300mm–2000mm (slitting tolerance ±0.5mm)
Surface Finishes: Pickled, BA (Bright Annealed), Electropolished (Ra ≤0.4μm)
Mechanical Properties (Room Temp): Yield Strength ≥250 MPa | Tensile Strength ≥600 MPa | Elongation ≥35% | Hardness ≤200 HBW

Parameter Category	Value/Description
Material Standard	GB/T 14992 (China), GB/T 14995 (Coil)
Chemical Composition (%)	Ni ≥75, Cr 19–22, Fe ≤1.5, Ti 0.15–0.35, Al ≤0.15, C ≤0.08, Mn ≤0.40, Si ≤0.80, S ≤0.015, P ≤0.015
Tensile Strength (MPa)	≥685 (Annealed)
Yield Strength (MPa)	≥295 (Annealed)
Elongation (%)	≥30 (in 50mm gauge length)
High-Temperature Strength	– 800°C: Tensile Strength ≥245 MPa – 800°C: 100h Creep Rupture Strength ≥78 MPa
Hardness	Brinell (HBW): ≤200
Density (g/cm³)	8.4
Melting Range (°C)	1400–1450
Thermal Conductivity (W/m·K)	14.2 (at 20°C)
Thermal Expansion (10⁻⁶/°C)	16.5 (20–800°C)
Electrical Resistivity (Ω·m)	1.12 × 10⁻⁶ (at 20°C)
Elastic Modulus (GPa)	210
Oxidation Resistance	Excellent oxidation resistance up to 1000°C in air. Stable in continuous high-temperature service.
Corrosion Resistance	Resists carburization, sulfidation, and chlorine-containing environments at high temperatures.
Heat Treatment	Solution Treatment: 1050–1100°C followed by rapid cooling (air or water).
Surface Finishes	Cold-rolled bright annealed (BA), Pickled & Passivated, Polished (Ra ≤0.6μm).
Coil Dimensions	– Thickness: 0.5mm–6.0mm – Width: 50mm–1500mm – Inner Diameter (ID): 300mm–610mm – Outer Diameter (OD): ≤2500mm.
Key Applications	Aerospace engine components, industrial furnace parts, heat exchanger fins, high-temperature springs, and chemical processing equipment.

GH3030 High-Temperature Alloy Coil (Ni-Cr-Fe Alloy) Applications

Industry	Critical Use Cases	GH3030 Coil Advantage
Aerospace	Jet engine combustion liners, exhaust ducts	0.01mm oxidation depth after 500h at 1000°C (1832°F).
Power Generation	Gas turbine blades, heat exchanger plates	Resists thermal fatigue in 20°C–950°C cycles with zero deformation.
Industrial Furnace	Radiant tubes, annealing trays	Withstands continuous operation at 950°C (1742°F).
Chemical Processing	Pyrolysis reactor liners, burner components	Immune to HCl vapors at 800°C (1472°F).

GH3030 High-Temperature Alloy Coil (Ni-Cr-Fe Alloy) Product Packaging

GH3030 High-Temperature Alloy Coil (Ni-Cr-Fe Alloy) are engineered for applications in jet engines, gas turbines, and industrial furnaces (operating up to 1,200°C). To preserve their metallurgical integrity and dimensional stability during transit, we deploy aerospace-certified packaging systems and thermal-controlled logistics adhering to AMS 5599, NACE MR0175, and ISO 9328-2 standards.

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